IRC-SP-53-2010

t R CS t ' 5 3 - 2 0 1 0 ON GUIDELINES BITUMEN USE OF MODIFIED IN ROAD CONSTRUCTION (sEcoND REVISION) bY Published INDIANROADSCONGRESS KamaKotiMarg, 6, Sector R.K.Puram, New Delhi- 11A022 NOVEMBER 2O1O Price Rs. 300/(Packing& Postage Extra) t R CS P 5 3 - 2 0 1 0 CONTENTS P a g cN o commtttee & P e r s o n n eo f H i g h w a y sS p e c r f i c a t r o n sS t a n d a r d s l 1 2 3 4. 5 6 7 u Introd ction ScoPe /i\ +n /ii\ 1 a 1 ^ B o Advantages f Modified itumen s G e n e r a lR e q u r r e m e n to f M o d i f t e r s T y p e o f B i t u m e nM o d i f r e r s of A p P l r c a t r o n s M o d i f e dB i t u m e n Manufacturrng 1 4 4 5 6 O BspecrficationRequrrementsforModifiedBitumen I 10 11 12 T r an s P o r t a t l o n D e s r g no f l / t t x e s ConstructtonOPeratton B o Modified rtumen r A Q u a l r t y s s u r a n c e n S t o r a g ea n d H a n d l i n g f a n d M r x e sa t S t t e a SamPlrng nd Crtterta B n v 10 11 12 1? 13 M n f A n n e x - 1: M e t h o do r D e t e r m r n a t i o f C o m p l e x o d u l u s y c f A n n e x - 2: M e t h o d o r E l a s t r R e c o v e rTest T f A n n e x - 3: M e t h o d o r S e p a r a t r o ne s t B o A n n e x - 4 : T o r s i o nR e c o v e r y f M o d i f t e d r n d e r s 1B 20 22 C h r e& B ) n d h r aP r a d e s hH y d e r a b a d (R f A . A d d l . N a t i o n a l i g h w a y s A u t h o ro f I n d r a ) Member H rty N e wD e l h r F n g r n e e r .D i r e c t oG e n e r a lM i n i s t r y f R o a d r . . e wD e l h i & N C h i e f n g i n e e(rR )S & R .i n .3. l l T R o o r k e eR o o r k e e . (Co-Convcnor) K a n d a s a mC y (Membcr-Secrctary) D i r e c t oG e n e r a(l R D )& S p l S e c r e t a r y . P r i n c r p a l e c r e t a rty t h e G o v t o f G u j a r a tR & B D e p t t S o .e wD e l h i N C h i e fE n g i n e e r i n i s t r y f R o a dT r a n s p o r& M o t H i g h w a y s e wD e l h i N (R C h i e fE n g i n e e r . Sinha A K 11 1) 4a 4. t3 lo N a v iM u m b a r C h r e f x e c u t i v e R K a d i y a l& A s s o c i a t e s . ) C h i e f n g i n e e(rN H ) s s a m G u w a h a t r E A . & Centreof Transoortation E n g g. E n g r n e e r . e w D e l h r E L r N D r r e c t o r r o l e c t s . Kumar Mahesh B o n g i r w a rP L .n i s t ro f R u r a D e v e l o p m e n t ) M y l N e wD e l h r Professor Coordinator.K S i v a B a s u .N e w D e l h r Chief ngrneer etd . Gandhinagar C h i e f n g i n e e(rN H ) G o v t o f O r i s s aB h u b a n e s h w a r E .2 0 1 0 ) S r n h aA V . (Convcnor) P u r rS K . Chief l. Jain Dr S S 4n R e d d y .IRC:SP 3-2010 5 PERSONNEL F THEHIGHWAYS PECIFICATIONS D O AN STANDARDS OMMITTEE C ( A s o n 1 ' t M a y . e t d) . .M i n i s t ro f R o a d E y Transport Hrghways ewDelhi & N Members Datta.4 la. o T r a n s p o r t H i g h w a y s .P W D .l lN)a t i o n a l u r a l o a d s (P l . i n i s t r y f r M o R o a dT r a n s p o r t H i g h w a y sN e w D e l h i & . K a d r y a lD r L R i Katare P K E x e c u t r vD r r e c t o C o n s u l t i nE n g g S e r v i c e sl ) e r g ( P v t L t d . CIDCO. shok A K u m a r .S B Bordolor C A R a t h o r eS S PradhanB C Prasad D N Kumar.M u m b a i r C h i e fE n g i n e e ( N H ) .K a m l e s h K r r s h n aP r a b h a t P a t a n k a rV L . 1l) ')4 22 .C h i e fr y a n a W D Ha P A d v r s oL & T . . r n r s t ro f R o a dT r a n s p o r& f M y t H r g h w a y s .L u c k n o w r (i) 47 to tv.r n . C h i e f n g i n e e(rR e t d M o R T & HN e wD e l h i E . K P 5 6 7 B G u p t aK K S i n h aS .U P .l5nnrietrnn Fnnino^. M i n i s t r y f R o a dT r a n s p o r t o & H i g h w a y s . C h i e f n g i n e e(rN H ) . e wD e l h i N ( T e c h . C D . Haryana WD E (R P ) Addl. R R D e v e l o p m e n t A g e n(c y i.P a t n a E R C h r e E n g i n e e r . P r e s i d e n tt n d u s t a C o n s t n C o L t d . D M Agaruual K B o r g eV B . )M a h a r a s h t rP W D 'M u m b a t y (ii) . F o r m e r e m b e rM a h a r a s h t rP u b l r c e r v t c e Mumoai Commisston I C l E x .a n g a l o r e l C o n s u l t a nR u n w a C e n t r e M u m b a i t P E n g i n e e r . W ( R ) K o l k a t a f P . ) D i r e c t o(rG e n e r a lR D & S p l . . S h u k l aR S . N .C hae fd S e c r e t a r y . S R a l u D r G . ) .n g i n e e r .N e w D e l h t ( G D r r e c t o r e n e r a R D )& A S ( R e t d) . 40. D rC E G M Khattar. G D r r e c t o r e n e r a(l R D )& S S ( R e t d) .P a r w e z G a n g o p a d h y aD r .S c r e n t i s te n t r aR o a dR e s e a r c hn s t t t u t e N e wD e l h i I C l E x -S c r e n t r s t e n t r aR o a dR e s e a r c hn s t i t u t e . S i n h aV K . (P E C h i e f n g r n e e r l g) Representattve Corresponding Members 1 Z A J u s t o . E m e r i t u s e l l o wB a n g a l o r U n i v e r s i t y . W D ) A Mizoram izawl l o ( S i n h aA . a t i o n aR u r a lR o a d sD e v e l o p m e n t )e ( M r n i s t ro f R u r a lD e v e l o p m e n tN . N e wD e l h i P C h r e E n g i n e e(rR e t d) H a r y a n a W D . N e wD e l h i N C R R ( l n d o r i a . M o R T & H . VS A l a m . a ) S e c r e t a r ( R o a d s ( R e t d .S 35 37 JY. N I l D r r e c t o C e n t r aR o a dR e s e a r c hn s t i t u t e e w D e l h t r.i n . D C h a n d r a s e k h a rr B P S r n g hB . B e F . C h r e E n g i n e e(rR & B )A n d h r a r a d e s hH y d e r a b a d f . .S e c r e t a r Y S e c r e t a rG e n e r a l y P in ( L i a n s a n g aE. Jtt S r n g hN r r m a l . i)r 53-2010 S h a r m aS C D Sharma r V lV GuptaD P M o m r nS S R e d d y[ ) r T S . Y. M o R T & HN e w D e l h t & o M i n i s t r y f R o a dT r a n s p o r t H i g h w a y sN e w D e l h t N R l D i r e c t oG e n e r aB o r d e r o a d s . M l L . P ) l n d i a n o a d s o n g r e s s ' e wD e l h i 23 24 ?_5 26 7i . JarnN. M o R T & H ' N e wD e l h t S a M .C h(i Rfe t d) .l N e wD e l h t Al C o n s u l t a n t . V . w D e l h t y Agency oy H ( M e m b e r T e c h .i n . G D r r e c t o r e n e r a(l R D )& A S ( R e t c)J M o R f & l . e w D e l h i r EX-Officio Members P r e s i d e nItR C . H a r y a n a W D e . JarnR K . )M i n i s t r y f R o a dT r a n s p o r& H i g h w a y s ' . H n V i c e .28 29 JZ 5t+. )N a t r o n a l i g h w a y s A u t h o r i t f I n d i a N e wD e l h i (N P C h r eE n g r n e e r H ) . S Nashkar. M o R T & H Delhi New D i r e c t oG e n e r a(l R D )& S S ( R e t d) . r N e wD e l h i E C h r e f n g i n e e(rR e t d) .S o n e p a t f (T N l D r r e c t o r e c h .IKL. C .D r .R S . G .g r o u p n d e rt h e C h a i r m a n s h o f S h r i S .S u n i l N i r m a lS K . Ashok W asson.R a j e s h u m a r JarnDr S.S . Members C Basu.T y a g a n d S h r iS K .g r o u T . eP e r s o n n e lf F l e x i b lP a v e m e n t C o m m i t t e( H 2 )a s o n 2 4 A p r i l '2 0 1 0a r e a s f o l l o w s e S i n h aA V D B o s e .M O R T H ) Ge . P a n d e yR . r D a s . .Secr etar y Corresponding Members C Bh a tta ch a rya . handan C B h a n w a l a . (Rep of DGBR) Convenor Co-Convenor Member . B.2 0 1 0 1 INTRODUCTION e t e o M t D u r i n gh e S e c o n d e e t i n g f F l e x i b l P a v e m e nC o m m i t t e( H . S a r m aS . VS i n h a x p r e s s etd e u r g e n c y f r e v i s i o n ip u an o f I R C : S p : 5 3 . R . B o n g i r w aP.B . . C . P) R J u s t o D r . Dr Yadav.C .K. h e H -2 C o mmi ttee itsfifthm eeting e o p d ph t h er e v i s e d o c u m e n t r e s e n t eb yt h eS u b . J a i n . 