Structural engineering and design construction2012-2013 zherrinore 1. From the given truss, it is made up of guijo b. 5 100mm x 150mm. It is subjected to a vertical c. 6 load of 20 KN acting at C d. 7 Allowable stress of wooden section e. 8 Shear parallel to the grain=1.0MPa 3. If the concentrated load will be placed Shear longitudinal for joints=1.45MPa at the end of the overhang, compute Compression parallel to grain=1.1MPa the maximum shear at the midspan Compression perpendicular to grain=5MPa 3. A timber joist 40mmx190mm spaced at .3 m on centers, carries a floor load of 2.4 kPa including the floor finish. The joist is supported by the girder at 3m. Two lengths of joists are used. L=3m and L=3.5m. EI is constant throughout the span 1. Compute the maximum flexural stress when L=3 a. 4.15MPa b. 5.85 c. 6.35 1. Compute the minimum length of x d. 7.78 a. 120 mm e. 3.37 b. 140 2. What is the maximum flexural stress c. 150 when L=3.5m d. 160 a. 1.15 e. 130 b. 2.87 2. Compute the minimum length of y c. 4.15 a. 12.15 d. 5.86 b. 14.55 e. 3.18 c. 10.75 3. What is the maximum shear stress d. 16.96 when L=3m e. 20.85 a. .21 3. Compute the axial stress of member AC b. .12 a. 1.78 c. .56 b. 2.36 d. .85 c. 1.26 e. .98 d. 2.85 4. A 12 mm thick steel tire has a width of 110 mm e. 3.33 and has an internal diameter of 800mm. The 2. A simply supported beam 10 m long has an tire is heated and shrunk to a steel wheel 800.5 overhang of 2m at the left support. If a highway mm diameter. Modulus of elasticity E=200GPa uniform load of 9.35 kN/m and a concentrated 1. Determine the tensile stress in the tire load of 116 kN, passes thru the beam compute a. 125MPa the fillowing based on the influence line b. 115 diagram for maximum shear at midspan. c. 108 1. Determine the length of the beam d. 110 where the uniform load could produce e. 111 maximum positive shear at the mid 2. Determine thbe compressive pressure span between the tire and the wheel a. 6 a. 2.15MPa b. 5 b. 4.78 c. 8 c. 3.75 d. 7 d. 6.33 e. 9 e. 5.18 2. Determine the length of the beam 3. Determine the thickness of the tire to where the uniform load could produce resist pressure of 1.5 MPa if it has an maximum negative shear at midspan allowable stress of 124 MPa a. 4 a. 3.25MPa 1. 3. Diameter of pin is 16mm.45MPA the strut and the pin in MPa c.3 c. 126. 48kN moulding of diameter 2m from an overhead c. 5.45 b. 110. 2. 5. 66. 45 8.87 h=10mm is pin conenected to two gusset plates d. 40 kN. 4. Calculate the shear stress in the anchor upward uniform pressure of q=48kN/m bolt in Mpa a. 9. 150 water to which the tank maybe filled.15MPa 1. Compressive load P=48Kn.36 e. a uniform load of 112 e. 64 attachment point is 3m above it.08 having a thickness of 12 mm which are welded e.5 d. 36 d.48 1. 42 c. 51.5kn/m and the d. If the moulding weighs 2.m a. 276 b.23 a. 1. 105. 6. 215 c. Find the tension in each steel wire a. 4. what is the maximum height of e.78 b.4 a.48 c. 30 e. 140 d.1 c. 112. 33 e. 7.87 d.08m a. 4mm e. Determine the maximum shear e. 3 .3 kN/m is acting downward and supported by an 3. 2. If the circumferential stress is limited to d. What is the diameter of the wire that where the flexural stress is zero will not exceed the allowable stress of a. 85. 6. 5 d. Calculate the bearing stress between b. 1. 9. Structural engineering and design construction 2012-2013 zherrinore b. When the tank is filled with water. 60 following 2. 170 5MPa.2 m 124 Mpa b. 7.7 d. 119. 155 3. 53 point.85 MPa b.47 b. 4. 80. Calculate the shear stress in the pin in a.4 e. From the figure shown. 176 e.15 7. 245 d.7 6. 2.68 a.36 c.15 c. A hollow steel strut with a wall thickness of c. 3.23 d. 48 b. 8. 6 c.35 d. 8.14MPa b.22 2. 72. Determine the longitudinal stress at the bottom of the tank when it is filled with water a. A water tank 3m in diameter and 6 m high is and fastened to a concrete base by 4-16mm made from a steel having a thickness of 12mm anchor bolts.84 to the base plate having a thickness of 12mm 5.7 b. Six steel cables are supporting a circular heavy b. 4.69 c. 5. 2. 3. Determine the distance from the left 2. ϴ=30⁰ determine the circumferential stress a. Determine the maximum moment 1. 160 3. determine the e. 5. Compute the bending stress in Mpa b. -2.42 a. 145. 290 displacement of the molder 3. Determine the maximum bursting c.15 H=. .41 loads 10. lateral force b.23MPa the soil=17.012 MPa location. Compute the maximum horizontal b. stress in the pole? tw=11 a. Determine the maximum tensile stress d.012MPa 1.025 maximum moment of the strut c. 7 d.78 c. acting at its centroid and a . Unit weight of d. The beam has a span of 10m.039 a.369 d.15 KN. 3.415mm e. 3. It uniformly distributed superimposed load of is subjected to a compressive force of 3 Kn 25kn/m.078 c. 17.83 e.887 b. 83. determine the shear stress fv=1.48Mpa considered hinged at the base. 63.36 stress at the base due to the loads e. 178. determine bands 50 mm wide by 6mm thick with a the safe width in bending maximum tensile stress permitted in the steel a.29Mpa 3. 