'Director G e n e r a(l R D ) & S S .S i v a r a m . C ' S h a r m a t l i c o n s i s t i no f D r . (lndoria. C Do n g re D r.C h a m a n N i g a m D r . K . N t r m aw a s f o r m e d o r e v i s e g appr ov ed heldon 24 Apr il. i. .O O gh e C o n v e n oS h r i A . o l . i K a n d h a lP r o f P r i t h vS i n g h Katar e P. J a r n D r . Tyagi. r t r 0 5 S e p t e m b e2 .2 )h e l do n 1.R a .S u n i lB o s e . P a c h a u rD . . K r i s h n aP r a b h a t ..2 0 0 2 d a S u b .V. K .I R CS P : 5 3 .M . .D r A n t m e s h Dushaka anlal V G a j r i aM a j G e n K T . .1 o h e .l Ex-Officio Members P r e s i d e nItR C .R K K J a i n .2010 in T t h e d o c u me n t. K . K . L . E . S h a r m aS . Se cre ta ry n e ra lIR C (Liansanga) ( S i n h aA V ) . .R.S. L a l . B S a r m a D r .K. r . K e r a l a ) h h m e e t i n g e l do n T t t t o n 2 2 M a y 2 0 1 0a p p r o v e dh e d o c u m e nw i t hs o m ec o m m e n t s . p er f o r r r r a n ca n d r s c o s t e f f e c t i v ew h e n I i f e ' c y c l e o s t i s t a k e n i n t o c o n s i d e r a t i o n . in concer n India is ver yhighandv er yl ow A . acking.t R CS P5 3 2 0 1 0 w y t d T h e r e v r s e d r a f t d o c u m e n w a s s u b s e q u e n t la p p r o v e d t t h s o m e s u g g e s t t o n s in h s an S b y t h e H i g h w a y s p c c i f i c a t r o n s d S t a n d a r d C o m m r t t e e i t s m e e t i n g e l do n n b e t 0 ' 1M a y 2 0 1 0 T h e d r a f td o c u m e nw a s a p p r o v e d y t h e E x e c u t i v C o m m i t t e ie t t s ' 1 0M a y 2 0 1 0 T h e C o u n o lr n i t s m e e t i n g e l da t M u n n a r(. s u su g F l e x i b l p a v e m e n tw i t hb i t u m i n o u s r f a c i na r e w i d e l y s e di n I n d i aT h e e 1. r r o u s s t a t e P u b l i c W o r k s D e p a r t m e n t s e v e a l e dt h a t t h e u s e o f M o d i f i e dB i t u m e n i r n c o n s t r u c t r o n / m a r n t e n a no feb i t u m i n o u sr o a d s s i g n i f i c a n t l ym p r o v et h e p a v e m e n l c c .3 m and bituminous i x esc an of that h S tu d i e s a vere vealed pr oper ties bitumen n w b e r m p r o v e d / m o d i f i e dr t h t h e i n c o r p o r a t i o o f c e r t a t na d d i t i v e so r b l e n d o f a d d i t i v e s 'Modifrers i w a n d t h e b i t u m e np r e m i x e d i t h t h e s e m o d i f i e r ss a T h e s ea d d i t r v e s r e c a l l e d ' M o d i f i e d i t u m e n " U s e o f m o d i f i e d i t u m e ni n t h e t o p l a y e r so f t h e p a v e m e n t b B . n d r v . S t a t r o nC h e n n a r R u b b e rB o a r d K e r a l a : u j a r a tE n g i n e e r i n g e s e a r c hI n s t i t u t e .2 andsigni fi c ant vehicles. k n o w na s e r s e x p e c t e dt o s i g n i f i c a n t l y n h a n c e t h e l i f e o f t h e s u r f a c t n ga n d e x t e n d t h e t r m e o { p s t h e n e x t r e n e w a l F u l l .s c a l e e r f o r m a n c e t u d i e so n o v e r l a yc a r r i e do u t b y t h e v a r t o u s o In r e s e a r c hr n s t i t u t r o n s . shoving and pothol i ng like cr o e a r l yd e ve l o p me n tf d i stress r utting. over loading tr ucks of of in h r g h ffrcn te n si ty te rms comm er cial tra i pavement for havebeenr espo ns i bl e tem of is v a r ra tro nn d a i l ya n dse a sonal per atur e the of bleeding. t in softin summ er and br ittle winter g t h e bi tu mi n o usu rfa crnte ndsto becom e s 1.a n d t C r u m b r u b b e r / r e a t e dc r u m b r u b b e rb a s e d v i r I h e s e a r e f L r r t h ed i v r d e d n t o t h r e eg r a d e sb a s e do n t h e p e n e t r a t i o n a l u e / s o f t e n t r r o o o r n tv a l u e a s r e l e v a n t f a b l h e a b o v et y p e s o f m o d i f r e d i t u m e nb r n d e r s r e r e c o m r n e n d e do r u s e i n r o a dw o r k s .4 f f o l l o w r n go u r t y p e s a) b) c) d) PMtl(P) PMtl(t-) NRMB CRMB h c P l a s t o m e r rtc e r m o p l a s t ib a s e d h c E l a s t o m e r rtc e r m o p l a s t ib a s e d r N a t u r a l u b b e ra n d S B R l a t e xb a s e d . h e d o c u m e na f t e r w b r l o co r n c o r p o r a t t n g m m e n t s f C o u n c rM e m b e r s a s a p p r o v e d y t h e C o n v e n o o f o s nS H i g h w a yS p e c i f r c a t t o& s t a n d a r dC o m m i t t efe r p r i n t i n g s . su b r t u mrn o u s rfa ci n g fa ctor whichcauses Under theseco ndi ti ons rn of co p a v e me nte mp e ra tu re n ditions somepar ts the countr y. e t l S 1 5 4 6 2 2 0 0 4c l a s s i f y h e p o l y m e ra n d r u b b e rm o d i f i e db i t u m e ni n t o t h c 1. 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ButylAcrylate Ethylene (PE). polymer to add i ti v es p a may contain blendof differ ent P ro p ri e ta ryro d ucts 5.u m br u b b e r r n a t u r a r u b b e ri n b i t u m e n ( ir polymer s/r ubber sa blendof thes es houl d or selected mo W h e nu se da s b rtu me n d r fr er g h a v eth e fo l l o w rn p ro p e rtl es: r) ii) C o m p a t i b lw i t hb t t u m e n e at t R e s r sd e g r a d a t i o n m i x i n ge m p e r a t u r e t m b i i i ) C a p a b l eo f b e i n g p r o c e s s e d y c o n v e n t i o n a l i x i n g a n d l a y i n g macnlnery temper atur e viscosity application at co i v) P ro d u ce a tr ng v) pr and application in ser v i c e p dur stor age.2 0 1 0 R S 4 G E N E R A L E Q U I R E M E N TO F M O D I F I E R S 4. modifierar egiven Table Them odi fi er s used Th f o rb itu me mo d i fi ca ti o n s. Rubber Treated Crumb or Crumb C r u mR u b b e r b R N a t u r a lu b b e r .1 t w n i B M o d i f r e d r t u m e n s o b t a i n e d r t ht h e i n c o r p o r a t i o o f s e l e c t e d h e r m o p l a s t i c l o c p o l y m e r sP l a s t o m e r oc E l a s t o m e r i c )r.r R CS P 5 3 . IRC:SP 3-2010 5 B S 6 A P P L I C A T I O NO F M O D I F I E D I T U M E N s h b w s S r n c e b i t u m r n o um r xp r e p a r e d i t hm o d i f i e d i t u m e n a s a h i g h e r t i f f n e s s a 6.2 for s cr The b fo S p e c ifi ca ti o nrp a vtn g rtu men.1 s a . quality s tem su th t o e n s urr: a tth e p ro d u cts pplied a an r.M o d i f i e db i n d e r sa r e a l s o M n u s e d f o r a p p l r c a t r o l i k e S t r e s sA b s o r b r n g e m b r a n e( S A M ) f o r s e a l i n go f c r a c k s .2 a w h e r e th e a g g re g a te s re p roneto str ippingDue to their bettercr eep r esls tanc e decksand r oundabouts br p r o p e r tre th e yca n a l sob e u sedat busyr nter secttons idge s.r'ng tankfitted . t o s n a t u r ar u b b e rc r u m br u b b e ra n d a d d r t i v es h a l lb e d o c u m e n t efd r e n s u r i n gh e i r l w c o n f o rmi ty i thth e sp e crfi ca ttons. l l t h e e q u i p m e nu s e di n c d n s ng t h e r n a n u f a c t u r r p r o c e s s h a l lb e r e g u l a r l iy s p e c t e d . r T h e m a n u f a c t u r es h a l le s t a b l r s hd o c u m e n ta n d m a i n t a i n q u a l i t y y s t e m sy The to confor m the specifr cations. n h a n c e df a t r g u el i f e . pr y ar bitum en e gener ally opr ietarand e u T h e p r o ce sse s se dto ma n u facturmodified supplier s. acceptance iter ia m odifiersuchas pol y m er .b e t t e rr e s r s t a n c t o c r e e p a n d h i g h e ri n d i r e c t e n s l l e l s t r c n g t h r t r s s u i t a b l ea s a w e a r i n gc o u r s e .a l i b r a t e a n d m a i n t a i n e d iy d l t t o e n s u r e h a t n o r m a w e a r a n d t e a r o r f a i l u r e o e s n o t c a u s ei n c o n s i s t e n cn t h e pr m a n u f a c t u n n go c e s s n B r t u m e nu s c d f o r m o d i f i c a t i o w i l l f u l l yc o m p l yw i t h l S 7 3 I n d i a nS t a n d a r d 7. t s h a l c o n s r so f p r o c e d u r e se g u l airn s p e c t i o n s dt e s t sa n d /o r a s s e s s m e n tn dt h e l p t A y t u s eo f r e s u l t so c o n t r otlh e q u a l r t o f t h e f i n i s h e d r o d u c t . i p s al t M o d r f i e b i t u m e n e r f o r m b e t t e r h a nc o n v e n t i o n b t t u m e nn s i t u a t i o n s .1 e e m o d u l u s . the during blending foaming in whichcanresult excessive of entrapment morsture In temper atur ea at digested an appr opr tate be should cur ed/ rn th T h em od rfre r to eb i tu me n for facility an optimum and agitator circulation