18.3m.5 m in diameter.48MPa.7MPa. 168. -4.45 KN lateral force Properties of W420 x 85. Structural engineering and design construction 2012-2013 zherrinore e.7m. .254mm a. -8. Here it is composed of e.1m.527 c. 270 pressure if the tank contains water to a . h1=2. 2. If the struts are hinged at anchor rod a. 14. A=10839 mm2. Determine the safe width in shear a. 75.48 12. 18.28 at the base due to vertical and lateral e. 16. h2=3. find the vertical e. . 15.58 c.23 outside diameter and height of 3m weighs 2. determine the design b. If the strut depth is 300 mm. 323 b.42 a. 155. Determine the maximum compressive d. . 296 9. If the hollow pole is replaced by a solid allowable bending stress fs=14. .15Mpa be dropped at 3m spacing. applied at the top. 19. 250 1.81. h3=2. -3. A large pipe called a penstock in hydraulic work d.045 d. 17. 288 d.42 is 1. is=310x104. . The piles are c. . treated timber piles a.3kN/m3.36 13. d=420mm.025 a.15 b.83 d.m d.015 c. . .58 MPa water=9. -5. A 250 mm pole is 3m high is fixed at the base. unit weight of e. Compute the maximum web shear 150n/m.36MPa braced by the horizontal struts are anchored to b. A hollow circular pole 6 mm thick with 300 mm e. 1. maximum shear stress at the base 1. What is the maximumshear bf=18mm. tf=18mm.23 e. .078 b.15 1.26 wooden steved bound together by flat steel 2.77 from the centroid of the section. 236 e.039 b. ka=1/3. To retain the backfill. If the wire is 10mm. 4.41 d. . 315 c. 70. . allowable wood pole of 250 mm. A W420x85 steel beam is fully restrained with a 11. . .36 shear stress in Mpa c. The pole is subjected to the following stress vertical load P=3KN at an eccentricity e=100mm a. .23 2. 16. 300mm bands of 300 MPa b. 87.45 kn at the top of the pole c. 15.45 e. 180. 330 3. . 205. The horizontal distance from A at one end of b. -345 kN. 3 d. 308 d. concrete unir weight=24kN/m3. what is the total upwatrd pressure is uniform and that length of the beam which should be loaded? the barge remains horizontal a. 278. 60 the river to frame C at the other end is 20m. A 10m long beam is simply supported at the left d. . l3=3m c.2 . 218 d. -285kn load=1200kN. 22m 15. If the upward pressure is 87 kn/m. It is to be designed for moving uniformly distributed load. Axial b. 34000N b. 15m e. 9m 3. 228. 211.5 e. Density of water is b. 5m c. determine the spacing of the bands 17.6 end and at 2m from the right end. 163 14.5m. My=360 c. height of backfill on top of the d. Calculate the gross safe soil bearing capacity a. It is to be e. max. Structural engineering and design construction 2012-2013 zherrinore depth of 30m. 302. 4m d. 18m d. 203mm w2=290 kn/m l1=3m. 2 b.w1=145kn/m b. What is the total steel bands if it has a factor of safety of length of the beam which should be subjected 2. 36000 d.m. is the ahear at 3m from the left end supports concentrically a column . 326. 312. 4 c. Calculate the max. 1. If the upward pressure is 72 kn/m. 2. 197.3 kPa a. 1m a. 35000N a. 7m b.3 kPa d.5 to the moving load? a. A rectangular footing. 7m 2. what along the y-axis and 3.4 b. long along the x-axis. c. Negative moment. 289 kPa shear in the barge be equal to zero? b. 5 e. 8m a. d. l2=6m. A 12 m long beam is simply supported at the right end and at 3m from the left end. 2.6 analyzed for moving uniformly distributed load. 8m e. 311 b. 5m d.70 m thick. 48 The cable carries a load W=50kN. 12m c. at 1.4m square a. 358 e. -328 footing=1. 53 kPa 18. 32 3.4 1000kg/m3 c. A barge shown diagrammatically supports the near the bottom of the penstock load W1 and W2 for every one meter strip a. 6m e. 294. -219 soil unit weight=17kN/m3 3. Calculate min net soil pressure e. 8m c. determine the tensile force in each for max. 175mm along the longitudinal section.4 16. Shear at the midspan. 10m b. -236kn subjected to the following loads. 38000 e. e. Find the total length L so that the For max. 256 c. 64 e.5m wide 2. moment about y-axis.4 c. 326 a. 37000 c. 190. Net soil pressure what distance from the left end will the a. 38 b. 1520 b. 300N d. 230N shear at midspan? b. B.2 d. when the load W is at distance x1=5m from A. 73 e.13 c.5 b. It is 77kN/m3. An 8mm thick steel tank has an outside of 16mm and has a unit weight of diameter of 600 mm and a length of 3m. A.85 a. 18m axis. 200N a. The suspended girder shown is supported by d. To what value could the internal pressure be increased if the allowable design stress is 120 Mpa a.42 d. 4. 20. 78 series of hangers uniformly spaced along a e. considering e. 1230 the tank c.8 e. 720 d. 56 d. at what distance from A is the load W c. .12 e. and C which are equally spaced c. 880 19.5 c. 16. 56. Diameter of the steel plate is 1. . the sag in the cable is 1m. 3. a. 48. Calculate the tension in the segment DC of the cable a.14m a.45 such that the tension in the segment AD d. 10m 3 posts.8 3.28 of the cable is equal to segment CD e.28 b. Determine the circumferential stress in b. 18.3 d. A 10 m long beam is simply supported at the 2. 15m along its circumference. 850 c.8m 2. neglecting of the cable/ the weight of the steel plate a. A load W=1350 N is at a d.5 c.28 e. What is the weight of the steel plate ordinate of the influence line for maximum a. 190. subjected to an internal pressure of 2Mpa. 95 parabolic cable 2. 750 e. 20m distance x=.36 3. 210N c.78 . 1. Compute the reaction at C. 63. 2. neglect right end and 2m from the left end. 250N b. 42. what is the total length 1. If the sag in the cable is 1m at a distance x1=5m. 1.48 d. . Find the reaction at post A. 175. Structural engineering and design construction 2012-2013 zherrinore 1.4 3. 1125N 1. 60 22. . 187.90 c. 1345 a. 164. 156. 36.3 the weight of plate if it has a thickness 20. 1295 c. 5. 12. 12m 21.15 b. Figure shows a circular steel plate supported on b. 780N b. Find the reaction at post B.3 e.5m from the post at A along the x- e. 22. Find the longitudinal stress in tha tank a. c. 3.42 e.56m b. 180. 12 A e. point B whose slope is zero e. 85. 200 pressure q=1. 180 C=1. 13 a.38 d. The end of the wire BCD a. 170 of the billboard is 30kN. 350N 3. Find the max 1. 90.3 1. A weight W is suspended from a fine wire AB BC. 10.6 c.68 d. e. 4.15 c.25 makes an angle shown with the vertical.7 d.48 e. A cantilever hollow circular bar 5mm thick with outside diameter of 75mm is subjected to a torque of 3Kn.2kN a.15 23. 330 reaction at C c. 15.8 d.4 in wire AB 26. 18. 66. wind d. 95. 150kN 3 m high 4m wide on each end. 340 b.36 e. 11. 87. 7. The pin jointed assembly supportsa a billboard b.6 . Which of the following gives the tension e. 300 c.8 a.67 3. 6.H=1. 63. 96. Which of the following gives the vertical b. 156. 80.88 2. 10. wind pressure coefficient. ϴ=60⁰. 360 a. 75.8 a.68Mpa is attached to a 10KN weight and the wires b.5m.18 d.70 a. What is the tension in the cable at d.10Mpa b.8 b. 75. 12. 13. 179. determine the normal stress in the cable a.87MPa d.42 b. The total weight c. How much is the normal stress in strut 24. What is the resulting sag y if the maximum tension in the cable is 300 kn a. 15 2.7kPa. 91. 20 m long supports a. Find the max tensile stress in the b.m at its free end.0 3.78m c. Which of the following gives the weight d. 160Kn 25.6 e.2 rod. 10.5 midspan.3 a 10Kn weigjt. 22. 14.6 b. 10 e. 93. 11kN d.5 c.7 c.3Kn e. If the strut AB were placed by a 16mm steel cable. 215. 190. Determine the horizontal reaction at A shear stress in hte bar a. 20. Unit weight of steel is 77kn/m3 c. 5.48 e. 20. 15. 83. Structural engineering and design construction 2012-2013 zherrinore 1. 15.38 2.7 c.7 mPa b. 13. 90. 80. with cross sectional dimensions of and a very flexible wire BCD which passes over a 6mmx76mm frictionless pulley at C. An 8mm diameter steel rod. What is the vertical reaction at support d. 45 b. 43. . 51. B. 67 1.48 d.75 c. 618. 635.68 c.69 d. 25 3. find the circumferential points as shown. A flat circular pole lies in the horizontal (xz) 1.15 e. 18. For the forces A.64 the weight of the boom b.58 28.95 as shown . 20. Which of the following gives the c. A load W =30kn is lifted by a boom BCD making 1. Structural engineering and design construction 2012-2013 zherrinore 27.47 2. If ᾳ=60. 28 b.9 c. 518.34 c.25 30. 56. 35 d.47 c. Determine the angle β between cables d. 10. Neglect a. 32.45 d. 92.38W e.68 d. 25. 56. 56kn b. Determine the tension in cable AB an angle ᾳ=60 from the vertical axis.38 d.58 b. 40. B.3 e.Band C to be in shown in the figure equilibrium. Three cables are used to support the load W as 3. Determine the horizontal reaction at B e. 95. 589.15 1. 479.28 2. 53 a.18 a. 23. 411. 20. 453. 32 a.26 2. 22. 18.5 b. if the resultant of forces is 80 kn and is plane and is supported at the three acting along the positive x-axis. 31. 84. Determine hte tension in cable AC a. .85 e. 88.7 d.15 b. 63.36 c. 526. and C acts along the x-axis? a.42 e. 44. 88. 533.44 3. what is the value of force C such that the resultant of forces A. 50 reaction at A d. and C b.28W . 30 c. 685. 