arrangement. withheatrng . r n M A S t r e s s b s o r b r n g e m b r a n eI n t e r l a y e(rS A M I )f o r d e l a y i n g e f l e c t i o c r a c k t n gP o r o u s A s p h a l ta n d S t o n e M a t r i xA s p h a l t( S M A ) .a b r n d e rc o u r s ea n d o v e r l a ym a t e r t a o n s u r f a c c sw h r c h a r e c r a c k e d a n d s u b l e c t e dt o h e a v y t r a f f i c . i f o r r n c re a seldfeo f th e su rfa ctng 7 MANUFACTURING 7. s d r f f e r cnp ro ce sse a re u se dby var ious t witha homogenizer plant be should fitted the formrsused. d 6.The a of capable producing homogeneous shearmrllor any otherdevice likehrgh the to equipment eliminate blending special in of additron modifier latexform requires process. . blending rn lf a modrfrer powder blend. t a b l r s l r e d a s t o a v o i dc o n t a m t n a t r od u r r n gc h a n g eo f t.Z p b b e t a k e nr n t oa c c o u n tl h e v a l u eo f F r a a s s r e a k i n g o i n ts h a l lb e l e s st h a n7 d a y s n of c r n r n i r n u a t r n o s p h e rtre m p e r a t u r e t h e a t e ao r a s i n d r c a t erd T a b l e2 . i e s r r a l prri o p t : r t t r . n r b .4.3 n so e a d e s t g n e o n o p r o c e d u r e s : . [ . r y t I . l c a n i n o l s L r p p l l r n c s W h c r e l r n e sn e e d t o b e f l L r s h e d t s h o u l db e d o n e cr g w r t l ri r o tD i l t t t r t eo t f r n i : . .1 d n o I l r e r e r l u t r c r n e n tfsm o d i f r eb r t u m e a r e g l v e ni n T a b l e2 n t d o b g . e t t r m ep e r i o dt o a t t a r n h e < . . l tr A l l s u p p l yl r n e st h r o u c t h o Lh tr :p l l a n tr.aJ t i r r :b l e n c l r r r ga n t Th e s t o r a g e a n k ss h o u l dh a v em t n t m a l y to n w c n a s u r f a c e r e at o m r n r r n i zo x r d a t r oa n d e q u r p p e d i t h n l x l n g a n d c l r c u l a t i oe q u t p n r e n t bt W rt g h of c n s u r e t h e o m o g e n c r t y t h e p r o d u c t r " l u rs no r a g e h i l e n r o d i f i e d n d e r s a r e g e n e r a l l y a a e o r n a n u f a c t u r i :fd r t r n m e c j r a td r : l r v e r y . sf l f r r rm o d t f t e d r t u m e n F u l lf l e d g e dt e s t r n c . y p r o c i L t o t c .3 als m r Tor usir r g sionecover y ethod per Annexur e. o r c h e c k i n gh e e l a s t i c e c o v e r o f m o d i f i e d i n d e r F i e l dE n g i n e es h a l l 8. B S N 8 S P E C I F I C A T I OR E Q U I R E M E N TF O R M O D I F I E D I T U M E N 8.d e . h c d r o d t r c t rr D p t :r I l r r -r r .o rs n o wb o u n da r e a F r a a s s r e a k i n p o i n v a l u e s f m o d i f i e b i t u m e w i l l B.n c l u d i n go a d r n g q u i p m e n ts h a l lb e 7.n y e x t e n d e ds t o r a g em u s t b e d o c u m e n t e d n d ch L c n r o n r t o r c t o c n s u r et h a t p r o d u c t o n f o r m s ot h e s p e c r f r c a t i o n a r a c t e r t s t t c s .tftc sP 53-2010 b o .4 a t o t h c s p e g f r e dc h a r a c t e r i s t r c sr e m a r n t a i n e dW h e r e t e s t i n g i s r e q u i r e do n e a c h d b a t c h a b a t c h i s c o n s r c j e r e t o b e t h e q u a n t i t yo f b i n d e r p r o d u c e da n d s t o r e d i n o n r : r t a r r ko n c e t h e p r o d u c t r o n u n i n t o t h a t t a n k h a s b e e n c o m p l e t e d T h e b a t c h c a n b e la t t c o n s r d e r e do r e n r a r nh e s a n r ea s l o n g a s n o n e w p r o d u t c t t ch n s b e e n a d d e d . re a t e s tf o r fo rsi o n co vcry I2 5 0C v r va re T h e T orsro rra l co ve ry l u eshallnot be lessthan halfof the Elastic ecover y al ue te n a a l 1 5 ' r C s t n d r c a t ei d t h e l a b o r a t o r y s t t n g . pl t e rt f a c i l r t r se s s e n t r a l lry q u r r r . a n u f a c t u r ts h a l l e s t a b l r s h r o c e d u r e s o e n s u r e t h a t c o n f o r m a n c c ) ' 7. Max d)Elastic recoveryhalf of thread ductilometer rn al25'C. percent at?5:C. W h e r em a xt e m p e r a t u r e e x c e e d s 0 o C S o f t e n i n p o i n ts h o u l d e 6 5 o C 4 . Spnarat nn rliffornnnp rn q6ftonln^ 2 1 5B 70 3 3-6 /6 vr) viil) p o i n tR & Br)C M a x ( Viscosrty at 'l50:C Poise T h r f r l m v e ne sa n d c s t o n n o t t t s resrd ue in percent a)Loss mass. COC lr0 lVrn 22A 224 60 220 60 vr) recovcry thread Elastrc ofhalf rn '1 pcrccnt. i) t') 1245 938 1 1?49 v) v) F ashPornt. d.2 0 1 0 S T a b l c 2 P r o p e r t i e s f M o d i f i e dB i t u r n e n o Highcst lVlean Temperature < 20oC 20oC 35oC Abovc Air to 350C Lowest Mean Temp.10 -10 >-10 -10 < < >. pcrcent Min UT 3 3 5-9 '1206 (Pa11 2) x) 10 7 10 10 5 9382 IIUJ 35 35 3s 50 35 50 1203 4 C o m p l e xo d u l u s( G -s i n \ m / t a a sM i n 2 k P a t 1 0r a d / s 2 a oC attennperature 5B 70 76 1 . No. Max b)Increase point insoftening c CM a x c) Reduction inpenetration of residle. 1 m n o? 0 m 1009 s 5 (5) 60to 120 50 -24 30to50 60. A n n e x u r e lS (6) (7) IIUJ racteristics Cha S p e c i f i e d l u efs rt h eb i t u m e n va o (3) (4) 50to80 55 l0 (2 ) P e e t r a t ia ln S t C . Air SI No 1) >.*Fraass b r e a k r n p o i n tr e q u i r e m e n tr l lb e a p p l r c a b lfe r areasof subzero g w o temperatures . / s io ) asM r' 1 0 rPaat 10radls a at oC temperature.10 Method of Ref to Test. 11a t .r R C P5 3 .ci'lonrctcrat 5C nrn m (s n C o m p l e xo d u l uG . g b . heatingar r angements to and ar r angements for c t r c ul a ti o n .Inc as e b i t u me n sco si ty t d e l i ve rys not adequate pumping. tank shallbe em ptied the m i ni m um the to p r a c t rca b l e ve li n o rd e rto minimize dilution any effect the modifier on conten of the t d e l i v e r em o d i f i e d i t u m e n .h eb inder n T shallonlybe heated theapplication to tempe r atur e p r to rto u se to l i mi td e g radation modifierThe bindershouldnot be allow ed of lust to i s o l i d i fyn th e sto ra g e n k. at leaston e l oad o f h o t b i tu me n a s b e e n p u t thr ough tankerto r em ovetr acesof otherproduc ts . Vehicles ev i ous l y pr u s e dfo r d e l i ve ry f cu tb a ck o bitumen bitumen ulsion oducts or pr em shallnot be us ed f o r t h e d e l i ve ry f mo d i fi e d i tum en o b unless thor oughly cleaned.3 R e h e a ti n g f b i tu mendur ing tr anspor tation o should be avoided.enter stor age the tank belowthe bitum en surfac e to p r e v e nh o t b i t u m e n a s c a d i ntg r o u g hh e a i r t c h t W h e r e d i fi e d i tu me ns p l aced a stor age mo b i in tankpr eviously usedforstr aight tum en bi o r a d i ffe re ng ra d eo f mo d i fied t bitumen.5 S to ra g eT e mp e ra tur e and Tim e 9.2 V e h i cl e su se d fo r tr anspor tation modifiedbitumenmust have pr oper of i n s u la ti o n mi n i mi zeh e a t losses. modified bitum en mav 0e t r a n sfe rred i re ctl y tosto ra ge d rn tankswr thout eheating. d b 9. vi a i for bitumen shallbe gradual l y h e a t e d b ri n gtt to a n a p p ro pr iate to temper aturfor pumping.r R C P5 3 . e. ta O b t a ina me th o dsta te me nfr om the supplier the cor r ecthandling t as and stor age t e m p era tu re r th e mo d i fi e d itumen fo b B . h the C a r esh a l lb e ta ke nto e n su r ethattanker s whichhavenot been in use for som eti m e a r e f r e efro mco n d e n sa ti o n 9.1 Modified bitumen shallbe transported appiiedhot safety and handling and procedures are applicable hotbituminous that for materials apply modified also to bitumen 9.4 S to ra g e n ksfo r modr fied ta bitum en mustbe pr oper ly insulated.h e seve h i cl e s T shallbe enr ptied the pr evious oduct the mi ni m um of pr to p r a c ti calle ve la n d b e cl e a ro f cleaning mater ials befor eloading.1 T h e b i n d e s h a l l e s t o r e d t m i n i m u m u m p i n ge m p e r a t u r e d n o ta t t h e r b a p t an a p p l i ca ti ote mp e ra tu re .2 0 1 0 S 9 TRANSPORTATION 9. e The r ateof heati