90. Determine the tension in cable AD b. A=35kn B=45kn c. Determine the tension in cable AC a. the hook is subjected to three forces A.4 a. 40.72 e. The weight of angle ᾳ the plate is W a.58 b. .36 e.39 AC and AD e.7 29.34W c. What is the magnitude f the resulting force C a. 22. b. 5. Determine the value of z 31. If the oad w=50 kn. 21. 5 e. 4. 1 figure. 6. 33.31 .28W c.48 d.74 a. 1.7 e. 1 a. Determine the total reaction at C in the leg AD a.12 e. 5.93 b. . 4 d. A vertical load P=800 KN applied to the tripod b. 25. 38.42W 1. 30.69 c.75 d. 2.8 c. .5 d. 32 2.30W d.66 b.36 c. 4 e. 23. 456. A tripod supports the load W as shown in the a. . 563. calculate the force a. . 34. Which of the following gives the reaction at b a.23 leg AB and a compressive force of 283 Kn in leg d.17 c.06 b. assuming h=2m.36 a. calculate the force 1.25 a.28W 2.75 c. Determine the force in leg AD a.23 e. 2 b.48 d. 3 d. Determine the maximum load W that and F2=5kn. . .34W c.84 d.25 in leg AB b. . 5.2 b. 28. .38W b. . 10 c. 7. 433. 3 c. Determine the value of x of its lower 3. 485. 18 e. . 3. 23kn b.34W d. Which of the following gives the end d reaction at c a. .3 e. 4. 4.53 3. 5 3. 7. Structural engineering and design construction 2012-2013 zherrinore d. If the load W=50 kn. Determine the total reaction at A 3.33 AC e. 23.78 shown causes a compressive force of 256 KN in c. . 15 d.25 32.38W b.30W e.30W e.8 33. 3. 20. The three hinged arc supports the load F1=8kn 1.42W 2.42W e. can be supported by the tripod if the capacity of each leg is limited to 10KN a. 8. Determine the raction at B e. 425.16 2. 5. 2 c. 8 front wheel and 71.8kpa 1. Calculate the resulting shear at B due to A=22387 d=835 tw=14mm the given load Tf=19mm bf=290 mm 2. 436. 300mmX500mm Tf=16mm Slab thickness=100mm Tw=10mm Superimposed deadload=3kpa Fy=248Mpa Liveload=4. Calculate the total ultimate load 3. What is the maximum flexural stress in with respect to x axis. 387. The deck is supported by wide flange Concentrated load at H=266kN steel beams strengthened by cover plate 16mm Uniform load throughout its length=5kN/m x 250 mm one at the top and one at the bottom. The following loads 35. Find the tension at B beam GHI at H a. Calculate the maximum shear at E Ix=2500X106 induced by the concentrated loads Iy=78x106 3. The parabolic cable shown carries a uniformly The column at e and H are deleted thus girder distributed load of 20kn/m behk alone supports the beam Def at E and 1.2 KN rear wheel Distance between wheel loads=4. Compute the tension in cable at C concentrated at E induced by beam DEF a. Structural engineering and design construction 2012-2013 zherrinore 34. what is the maximum flexural stress in due to the uniformly distributed load the cover plated beamdue to dead 38.9 37. Properties of W830 1.6 one span fixed ended beam supporting beam e.7 plan shown are deleted.7 DEF at E and beam GHI at H. 562. Compute the tension in cable at A a. 456. 478.44x10^8 reinforced concrete building. girder BEHK becomes d. When the columns E and H of the floor framing c. 302 2. the column is fixed. Built up column 10m long consists of W350x90 load? with twoplates welded to form a box section 2. Calculate the max. 523. 504. Figure shows the floor framing plan of a Iy=. 312 d. 357.9 service dead load at beam DEF c. It is simply supported on a span of 25m. Calculate the uniformly distributed b.5 1.9 3. Compute the effective slenderness ratio with respect to y-axis .6 2. y-axis the cover plated beam due to live load column is braced at midheight plus impact Properties of WF section 3. 326 c. Calculate the uniformly service liveload d. 415. What is the max web shear stress in the A=11540 beam Ix=2..6 at beam DEF e. All beams re Bf=250.4 using the tributary area method b. Positive moment 1.27 m Impact on live load is 15/L+37 with a maximum of 30%. the super structure of a bridge consists of a on girder BEHK are as follows: ribbed metal deck with 50 mm comlete slab on Concentrated load at E=266 kN the top. 258 b.66x10^8 36. 326. Compute the effective slenderness ratio Concrete unit wt=24kn/m3 with respect to x-axis 2. 287 e. Each of the cover plated steel beams is subjected to the following data: DL=12kn/m LL=17. Calculate the maximum bending stress 3. Compute the maximum web shear that the resulting tensile stress at the stress top fiber of the beam is zero.5 Mpa.7 fy=415 Concrete cover to the centroid of reinforcements=70mm 1. The beam is 250mm wide concrete wall with fc=27. N=100mm Diameter of bolts are 18mm and the plate 42. fc’=30mpa. Diameter of hole is Effective flange width bf=1250mm 2mm bigger the diameter of the bolt. simply supported on a span of 5m and carries Beam loads induce and end reaction of 240 kN the following loads: Beam properties are as follows Superimposed deadload=16kn/m D=450 tf=18 bf=190mm tw=10mm Liveload=14kn/m K=35 Fy=248 1. Fb=.m 