ng hal l s b e s uchth a tth e i n cre a sen temper aturof m odified i e bitumen does not exceed150C p e r h ou r Wh e reth e rers o n l y a smalllossin tem per atur e. cir Retur nlinesi n a r e c t r cu l a ti o n syste msh o u l dre. r 9. haveh eati ng a n d a gi ta ti n g /e ffe cti ve l ation ci rcu facilities ensur ehomogeneity cir cula ti on to For the i n l e ts h o u l db e cl o seto b o ttomat one end of stor age tank and ouiletnear the top a t a n o th e r n d o f th e sto ra ge e tank to ensur eeffective culation.g.5. t R CS P 5 3 .Dur ing ehea ti ng.5.5 kg/mm 3) lVarshall Quotrent in mix 4 ) Vordscompacted % 5\ 3050 BC -Gradtngl. at lMinrmum % with 7 ) Coatrng aggregate 6) 90 95 q 95 95 100 100 MS2 AASHTO 182 T .4 7 % Grading 2 5 2o/" lVodified Brnder content of byweight Mix -* Minimum D B t \ l.540/o G r a d r n2 . Mrnrmum Flow 2) IVarshall at 60"C mm 1Xq0 12kN 10kN 't2kN M S: 2 M S2 : .5 6 4 / o g S D B C G r a d r n g l.2 g g r T h e fo l l o w i n T a b l e i vesgur danceegar ding storagetemperatureand time: I p m n A r 2 t rr r p f n r Holding at Trme Binder Temperature Medium-Time "C atpoint mixingMixing Temperature Medium-Time Storage of Period Modif Brnder ed lmax) Sioraop Pprind /'C\ from Blended . No.0 . 1O DESIGN F MIXES O graded Themixdesign dense for bituminous mixes 10. Reouirement Properties H o tC l i m a t e C o l dC l i m a t e High Rainfall Method Test of (75 1 ) [/arshall Stabiiity at blows) 60"C kg.4 3 o / a Grading -47To 2 of Req uirementretained after stability 24hours inwater 60'C %. .The requrrementsmixes withmodified of bitumen indicated Table3. s u r f a c eemp e ra tu ref th eh e a ti ng t r mu a to t h e p r o d u ct stb e a g i ta te d n d r ecir culated ensur ehomogeneity. Design are in T a b l e3 R e q u i r e m e n t s f M i x P r e p a r e d i t h M o d i f i e dB i t u m e n o w sl.Flow Stabrlity 35-50 Z5U5UU 4 3.2 0 1 0 9.1 using modified bitumen shall in the samemanner usedfor conventional as bitumen Marshall be done by Method Mix of (MS2).G r a d i n g l .Snecrfred modifiers 170-1 85 4 days 130 40 1 1 4d a y s i to at e W h e nm o d i fi e d i tu me ns re q u i red be stor ed a temper aturlessthan 100' Cor at b th sh and a m b r e n t e n re h e a ti n g o u l db e donegr adually the hot oil inlettemper aturor e elements mustnotexceed o 200' C. b i t u m e n o n t e n c a n b e r e d u c e d r o p o r t i o n a t e lF u r t h e r o r f t s r e g r o n w h e r eh i g h e sd a i l ym e a na i rt e m p e r a t u rre 3 0 ' ) C r l o w e ra n d l o w e s d a r l y e a n s o t m . w o c n s u re e tti n g f th e ro l l e r T h e t e m p e r a t u ro f m i x i n g n d r o l l i n g h a l lb e h i g h e rt h a n c o n v e n t i o n a l e a s 11. o 4A IU . l te rn a te l y. ' 1 1 1 . 1 ts * * C o r r e s p o n d s s p e c i f i c r a v i t y f t h eA g g r e g a t e e i n g 2 .I R CS P : 5 3 . Ther eshouldbe at least2 v i br ator y c o n stru cti oo f ro a d sw i th modified n o r placed c l os e r o l l e rs. 11. G r a d i n g & 2 c o r r e s p o n do l R C . is The pr oper ties densegr adedbitum i nous a t m o sp h e rite mp e ra tu re above c of w bitumen shallbe in compliance m i x esp re p a re d i th mo d i fied with the r equ i r em ents g i v e ni n T a b l e3 .The quantity waterusedshould enough of be to wheelsbut excess watershouldnot be usedat any c os t.3 bi gr ade bitum enexceptthose for any s pec i al a r e sa me a s th o se fo r co nventional of w c o n d i ti o n s.2 mi at b i t u m i n o u s xe s. 7 I n c a s ea g g r e g a t h a v e g to o b e spem c t p y c i f i cg r a v i t y o r et h a n2 7 . h i ch th e ma n ufactur er modifiedbitum enwill indicatein tec hni c al l i t e r atu ref p ro d u ct. Requir em ents Modified 4 of T a b l e B ro a dR a n g e Temper atur e for Binde r s of Stage Work B i n d e rtm i x i n g a Aggregates temperature planl N/ix mixing at srte Mix laying at site Roiling laying at Indicated ('C) Temperature 165-1 85 165-185 150-170 130-1 60 ilJ-tJ3 for itemsof r oadwor ksusingmodified tum en T h e sp e ci fi ca ti o ns var ious 11. T h e e xa ctte mp e ratur es us a o a n ds h a l lb e a d o p t e d s p e r a d v i c e f s u p p l i e r .1 IR C o r MOR T H Specifications and Guidelines shall be applic abl e for bitum en.n e V i b rator yoller a and one Pneum atic e r oller tyr as .2 0 1 0 . s o c t a i r t e m p e r a t u ri e d 0 5 percent 1 1 C O N S T R U C T I OO P E R A T I O N N T h e h o t mi x co n stru cti o u s ingmodified n bitumenshouldbe car r iedout w hen the ' 15"C.1 0 0 C r l o w e r t h e b i t u m e n o n t e n m a y b e i n c r e a s e b y a s m u c ha s . of t o t he p a ve ra s p o ssi b l eth i swill r educecooling the m ix and shallensurepr oper c o m p a cti ow i th i n e sti p u l ated n th time.T h e b ro ad r angeof temper atur e differ ent stagesis gi v en i n dependuponthe typeand amountof modi fi er ed T a b le4 . e in re y m a c a da m sp e cti ve lo r a s i n dicated technical O A I A 1 2 Q U A L I T Y S S U R A N C EN S T O R A G E N D H A N D L I N G F A A M O D I F I E DB I T U M E N N D M I X E S T S I T E p a o T h e m a r n o b l e c t r v e f t h e q u a l i t y s s u r a n c e r o c e s st s t o e n s u r et h a t 12.s c o s i t y l a s t t c e c o v e r a n d p h a s c o b s x s e p a r a t r o n I h e t e s t sf o r c o r r t p l em o d u l u s l r a l l e p r o v r d e fd r t h c s d b a t c h P e c i f r cb Yt h c e n l . h e f o l l o w r nq u a l i t y o n t r om e a s u r e a r e r e c o m m e n d e d : g t r i ) T h e s r r p p l i em u s t c o n d u c t h e n e c e s s a r ve s t s o n t h e p r o d u c t o d te on t t e n s u r o h a ti t m e e t s h e s p e c i f i c a t r r e q u i r e m e nbs f o r e t s p a t c h t n g t h ep r o d u c t th d f r b ss i i ) S a m p l c . testr ngbe r lotr e btltwcc ntht: that vrr) l t rs ri :co mrn c. o n r p l r a n c er o r o f u r t l r e u s e A l l s a m p l e s t u s tb e c l e a r l y a b c : l e d pr : t r ord o rl a w r t i r l l r r : i c v a n t c t u r lfs r e. t si d v ) S a r r p p l e sr o r r l b c t a k e nf r o r rt h c s i t es t o r a g ea n ko n a d a i l yb a s i s s n a n c it c s t e dp n o r t o a p p l i c a t i oa n d t e s t e df o r p e n e t r a t t o r to f t e n r n g rl s y s p o r n tv t s c o s l t y t o r a g e t a b i l r ta n d t o r s r o n a e c o v c r y .h a l b es a m ea s s p e c i f i erd l R C 1 1 1 11.1 o an s p r o d u c s u p p l r e d e e t st h e r e q u i r e d p e c i f i c a t i o n d t h a t t h e q u a l i t y f t h e b r n d e r t m r i d b e m a r n t a r n eu n t r lr t r s a p p l i e dF r o mt h e t i m et h e p r o d u c t s d i s p a t c h e fd o mt h c t i un t t p b l e n d i n g l a n ti t i s e x p o s e do t h e r i s ko f d e g r a d a t r o n l e s s h e b t n d e rs h a n d l e dn h b s m t t h e c o r r e cw a y T o e n s u r e h a tt h e p r o p e r t i eo f t h e a p p l i e d o d i f i e d i n d e r a v en o t t p t r s y c h a n g e d r g n r f r c a nftrl o r nt h a t o f t h e o r i g r n a l r o d u cd i s p a t c h efd o m t h e b l e n d r n g s c l p l a n t t.f h e n s s a m p l e i z es h o u l d o tt h e l e s st h a n1 k g s n r r i ) I h e r e t e n t i o s a r n p l e f o r e a c h b a t c hs h o u l db e k e p t i n t h e c t t s t o r i y t n n tr l lt h e c o m p l e t i oo f t h e p r o j e co r a s s p e c r f r ei d t i r e r of theengrnee contract o y s i v ) t h e s L r p p l i e rh o u l ds u p p l ya l a b o r a t o r c c r t t f t c a tfe r e a c h b a l t o i r t r t p i t s t a t r n gh c b r n d e r r o p c r t i e s i r i s s h o r r l d n c l u d eh e i n d r c a t r v e s t s r y n e poi l i k es c t f t r . i tj c v r ) f ) 1 6 d u crl r o t a p p l r r : d a n b e r e t u r n c ' co s t o r a g