2. Calculate the resulting final Bf=180 compressive stress if the prestressing Tf=18 force is applied at the centroid of the D=470 beam section Ix=315x10^6 2. Properties of W420x85 Total loss of prestress at service load is 15% A=10830 1.5K) flanges to form a box column . compressive strength of 41. A W450x90 beam is to be supported by a concrtete. fy=415 MPa. plate. Slab thickness t=120 Web width bw=350 Total depth below the slab h=480mm To reinforcement=3-25 mm Bottom =5-25mm Fc=20. If the beam carries an ultimate is at a distance K from the centroidal y. What is the width of bearing plate required if the design moment at required if the bearing length is 100mm ultimate load is 200kn. Determine the web yielding stress 45. Fu=400 monolithic construction of the slab and its assume the fasteners are adequate and do not supporting beam control the tensile capacity. Effective shear stress depth d=380mm.021 lapped joint on gross area 1. The typical T-section shown results from material is A36 steel. Determine the tensile capacity of the Balance steel ratio=. concentrated load of 50kn at midspan. Structural engineering and design construction 2012-2013 zherrinore 3. 3. What is the resulting shear stress in strength the beam if it is subjected to a factored 40. h=450mm. Find the number of 16 mm bars 1. Two channels are welded at the tip of the which occurs at distance (N+2.35fc’ ultimate condition Allowable bending stress in pile. A lapped bolted tension member is shown. Compute the axial load capacity where N is the length of the bearing 39. Fp=. Beam section is b=300mm. Calculate the final compressive stress if Iy=18x10^6 the prestressing force is applied at an Tw=11mm eccentricity of 100mm below the Consider bending about the major axis centroid of the beam section 1. What is the maximum moment at Allowable bearing stress on support. Find the nominal bending strength for 3. Determine the tensiole capacity of the negative moment lapped joint based on block shear 3. Determine the tensile capacity of the strength for positive moment lapped joint based on net area 2.75Fy 2. A beam with width b=250mm and depth d=450 load 0f 25 kn/n mm is prestressed by an initial force of 600 kN. If the critical section for bending plates 3. Determine the nominal bending 2. axis of the web. A fixed ended beam has a span of 10m and shear force Vu=180 KN supports a superimposed uniformly distributed 43. Calculate the eccentricity at which the fbx pre stressing force can be applied so 2. Calculate the maximum horizontal 44. find the required what is the number of 16mm bars bearing plate thickness required? 3. Fy=250Mpa. . Two plates each with thickness t=16mm are 1.5m and are Fy=415MPa fc’=27.45m thick A=5350 tw=10mm supports a rectangular column .7 fy=275MPa x=29mm column height=4m and effective Concrete cover to the centroid of steel length factor K=1. The joists are As2=4-28mm bars in tension simply supported on a span 7. S3=100mm bolt 2.35mx. For Load imposed on the joists are: all bars fs=fy Dead load=2. S2=80mm.4m. a KN.3kPa 3. Which of the following gives the location of the geometric centroid of the section from line1 along the x-axis 2. Calculate the maximum wide beam column.m about the x-axis column in a nonsway frame is f T-section 3. Calculate the axial compressive stress in 2. Fc’=20. Determine the maximum bending stress required for critical moment in the column due to a moment of 270 48.4m 49. What is the maximum punching shear the colum due to a concentric load of stress 900kn 3. loss of stress at service Clear concrete cover to the ties=40mm load is 18% Dimensions: H1=250mm b1=150mm H2=350mm b2=300mm Consider bending about line 2. The flooring of a warehouse is made up of As1=6-20mm bars in compression double tee joists(DT) as shown. Bolt spacing are as stressing force alone follows:s1=40mm. To comply with architectural requirements. Which of the following gives the location of the plasyic centroid of the section from line1 along the x-axis.4mx2. Determine the number 20 mm bars 2. Structural engineering and design construction 2012-2013 zherrinore Properties of each channel: 47. Determine the bending moment I=1880x106 Mu induced by the factored load ytop=88mm Pu=3200 kN acting along x-axis at 400 ybottom=267mm mm from line 1 a=2.5 pretensions with one tendon in each stem with Lateral ties an initial force of 745 kn each located 75mm 10mm bars with fy=275 above the bottom fiber. Compute the stress at the bottom fiber bolted together with 6-22mm bolts forming a of the DT at midspan due to initial pre lap connection.50Fu the DT carry such that the resulting Shear stress of the bolt=Fv=120MPa stress at the bottom fibers at midspan Bearing stress of the bolt:Fp=1. What additional superimposed load can Tensile stress on net area of the plate=. shear stress 1. Compute the resulting stress at the hole diameter=25mm bottom fibers of the DT at midspan due Allowable stress: to the service loads and prestress force Tensile stress on gross area of the plate=. If theT section is reinforced such that Live load=6kpa the plastic centroid of the section falls Properties of DT at 280mm from the line 1 along the x- A=200000mm2 axis. A square footing 2. What is the critical slenderness ratio of Given data: the built up column Longitudinal bars: 46.40m at its D=250mm Ix=52x10^6 center Iy=5x10^6 bf=100mm tf=15mm Colum loads are service conditions: Distance from the centroidal y-axis of the DL=680Kn LL=400Kn channel to the outer surface of the web. Neglect concrete area displaced by the compression steel 1. The major axis reinforcement=100mm of the channel is the x axis of the built up 1.60fy 3.0 on both axes.2Fu is zero? . bolt 1. Calculate the resultant force oon the the following conditions. Calculate the tensile stress ii\n the body 1. Wind force is a 53.3 p=1. Based on block shear strength 3. Structural engineering and design construction 2012-2013 zherrinore Calculate the permissible tensile load P under 1. What is the diameter of bolt if P=360kN . Determine the horizontal reaction at A threads 51. From the figure shown 1. Balanced steel ratio=. A simply supported beam spans 8m abd pressure if the coefficient is positive and a supports a sumperimposed uniformly suction if the coefficient is negative. The wind pressure coefficients on the gable weight of the concrete block W if the frame shown subjected to wind pressure. Compute the vertical reaction at A of the bolt 2. Design distributed load of 20kN. 3. Find the value of P by shear anf tension 2. How much is the maximum web shear design tributary width of the gable frame as 6m. stress? If the roller support at B were changed to a 3. Find the value of P by bearing 3. what is the minimum 50. standard holes. To prevent uplift. Determine the design strength using . Determine the live load at midspan in addition to DL=20kN/m including the weight of the beam if it has a span og 6m 52. Determine the horizontal reaction at B 2. Calculate the maximum horizontal hinged support and a hinged is added at D shear stress 54. Fc’=30MPa.44kPa and as follows.90 Allowable tensile stress=150MPa as reduction factor Allowable bearing stress=480MPa 3. All structural steel is A-36. Find the tensile stress at the root of the 3. What is the maximum bending stress wind pressure and the coefficient. Determine teh depth of the angle and the structural tee is satisfactory compression block Allowable bolt shear=117MPa 2. A concrete block of weight W holds a ring anchor bolt to which are fastened two guy wires as shown 1. fy=415MPa. Determine the angle which the 2. Consider 2. aas the bolt bears on the surface to Steel covering to the centroid of reinforcement resist the tensile oad is 70mm at the top and bottom of the beam./m wind force is computed as a product of the 1. required factor of safety is 1. Find the compressive stress at the head 28mm at the bottom and 2-28mm at the top. Based on bearing capacity of bolts resultant pull makes with the horizontal 3. Based on shear capacity of bolts 2.031 Assuming that the connection between the 1. 55. A tension member made up of a pair of angles is The beam has a total depth of 400 mm and a connected as shown with 4-25 mm bolts in width of 300mm. A simply supported beam is reinforced with 4. The tank and the horizontal surface is μs. The weight if a cylindrical tank is negligible in comparison to the weight of water it contains (water weighs 9. Calculate the required soil bearing capacity 59. If the force P=6. calculate the slenderness ratio 61. Assume the top flange is not laterally concrete pedestal.81 kN/m^3).45m in diameter. If the thickness of the column is 10mm. Determine the bending stress along the Column unsupported length=3m x-axis Allowable compressive stress=55MPa 2. Find the minimum required diameter of W=150kN held by a cor AB and AC. A cantilever truss is pin connected at joint D backfill on top of the footing is 1. Structural engineering and design construction 2012-2013 zherrinore 56. tank Thickness of the footing is . What is the minimum required bending stresses to the allowable thickness of the column based on the bending stress allowable compressive stre4ss 57. The take place horizontal force acting at the top of the 3.5m. Assume that the crane wheel imparts a A vertical load of 80kN and a lateral load 8 kN at 3. The girder is on a simple span of 2. A rectangular footing 2. A steel pipe column steel base plate and a used. Determine the bending stress along the Allowable bearing stress on the y-axis pedestal=10MPa 3. Calculate the max. What is the tensile stress at section A-A runway girder. Determine the horizontal reaction at an angle 15⁰ with the x-axis the hinged support 2. 