ca n d r c t e s t e d o r I n ( .4 a s e .d e n sb i t u m i n o uc o n c r e t e n d d e n s eb i t u m r n o t r s liter atur of pr oduct.t R CS P5 3 2 0 1 0 n a l m c l T h eo t h e r o n t r od u r i n g i x i n gl . r s co f i d e n t r f l c a t ta n t t r a c c a b t l t t y . : n t n g n t p e n e t r a t r ov i .:fr o u l d e t a k e n r o mt h et a n k e w h r l e i s c h a r g i n g ep r o d L r c t iT f r a o n . y i n gs.s r t e n d r e t a i n e do r f u r t h e t e s t r n gn t h e c a s eo f a d i s p u t e . r n e e r .r r cled cr :r r clatr on of c r r t i : o o r a t o r r o r s u p p l i ea n d L r s ch c f o r c o m t r e r t c e : n l e nt h e b t n d e r cs rs ay t s t r p p l yo t c J c n t r f n yv a r t z l t t o nnt e s tr e s u r l t s 11 . t f o r d e n s ea s p h a l c o n c r e t es e m i . ii) rrr) E n v i r o n m e n m a n a g e m e n tp l a n f o r t h e s t o r a g e . y v) M a n u f a c t u r eo f p r o p r i e t a r y r o d u c t ss h a l l b e r c s p o n s r b l eo p r o v i d e r p t f u l l d e t a i l st o u s e r f o r s p e c i a lp r e c a u t r o n s e e d e d f o r t h e i r p r o d r .2 0 1 0 vi i i ) P ri o rto th e c om m encem ent a contr act. b 12.s p i l l a g ea n d w a s t e t rv) M o d i f r e d i t u m e ns u p p l r e dn b u l k d r u m s o r b a g s s h a l lb e a g i t a t e d / r e b i c i r c u l a t e dn h o t c o n d i t i o n s i n qs u i t a b l e e v i c c b e f o r eu s e r o e n s u r c i u d h o m o g e n e r to f t h e p r o d u c t . to Ther eafter . full spectr um f tes ts of the o sh o u l db e co nducted the fir stbatchof the pr oduct dem ons tr ate on to th e su p p l i e r's ability complywith the specification.2 S i t e Q u a l i t yC o n t r o lP l a n T h ef ol l o w i n g u a l i ty n trotestsar e to be car r ied q co l out: . S a m p l r n ga n d c r i t e r t a o r c o n f o r r n r ts h a l l c o n f o r n it o t h e r e q u r r e r n e n tl f y o '15462 rs 2004 4a t/ . i n c l u d i n o t h e a t i n ga n d p u m p i n gr e q u i r e m e n tm u s t b e r n d i c a t e d s d i s p o s a lo f b i n d e r sa n d f l u s h i n g si s t o b e n o t i f i e da n d m e t i c u l o u s l v followed.\ T h e c o n t r a c t o r ' sp r o d u c t i o n p r o g r a m m e a n d t h e b i n d e r q u a n t i t i e s r e q u i r e d o n a d a i l y b a s i s i n c l u d i n gp r o c e d u r e sf o r o r d e r i n g p r o d u c t i n c l u d i n g i n i m u ml e a d t i m e ss h o u l db e n o t i f i e d n a d v a n c e .I R CS P : 5 3 . m i o n .s i t e b i n d e r s t o r a g er e q u i r e m e n t so m e e t t h e d e m a n d . the re sp e cti ve stsar e to be conducted an agr eedfr equenc y es s te at unl th e rei s a ch a nge thesour ce r awm ater ialbase in of ( poty m er bitum en or g ra d e ). r c ta t n s s t t eo r m a y d e p u t et h e r rt e c h n r c ap e r s o n n e lr f r c q u r r e d l premrLlmropertres p vr) M L r l t r p l h r : a t i n go f m o d r f i r : d r t u m r : n h a l l b e a v o r d e dt o r e t a r ni t s e b s 13 SAMPLING ND CRITERIA A 13. h e supplier T must also pr ovide set of cur vesshow i ng a the ch a n g e sn th e softening i pointand viscosity oper ties timefor the pr with mo d i fi e d i tu men. T h i s s t a n d a r di s a p p r o p r i a t e o r u n a g e d b f m a t e r i aa n d m a t e r i aa g e d i n t h i nf i l mo v e n o r r o l l i n g h i nf i l mo v e n ..A p a r t i c u l a t em a t e r i a l l l t s t n b i n d e ri s l i m i t e d o p a r t i c l e s i t h l o n g e s td i m e n s i o n s e s s t h a n 3 0 0 m i c r o m e t e r . a r h e r e l a s t i c .T h e c o m p l e x t r m o d u l u s a n d p h a s e a n g l e a r e u s e d t o e v a l u a t e p e r f o r m a n c ea s p e c t o f m o d i f i e d r b r t u m c n . r e c o v e riy i n s i g n i f i c a n t .) v a r i e sb e t w e e n1 0 0 P a a n d 1 0 M p a .e l a s t i c e g i o n . n r p i : r a t ulrre s i n b e t w e e n 3 5 c C a n d B 5 0 Cd e p e n d i n g u p o n g r a d e . n e o f t h e p a r a l l e lp l a t e si s o s c i l l a t e d i t h r e s p e c tt o t h e o t h e r a t p r e ./ S r n d ) o f b i n d e r su s i n ga D y n a m i cS h e a r f i i r e o r r t e t c r D S R ) a n d p a r a l l e lp l a t e t e s t g e o m e t r y .) .) m o d u l u sa n d p h a s e a n g l e ( S i n i i ) d e f i n e d . m o d u l u s t s a n i n d i c a t o ro f s t i f f n e s so r r e s i s t a n c e f b i n d e rt o d e f o r m a t i o nu n d e r l o a d o a t s p r : c i f r e t e m p e r a t u r eT h e c o m p l e x( G .T h e s t a n d a r d i s s u i t a b l ef o r u s e ( w h c n t h e c o m p l e xm o d u l u s( G . a n d p h a s e a n g l e ( S i n i i ) a r e c a l c u l a t e d s a p a r t o f t h e a o p e r a t r o n f t h e r h e o m e t e r s r n gs o f t w a r e v a r l a b l e r t ht h e e q u i p m e n t o u a w l. T h e r a n g e o f t c s t t e . t w l S i g n i f i c a n c ea n d U s e I h e t e s t t e m p e r a t u r ef o r t h i s t e s t i s r e l a t e dt o t h e t e m p e r a t u r ee x p e r i e n c e db y t h e p a v e m e n t n t h e g e o g r a p h i c a l a r e f o r w h i c ht h e u s e o f b i n d e ri s i n t e n d e dT h e s h e a r a .2 5 m m d i a m e t e ro r 2 g m n r t i r r c k n d B m m d i a m e t e ra s p r e p a r e d e t w e e np a r a l l e m e t a l p l a t e s .s e l e c t e d o w f r e q u c n c ya n d r o t a t r o n ad e f o r m a t i o n m p l i t u d e sT h e r e q u i r e da m p l i t u d e s e p e n d l a d u p o n i h e v a l t r e so f c o m p l e x s h e a r m o d u l u so f b i n d e r sb e i n g t e s t e d . s Summary of Test Method I h t s s t a n d a r dc o n t a t n s h e p r o c e d u r eu s e d t o m e a s u r et h e c o m p l e xm o d u l u s( G . P h a s e a n g l e ( S i n t \ ) o a n d G ./ S i n 5 o f m o d i f i e db i t u m i n o u s i n d e r s .) t p h a s c a n g l e ( s i n [ ) a n d s h e a r m o d u l u s( G . t h c r e s t s t : r n c eo d e f o r m a t i o no f t h e b r n d e ri n t h e v i s c o .2 0 1 0 Annex-1 (Tabte .2) M E T H O D O R D E T E R M I N A T I O NF C O M P L E X O D U L U S F O M Scope T h t s m e t h o d c o v e r s t h e d e t e r m i n a t i o n f c o m p l e xm o d u l u s ( G . . t y p e a n d e c o n d t t t o n t no f t h e t e s t s a m p l e T e s t s p e c i m e no f 1 m m t h i c k .T h e r e q u r r c d a r .i r p l t t u cde s e n du p o nt h e v a l u e so f c o m p l e x h e a rm o d u l u s f b r n d e r s e r n g e s t e d l ep s o b t f h c t c s t ' s p e c r m ein m a i n t a i n e d t t h e t e s t t e m p e r a t u r w r t h i n 0 1 0 Cb y h e a t i n g n d + s a e a c o o l r n g f u p p e ra n d l o w e rp l a t e s T h e r e c o m m e n d e dr e q u e n c y f t e s t r n g s 1 Or a d / s o f o r T h e c o m p l e xm o d u l u s ( G .) .D u r i n gt h e a l b t c s t r n q .I R CS P : 5 3 . the toadrss tr es s lf co n tro l l e d . .5 m m i n d i a m e t ea n do n e2 5 t 0 .mof thetor que specified. at test 14 c) a) . g of e ) L o a d i n g D e vice .lf the loadis str ain d contr olled loading the shallappl ya cycl i cto rq u es ufficient causean angular otational ainac c ur ate to r str to w i th i n 1 0 0micr on adian the str ain r of specified.W hen by of gas t h e a i r i s u s e da s m e d i u m s u i t a b l d r i e rm u s tb e i n c l u d e t o p r e v e n t a e d co n d e n sa tion moistur e the pr ates of on and fixtur e. d) Temperature Controller .Metaltestplates b ) T e st P l a te s withpolished face. l o a d i n o of .h e b a s ep l a t e n s o m e r r i rh e o me teirs a flatplate.10Cfor the tes t te mp e ra tu re ranging om 35 to 85oCis needed. Total system compttancto 100 e N .A temperature controller capable o f ma i n ta i ning specim entem per atur e within t 0. equenc y . 0 5m m i n d i a m e t e T. the shearstr ain. h e l o ading T device shallbe capable pr oviding of either s tr es s a co n tro l l e l o ad. co r e co n d i ti o n i nand testing the specim ens. s f) Control and Data Acquisition Sysfem . w fi xe dp l a te i tha r ange 35 to 850C eadable the near est 0C . r esistanc ther m al fr A e d e te cto r unted mo insidethe envir onm ental chamber in intimate i th . m edium heating c ool i ng e or The for and t h e s p e c i m e nn t h e e n v i r o n m e n tc h a m b e r s e i t h e r g a s o r l i q u i d i al i a th a tw i l l n o t affectbinderpr oper ties The tem per atur in the cham ber e ma y b e co n tr olled the cir culation fluidor conditioned . n a fr d e fl e cti o n n gleand tor que.1 T he d e te cto sh a llbe usedto contr ol tem per atur in the chamber r the e and p ro vi d e n tinuouseadout of the temper atur dur ingthe m ounti ng.The loading deviceshall be capableto appl y a si n u so i d ao scillator y l load to the specim enat the fr equen c y 1O of ra d /s.r R C P5 3 . w of r to 0. mt o r q u e h a l lb e < 2 m . sur one g t 0. EnvironmentalChamber-A chamber controlling testspecimen for the te mp e ra tu rby heating cooling. m l h a d e vi cea n d a contr ol and dataacquisition system .2 0 1 0 S T e s tE q u i p m e n t T h e te ste q u tp me nco mp rises t following item s: Dynamic ShearRheometerlesfsysfem-Adynamicshearrheometer c o n s i s t i n g p a r a l l e l e t a p l a t e sa n e n v i r o n m e n tca l a m b e r .The control and data a cq u i si ti o systemshallpr ovide r ecor dof tem per atur e.r a d / N . a The systemshall be capableto r ec or d n d ca l cu l a te shearstr ess. e loading th deviceshallapplya cyclictor queacc ur ate to w i th i n10 mN . complex shearmodul us a n d p h a sea n gleof binder specified tem per atur e. m . A calibratedthermocouple.The micr ometer wheel is gr adua ted r s a d j u s te d y me a n s o f a mi crometer b p p a . p l a t eo f D S R .On some r heom eter . t tg a i o u s u a l l yn u n i t s f m i c r o nT u r n i n gh ew h e e l l l o w s r e c i s e o s i t i o n i n h es p i n d l e n d the wheelmov es to b a s e p l a tere l a te d e a ch o th e r. th e se cond mould The mouldconsis ti ng i i andallowed cool. the t h e D SR i s n e e d e d r te sti n gT her ear e two waysto q ( 1 ) B i t u m e n i n d e rc a n b e p o u r e d i r e c t l y n t ot h e s p i n d l e n s u f f i c i e n t u a n t i t yo b d o i t p r o v i d e he a p p ro p ri a te i ckn e ss m ater ial. 1 0 C n l e s s a l i b r a t etd a s t a n d a r dr a c e a b l e c o t ( l of to th e N a ti o n aIn stitute Standar d and TechnologyNIST) and mus t w meter sor cir cuitr y. e g a rd l e ss f th e me thodused for pr epar ation the specimen. he T e x a c tq u an ti ty f b i n d e r. ( Tem per aturDetectorRTD) e witha thicknes s th e rmi sto o r R e sistance r.In th e fi rstme th o d oper ator . 0 m m i s s u r t a b l fe r m e a s u r i n t h e t e m p e r a t u ro f a o g or drameter e s d u m m ys p e c i m e n a m p l eo f b i n d e rT h e r m o c o u p l e s d t h e r m i s t o r s . h i s g a p mu st b e set befor em ounting bindersam ple.2 0 1 0 S Y) r S p e ci me nMo u l d . m n ) S p e ci me nT ri mm er A specimenubber ouldfor pr epar ation tes t r of specrmen. to h e a t e d i nd e r s p o u re d n to a ru bber b until solidconsistency.T h i c k n e so f t h eg a p d e p e n d s d O . Then t he o f b i n d e rma y b e p l a ce di n a re fr iger ator it attains fro between fixedplateand oscillati ng i the s a m p l e s re mo ve d mth e mo u ldand placed t o s s p i n d l e f t h e D S R . h es t e pi s s The n o r m a l l occu rri n g y i mme d i a te lp r ior thetesting. b d i s k s a n dw i ch e d e tw e e nth e spindleand fixed plate must be car efully i by the T h e p r o p e r e ci me n i ckn e sss achieved adjusting gap between spindl e th the sp the T but a n d f i x e dp l a te . Platinum b e ca l i b ra te d i th associated RTDsa r e n typ i ca l l y o t su i tablebecausethey ar e too lar ge to fit in the gaps th b e tw e e n e p l a tesin the DSR. i) Calibrated Temperature Detector . m icr ometer s t u t h es p i n d l e o w n . thickness the bitum en n der y to of br contr ol l ed. g ap a wheel. n o t h e ri.T h e e x c e s sb i n d e rb e y o n d h e e d g e o f t h e s p i n d l e h o u l db e R o of the t r i m m e d . wh i l e in at the s p i n d l e nd b a sep l a tea re mo u n ted the r heometer the testtemper atur e. shouldhavesufficient exper ience appl y to In method.r R C P5 3 .t m o v e s h e b a s ep l a t e p . ( 2) a mouldcan be usedto for mt he of or t th T h e nthe diskcan be placebetween spindle l the andfixed d i s ko f m ate ri ato b e te ste d . < 2 . fi nal g i r the the a s t e pi n p r e p a ri n th e sp e ci me ns to slightly eadjust gap between spindle nd p i T t t t t h e l o w e r l a t e o t h a ta s l i g h b u l g e s e v i d e nn e a r h ee d g eo f t h es p i n d l e . binder heated is o untilfluidto pour .A silicone ubbermouldfor pr epar ation tes t of soecimen. P r e p a r a ti o n f T e st S p e ci me n o A d i s ko f b i n d e r i t hd i a m e t ee q u a lt o t h e o s c i l l a t i np l a t e( o f t e n a l l e d s p i n d l eo f w r g c a ) pr epar e samplefor testi ng fo . an t u a r e n o t r e l i a b l eo t 0 . % 4a tt 10 Strain Ranqe. actual a e to The temper atur e e q u i l i b r a t i oin e i s e q u i p m e nd e p e n d e na n d s h o u l db e c h e c k e d s i n ga d u m m y t m t t u s p e c i me n i thve rya ccu ra te w temper atursensing e capabilities. r h e o me te me a su re s e stressr equir ed achievethe set shear str ainan d then r th to m a i n ta i n i s stre ssve ry p re cisely ingthe test. to e Afterthe sam pleis corr ec l yi n p l a cea n d te st te mp e ra tu re appearstablethen allowthe specim en 1Omi nutes for m i n imu m t th ese tte mp e ra turof the specim en equilibr ate.12 per c ent va a n d d ep e n do n th e sti ffn e ss f the binder o beingused. i u s e dw i th D S R to co n tro te s t par ameter l and r ecor dtest r esults.Shearstr ainvaluesvar y fr om 1. the beginning the test. the str Var iatr on shearstr ai ni s in n o r m a l l y n tro l l e b y rh e o m eter co d softwar e. The oper ator need n o t w o rrya b o u tse tti n g e valueof applied ess.the sam pl e s In of i t0 . Test Procedure B r i n gth e sp e ci me n th e test tem per atur + 0./Sd) 2.0 G.IRC:SP:53-2010 o n t he te st te mp e ra tu reH igh test tem per atur e 460Cor gr eaterr equr r e s m atl . oper ator the shoul ds et t h e a pp ro xi ma te l u e o f sh earstr ain. Afterthe spe c i m ens i t r i m me d u shw i th u p p e rp l ate.10C. H i g ht e m p e r a t u rm e a s u r e m e ne q u i r e a l a r g es p i n d l e 2 5 m m ) a n d e rt s ( l o w te mp e ra tu re sma l lsp indle 8 mm ) . The speci fi c ati on g the str r e q u i r e o s c i l l a t i osn e e dt o 1 0 r a d / s w h i c hi s a p p r o x i m a t e1y 5 9h z .m icr on dialedso that gap is ex ac l y at fl the is t h e de si re d l u ea n d sp e ci m en va bulges slightly. of a g a p o f 1 m m . l. extr a50. W ith the specimen ( a mounted. ar d a 10H m a t e ri a l s re te ste da t stra i nvalueof about1 per cent. % 9-1 5 B-12 W h e no p e ra ti n gn a sti 'e ss i contr olled ode./Sin 22 o) KPa Tarqet Strain.000or 2./Sin 0 6) (G. W h en o p e ra ti n g n a stra i ncontr olm ode. % ( in 1. th str Instead. oper ator the s h a llse t th e g a p a t th e d e si r ed valueof 1.The shearstr ain can vary s m al l th dur fro a m o u n ts mth e se t va l u eto achieve constant ess.A c o m p u t e rs s p .000micr on.2(c.testingconsists usingthe r he om eter i of s o f t wa re se l e cta p p ro p ri ate ain to str valueas under : Material Oriqinal binder TFOT residue '1 (G./Sin d) 012 022 0 09-0 15 0.18-0 26 T e s t i n g n si sts f u srn grh eom eter co o softwar e set the DSR to apply a cons tant to o s c i l l a ti n stre ssa n d re co rding r esuiting ainand tim e lag. the initial a In stageof the tes t.selectan appr opr iate esslevelus i ng m str software under as Material Original binder TFOT residue KPa Target Stress.Relatively m ater ialtes ted soft s a t h i g hte mp e ra tu rere te stedat str ainvaluesof appr oximately 12per cent. % Stress Range. 