3 m long along the x-axis supports a friction μs that would allow tipping to circular pedestal. The tensile member shown 50mmx75mm in cross section is subjected to a load PAA makes 1. pedestal along the footing is 144kN. Figure shows a picture frame of weight 2. concrete unit weight =24kN/m^3. 2.44kPa 2. Calculate the min net soil pressure 3.70 m height of 62. Unit weight of soil=17kN/m3 1. . Properties of W section Given: Sx=1280x10^3 Fbx=207MPa Axial load=800kN Sy=361x10^3 Fby=238Mpa Colum outside diameter=260mm 1. Determine the stress of member BE .5m wide along the y. Determine the ration of the actual 1. Spacing of the top of the pedestal to the base of footing is trusses is 3m. Determine the shear stress on plane A- 6m. Net soil pressure 2. 1. Assuming a full tank.5m depth from and is supported by a roller at G. Column ends are hinged and braced between end supports sidesway is prevented. Find the smallest coefficient of static axis. If the wind load is 1.5kN initiates tipping. find the smallest force P required to tip the tank 58. A Wshape girder is to be used as a bridge crane 1. The total determine the depth of water in the axial load from the pedestal is 1200 kN. Determine the stress of member AB 3. At what angle of plane A-A is the shear the midspan applied at the top flange of the stress maximum? girder. Find the the base plate tension in the cord AB 3. A standard rail weighing 67kg/m will be 60. newtons la St=Sb=4. the linear portion of the stress-strain diagram of section. particle to the length of particle is called causing a weakened plane for subsequent pour 1. shrinkage bottom fibers of the slab at midspan 4. in the [placement of concrete. steel is known as the superimposed ddeadload is 2. pascals law Properties of slab are as follows 2. composite beam prestressed hollow core slab shown 3. flitoh beam . none of the above 66. the law for a mixture of workable consistency states that the strength of concrete is determined by the ratio of water to cement is called 1. water content 2. none of the above eccentricity . none of the above determine 72. it is the measure of the energy release 73. plasticity 4.4kPa. elastic range service loads are 3. focus of an earthquake 4. in concrete materials.5m. creep 3. e=38mm below the centroid of the 69. Determine the resulting stress at the continuously applied load or stress bottom fibers of the slab at L/4 from 1. a slump test is done in order primarily to 5. none of the above place by bolts through the assembly is known 74. compressed and deformed 3. none of the above 5. the accumulation allowable stresses at service loads are of small inert particle of cement and aggregate not to be exceeded. none of the above 3. 70. honeycomb 65. live 1. ductility sandwiched between wood beams and held in 5. modulus of elongation load=2. ratio of the equivalent diameter of a bulky which when it evaporates leaves a thin layer. Consider 20% loss of 5. laitance 3. a beam made up of one or more steel plates 4. sphericity 3.2x105mm2 3. malleability 67. it is the measure of the damage level 1. magnitude of an earthquake 3. porosity is calle d 2. elasticity 5. on the surface caused by an excess of water 64. A building for office use is designed using the 2. none of the above 68. plastic range bearings at L=7. none of these kN/m that the slab can carry if the 71.5 4. intensity of an earthquake 5. epicentre of an earthquake 2. the slab is simply supported on 2. water to cement ratio 4. angularity 1. none of these 4. allowable stresses at 3. sudd 5. focus of an earthquake 1. reinforced beam 4. workability 1. Determine the maximum total load 5. Structural engineering and design construction 2012-2013 zherrinore 63. intensity of an earthquake 2.16x106 mm3 4. epicentre of an earthquake its original size and shape after having been 2. relaxation 2. the gradual deformation of concrete under 1. a test to determine the consistency of freshly as: mixed concrete by measuring the depth of 1. none of the above prestress at service loads.35 kPa.2 MPa in tension and 18. it refers to the tendency of a body to return to 1. Determine teh resulting stress at the 3. locus of yield points Mpa in compression. lap joint 5. fatigue the center of bearings 2. Simpsons law The slab is prestressed with 500kN force at an 5. stucco 4. The weight of the slab is 2.0kPA. magnitude of an earthquake stretched. abrams law A=1. air content 3. celerity 