2 kPa ( G. nt T h e l i n ea rre g i o n i s d e fi n e da s r ange in str ainswher e the complexmodulusi s g 5 o e r c e n o r mo reo f th e ze ro str ain fr var The shearstr ess iesnear ly om 0 at value. i n d e p e n d e o f s h e a r t r a i nT h i sr e g i o n i l lv a r yw i t hm a g n i t u do f c o m p l e x o d u l u s . o I n t e r p r eta ti o n f R e su l tsa n d Data Pr esentation sh with incr easing ear (G-) a n d phaseangle( Sin6) decr ease mo T h e c o mp l e x d u l u s is wher ethe m odulus r elati v el y as re s t r a i nA l i n e a r g i o nma y b e d e fined sm allr egion . valu eof m for of a T h e t e s tte mp e ra tu res p e r re q utr em ent specification com plex odulus of 5) l d l k Pa ( G -/S i n ) fo r o ri g i n ab i n d erand2.' to T e stte mp e ra tu re the near est 10C. t The of at t h e c e n treo f th e p l a te sto a ma xim um the extr em ities the plateper im eter or m tor or d s h e a rs t r e ssrs ca l cu l a te fro mthe applied measur ed que. 0. the pr esent a par following ameter s: includes r A o f G . thr G* to th e n e a re st eesignificant 0.) and phaseangle( Sin6) .and t o a 0 S t r a i n m p l r t u dte t h e n e a r e s0 ./Sin for r esidue thinfilmov er e e 5) d t e s ts h a llb e ca l cu l a te fro mth e plotof ( G.IRC:SP:53-2010 c a c t n by f i r s tc o n d i t i o n e d l o a d i n gh e s p e c i m e f o r ' 1 0 y c l e s n d t h e n 1 0 a d d i t i o n a ly c l e s a com autom atically putes nd softwar e te to a r e a p p li e d o b ta i n st d a ta . complete epor t a) b) c) d) figur es./Sin and tem per aturfor com plianc of s p e c r f i ca ti o n . 0 1p e r c e n t . 17 .1 to e ) T e stfre q u e n cy the near est r adls. 1 0 '1 T e stp l a tesi zeto near est m m and gap to near est ptm. specification val ues For o s t r a r n n dth e g e o me try f th ete s tspecimen. 0. easur ed app l i ed only. a n d S rn6 a re re q u i re d .1 S rn tr to th e n e a rest degr ees.T he r heometer ( mo v r e p o r t s al u e so f co mp l e x d u lus G. m e w s . r-^l A 36.2 0 ' 1 0 Annex.0+ 0. 0 + 0 . 1 Designof Mouldfor ElasticRecovery 1B .A n y typ e o f co nventional of m b at t h e te stte mp e ra tu re .m m 1 D 10. in rubber additive bitumen and helpin assessing of in Ap pa ra tu s given in lS:1208-1978 Ductility Machine: Conforming specification to and mould is s h o w ni n F i g .1mm B 30.2 (Table 2) M E T H O DF O R E L A S T I C E C O V E R Y E S T R T Theelastic recovery modified of bitumen evaluated comparing is by recovery thread of after for specimen t hourat specified conditioning temperature the specimen elongated and is 10 cm deformation a ductility in machine.t R CS P5 3 .1mm C 1 7 . 1m m Test Fig. This is mainlyintended assess upto to degree modification quality modified and of of bitumen bitumen. 1. 0 0 . sca ductility upto25 cm witht 1 mm a c c ur ac y . .'An ASTM 630Cthermometer anv other standardthermometer or of rt equivalenange.1rnnt + E 1 0 . D _r---__ I _l*-* _. scissor s capable cutting odified i tum en Sc isso rs.5+ 0.0+ 0. cross-section thread The of shall be as shownin Fig. 1 . Thermomefer. S c al eA n y tra n sp a re n t leof m easur ing . Thisis a simple testintended optimize to doseof polymeric and/or quality PMB/RMB laboratory. at 1O deformatron cm at a rateof 5 t 0. at lS 12OB specified cut lmmediately temperature. piecesof m od i fi ed so p o s i t i o n e a r th e fi xe d h a l f o f the test specim en that the two n as specimen X. at into thetestspecimen twohalves themidpoint temperature.25cm/minute specified testspecimen Keepthe the using scissors. of th b i t u m e nu stto u ch .IRC:S53-2010 P P r o c e d re u in prepare as and condition prescribed TestMethod for threetestspecimens one sample rateto a at the Elongate test specirnen the specified temperature.R e co rd e l ength the r ecombined l Report pr by c th C a l c u l ate e p e r ce n t/e l a stirecover y the following ocedur e (%) Re El a s t i c co ve ry = '10-x {0 x '100 19 . for '1hourat specified condition in thewaterbathin an undisturbed backi nto half movethe elongated of the test specimen A f t e rt h e t h o u rti me p e ri o d . 2 0 1 0 S Annex-3 (Table 2) M E T H O D O RS E P A R A T I O T E S T F N Scope T h e s e p a r a t i oo f m o d i f i ea n d b i t u m e n u r i n g o ts t o r a g es o f t e ns e e na n dt h i sc a n n r d h i b e e v a l q a t e d y c o m p a r i n gh e r i n ga n d b a l ls o f t e n i n g o i n to f t h e t o p a n d b o t t o m b t p p o r t t o n a m p l e s a k e nf r o m a c o n d i t i o n e d .heati ng. o 6" R a c k C a p a b l e f s u p p o r t i r r h ea l u m i n u m b e si n a v e r t i c ap o s i t i o n t h eo v e na n d o tg tu l in f r e e ze r S p a t u l a n d H a m m e r T h es p a t u l a u s tb e r i g i d n ds h a r p o a l l o w u t t i n g f t h et u b e m a t c o c o n t a r n i n g e s a m p l e h e na t a l o wt e m p e r a t u r e . e a v e h et u b e si n t h ef r e e z efro r a m i n i m u m f 4 h o u r s o s o l i d i f y n L t o t t h e sa mp l eco mp l e te l y. t p o r t t o n f s a m p l e a n d p l a c et h e t o p a n d b o t t o m o r t i o n s f t h e t u b e l n t os e p a r a t e o p o 20 .A f t e r h r o u g h t i r r i n g . o Apparatus A l u m t n u m u b e s 2 5 . taking eto keepthetubesin a v er ti c al car p o s i t i o a t a l lt i m e s . p on r em oving tube fr om the fr eezer place it o n a fl at U the . u tt h et u b ei n t ot h r e e q u a l e n g t h o r t i o nw i t ht h ek n i f e D i s c a r dh ec e n t r a l C p s e . t s t l 6 m t s p o u r5 0 0 g i n t ot h e v e r t i c a l lh e l dt u b e . s u r f a c e . l y m e o r r u b b e r o d i f i e d i t u m e nn a s t po r m b i s c a l e d u b e so f m o d i f i e d i t u m e nn a v e r t i c ap o s i t i o n t 1 6 3 r 5 o Ci n a n o v e nf o r a t b i l a perrod f48 hours. th w Procedure P l a c et h e e m p t yt u b e . 7 m l o n gb l i n da l u m i n u mu b e s . 4m m i n d r a m e t e rn d 1 3 6 . a m t O v e n C a p a b l e f m a i n t a i n i n g 3t 5 c C o 16 F r e e z e r C a p a b l e f m a i n t a i n i n g 7+ 5 0 C . P a s s h e n t o l t e n a m p l e h r o u g hS s i e v e 0 0m i c r o n e s ss i z e .F o l dt h e e x c e s s u b e o v e r t w o t i m e s . emovethe r ackfr om the ov en anc j r p l a c etmme d ta te il n th efre ezer y at6.w i t h s e a l e d n d d o w n i n t h e r a c k H e a tt h e s a m p l e a r e f u l l y e c u n t ilsu ffrci e n tl yu i dto p o u r . n d y t a c r r m p n d s e a l .P l a c et h e r a c kc o n t a i n i ntg e s e a l e d u b e si n a o v e n m a i n t a i n ea t a h t d a t e mp e ra tu re f '1 6 3t 5 0 C Allowthe tubesto standundistur bed the ov en for a o in p e r io do f 4 8 t 4 h o u r A t the end of the per iod. T .Car eshouldbe takento pr event fl localized over .r R C P5 3 .7+ 50C. R e p o r t he d i ffe re n ceIn 0 C . y t o t t o r e m o v e h e p r e c e s f a l u m r n u mu b e .b e tween o a s b o t t o r n a m p l e s s a v e r a g e f t h r e es p e c l m e n s a1 LI .A f t e rt h o r o u g h ls t i r r i n gp o u rt h e t o p a n d g f r r l s b o t t o m a m p l e s n t oa p p r o p r r a t emya r k e d i n g s o r t h e r i n ga n d b a l ls o f t e n i n p o r n t to accor ding TestM ethodlS 1205 The top a th t e s t Pr e p a re e rrn g s n d b a l lappar atus a b r s a n d b o t t o m a n r p l efs o mt h e s a m et u b es h o u l d e t e s t e d t t h e s a m et i m e Report pointsof thc r especttve and top thc softenr ng .r R C P5 3 .2 0 ' 1 0 S u r i t b e a k e r sP l a c e h e b e a k e r n t oa 1 6 3t 5 0 Co v e nu n t i lt h e b r t u m e ns s u f f i c r e n tflly t d . 2 C y l i n d r i c a l e a d e d l u m i n i u m o l tA s s e m b l y H A B na L1 . rts re 3. 1 0 Annex-4 (C/ar.se 8. Iotal massof spider.r f t cs P 5 32 0 .. nuls. 1m m F i g .\ \ J / ImenvnI ssmm /"". d i m e n s l o n s e 0 . Apparatus 3'1 A c y l r n d r r ch e a d e d l u m i n i u mo i ta s s e r n b l a s i l l u s t r a t e d al a b y r nF i g u r e w r t h 2 a t o t a lm a s so f 4 5 1 5 g T h e b o l th a s a c y l r n d r i c h e a d ai w i t ha d i a m e t eo t 2 8 6 m n r r a n d a t h r c k n e so f g 5 2 m m T h et h r e a d e d h a n k f t h e s s o b o l ti s 4 4 .m o d i f be n d e r s r rd t o me a su re T o rsro n a l c over y.c a n b e u s e d l to centreheassembly t A p o t n t eirs r e q u i r e f o r a n g l e e a s u r e m e nrtnt h e d m s a b s e n c e f t h es p r d e rs e e F i g 1 f o r o d e t a i l s f t h i sa s s e m b ra n dt h e o p t i o n a ro m p o n e n t s o y c l' ---:\#-- r..-_*'_-{ \ \-*-*"-Spider with3 armsqrooved to assist initial location wilh the rin of the penetratjon cup.- fX. Scope I h r st e s tm e t h o d e t so u t tne pr ocedur i: the deter m r natr on s for of tor sr onar ov er v f r ec o p o l y m em o d r f r eb i n d e r s s l n g s a m p l e o l ta n d r d u a b c u pa s s e m b l y 2.3) TORSION ECOVERY F MODIFIED INDERS R O B 1.shatt a n dd i s k assernbly 459 N o t D r a w nt o S c a l eT o l e r a n co n m a s sl g .. Definition A s r m p l e e a n s f d e t e r m i n r n h ee l a s t i c r o p e r t r e s m o tg p o f a p o l y r n e r . sm m l o n g A m e t a l s p t d e r w i t ht h r e er a d i a p r n sa n d t w o n u t s . t h e r m o s t a t i c a l l y o n t r o l l e d n d c a p a b l eo f m a i n t a i n i n g 3.t p f m o d r f i c d r n d e r t h r o u g ha n a n g i e o f 1 8 0 d e g r e c s c o b a n d n r c a s u r r n g h e c x t c : n to f r e .2 Testing A l l o w t h e a s s e r n b l y o c o o l f o r o n e h o u r b y l e a v r n g t t o s t a n d a t r o o r nt e m p e r a t u r c t r ( 2 5 " t 3 u C ) A d l u s tt h e a s s e m b l yh e r g h t o k e c p t h e t o p s u r f a c eo f t h e b o i tf l u s hw i t h t l r c : . .o f B O m m r a d i u sa n d g r a d u a t e d a r n d e g r e e sa r o u n da t l e a s th a l f r t sc r r c u m f e r e n ca n d a c l a m p c a p a b l eo f h o l d i n g h e e t s a m p l e c u p w t t h t n3 m m o f r t s c e n t r ea n d w i t h o u tl g f n r m r n nr h o n ' n h y f i 1 o f e h a n t 3 mm Inany directron A w a t e r b a t h c a p a b l eo f o p e r a t i n g t 2 5 o C+ 0 . I h e t o r s r o n ar e c o v e r ya p p a r a l u s p e r a t c sb y r n a n u a l l y o t a t r n q n a l u m i n r u m o l t . m e a n so f c l a m p r n gh e s a r n p l e / b oats s e m b l y n d d e t e r m i n i n t h e i n i t i aa n d r e c o v e r e d t l a g l d a n g l e T h e r e c o m m e n d c d e v t c ep r o v t d e s s c a l e .m c a s u r r nd e v t c ea n d s a m p l ec l a m p a s s e m b l y o r a n a l t e r n a t r v e 3.3 g .p i a l t : r w t tg a n d ' f r t h e p o r n t e t o t h e 1 8 0 d e g r e ep o s t t t o n r t h o u d r s t L r r b r nh e s a m p l e U s r n g h e : l '180 f rnovrnghe pornter rom the degreepositrono the zero spanner turn the bolt t t ZJ .5 c a a t e m p c r a t u r e f 6 O o C o 2 0 0 o C w i t h a s e t p o i n ta c c L l r a c y f + 5 o C o t o 3.6 A stopwatch A s p a n n e rt o s u r tt h e b o l t a s s e m b l y Method 3.2 C 1 0 3. s o c . c o v e r yf t h e o r r q r n a a p p l r e dr o t a t i o n T h e i n r t r a l t o l 1 8 0 d c g r e e t w t s t r s a p p l i e dw i t h a s p a n n e ro v e r a 1 0 s e c o n d p c r r o d T h e r e c o v o r y a f t e r 3 0 s e c o n d sr s r e p o r t e d 4.4 A d r y i n g o v e n .1 P r e p a r e h e s a m p l ea s d e s c r i b e dn M e ' t h o d U 2 A s s e m b l e h e b o l t .t R CS P 5 3 .f i t t e dw i t h a n a p p r o p r r a t e a thermorneter 3. s a m p l es u r f a c e P i a c et h e a s s e m b l yi n t ot h e 2 5 o Cw a t e r b a t h a n d a l l o w i t t o s t a b i l i z e : ' f o r o n e h o u r ( s e e N o t e 6 1 ) A d l u s t t h e s p i d e rt o a p o s i t i o n t 2 m m a b o v e t h e r i r n 7 a n d r e t u r nt h e a s s e m b l yt o t h c b a t h P l a c e t h e s a m p l e a s s e m b l yo n t h c b a s e .7 4.2 A s a m p l et i n c y l r n d r r c afll a t b o t t o m e d n d 5 5 m m i n d i a m e t e r a A n a n q l e . l o r a b p r c v r o u s l y m b e d d e d i n a c r .s p i d e r i t M t a n d n u t st o p o s i t r o nh e s u r f a c eo f t h e b o l th e a d B t 2 m m b e l o wt h e t o p o f t h e s a r n p l e t c L r p [ ) r e h e a t h e a s s e m b l y n d c u p t o 1 8 0 " Ca n d p o u r t h e m o d i f r e d r n d e ri n t ot h e t r n a b o a s s e n r b l yu n t r li t b e g i n st o f o r m m e n i s c u s n t h e t o p s u r f a c eo f t h e b o l t 4. for reproducible is to is The rateat whichthetorque applied the sample critical 6.2 0 1 0 S pornter positionusing a steadymotion for 10 seconds. objective to apply180degrees rotation to to fromzero(0 degree) 1O(180degrees) helpwiththistask' scalemarked practical 80 Percent recovery A0 51o klading tims in ses0n{l$ Recovery) (0 from 0 to 10 Seconds to 100 percent ScaleMarked Fig.Re/easethe bolt when the and commencetiming(see Note6. of is The resurts.3). Notes at labor ator y 25 t 3oc ' in 6 . 3 presents in 10 seconds.2 a Fig. Recordthe recovered reachesthezero position 'A '' a a n g l eafte r3 0 se co n d s s 5.th e to rsi o n are co ve rys r eaddir ectly' 6.conditioned the within waterbath.r R C P5 3 . i l u s e d . 1 T h e te st sn o u l d b e co nducted an air .3 Practical aA LA . Al t e r na ti ve lth e te stca n b e conducted y. Calculation equation: i l T h e t o rsi o n are co ve rys g i ve nby the following % rl T o r s i o n ae c o v e r y ' = A x 1 0 0 180 in when the scale pr esented Figu r e3 i s a w h e r e A = R e co ve re d n g l e in degr ees. 4 a w b sh g T h e f o l l o w i n p r e c a u t i o n s o u l d e t a k e n h e nh a n d l i n g l l b i t u m e n s : sha l lbe s a ) E ye p ro te cti o n .2 0 ' 1 0 6.3 withthe r im of the cupat not should com eintocontact a T h e sp i d e r sse mb l y th P a n y l m e d u rrn g e re co ve rY hase. o A cce P ta b i l i tY f R e sults of acceptability r esults.loosen or (i n ve rt e ca n a nd war mthe lid. g s c l o t h i n g h a i lb e w o r nw h e nh a n d l i n h o tb i t u m e n ' c) g w T h e r es h a l lb e n o s m o k i n g h i l eh a n d l i n h o t b i t u m e n .uch as safetyglassesand/orface shields.m ) 0 3 0 r l m( 1 0 0 . puncha holein the th tid 7.) W hile actualr esultfor these pr oper tl es e Where any to is pr efer r ed avo i d of ter th n c a l c u l a teid p e rce n t. h w o r nw h e nh a n d l i n g o tb i t u m e n ' le cuffsandothersuitab protective withclosefitting g b) Heatresistant loves.l R CS P5 3 . the lid of the sam plecontatner is d ) Wh i l eth e ma te r ial stillcold.m ) o T o rsi o n a l U n i t s f Recovery m e a s u r e m e n t (-) ar . co cri T h e f o l l o w i n g te ri a u l db e usedfor judging Property U n i ts o f Precision RepeatabilitY (r) ReproducibilitY (R) ( 0 0 9 r / m 1 0 0 .m' i s th e me a n te st result( . eg e n e r ic m"unr ts m easur ement" value' of or value( per cent) per centage the actual th b c o n f u si o n e tw e e n e a b so l u te 25 .if necessar y) . 6. 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