2. determine the following b. static member AC. 2. hookes law d. it corbel is required to determine the horizontal reaction 79. hookes law 82. identify the principle used in equations related at C to the deformation of axially loaded material 2. determine the force in member EJ 3. drip test 2.5m. deep beam 84. pedestal 2. determine the total reaction at B 2. ductility 75. dynamic and B is . ball test 1. for this problem. the coefficient of 1. axial force on member EF 3. youngs modulus 3. kinetic friction 1. for the truss shown. venants principle 1. the ratio of the lateral to the longitudinal strain is constant a. axial force on member DF d. a transmission tower is loaded as shown. if the tension in the tie rod is 1800N. determine the reaction at A a. what do you call the force which determines whether the body will be in equilibrium or will have a varying state of motion? 1. poisons ratio d. creep body at rest? 81. impulse y2=3. impact W at H. a 60# m long ladder weighing 600 N is shown. youngs modulus 78. which structural member has the ratio of its unsupported height to its least lateral dimension of not less than 3 and is used primarily to support axial load 1. member BD passes 3. st. equilibrium 2.2m y3=. poisons ratio b. pig ball test 80. reaction at the roller support c. if W=100N.8m. impulse 1. what do you call the retaining force acting for P that must be exerted at point C to prevent opposite a body in motion? the ladder from sliding. momentum 4. st. that within elastic rrange. hookes law 2.5m and a=. cylindrical test large permanent strains before failure 3. x=2m. constant proportionality that defines assume roller support at A and hinge support t the linear relationship between stress B and strain a. inertia friction between the ladder and the surface at A 2. dynamic through a pin at which is rigidly attached to 4. what property of a material enables it to under 2. determine the total reaction 77. venants principle c. which term refers to the force generated by a 4. none of the above 3. that the deformation of axially loaded members. 1. determine the reaction at A 1. proportional limit 4. it is the 83. resultant 3. youngs modulud c. y1=1. poisons ratio b. static friction hemispherical bottom is called as: 4. st. that the stress is proportional to the what is the load W strain within the elastic region 3. if W=100N. neglect the weight of the beam 76. strain hardening 5. The frame shown in the figure supports a load 1. Structural engineering and design construction 2012-2013 zherrinore penetration of a cylindrical metal weight with a 3. venants principle 2.20 . column 3. calculate the moment at D 2.3m rolls across a 25m span 1. b=200 mm. x1=40mm. shearing stress in the pin at D 3. vertical deflection at B the vertical deflection of concrete? 3.6Fy tension on net area=. Structural engineering and design construction 2012-2013 zherrinore allowable stresses on plate: tension on gross area=. find the value of P based on tension on 3. x2=60mm moment at midspan is zero and y1=60mm. determine the value of P without 90. determine the reaction at B 2. determine the maximum positive allowable shearing stress of 207MPa. determine the following 1. the rigid beam supports a load W at C. vertical deflection at C 86. determine the value of P without exceeding the allowable bearing stress. determine the required force at B net area 85. a precast concrete slab is lifted by four cables as 3. what value of x1 will produce the least critical moment in the beam 91. the bolts are 20mm in diameter A325 bolts with an 1. calculate the shear at D 3. determine the reaction at A yielding 2. determine the tensile force in each cable 2. if each cable deforms by 1mm. unit weight of concrete is 23.5kN/m 4. find the value of P based on gross area 1. calculate the maximum shearing force . the allowable 89. determine the value of x1 if the this problem. a truck with axle loads of 35kN and 105kN on a wheel base of 4. 3. find the value of P based on block shear shown. compute the maximum support reaction 2. a 10 m long beam is simply supported as shown exceeding the allowable shearing stress in the pin 2. a bolted splice connection is shown. what is the tensile stress in each cable if its diameter is 16mm 1.5Fu shear=blockshear=.hole diameter is 22mm. the plates moment when x1=2n are A36 steel with Fy=248 and Fu=400 MPa. find the value of P based on bolt sjear 88. what is 2.3Fu 1. W=22kN. for the pin connection shown. calculate the axial force at D 1. the arched beam AB is subjected to a tensile shearing stress in the pin is 140MPa and the force of T=12kN allowable bending stress between the pin and the plates is 320MPa 1. for 2. # 87. the beam is hinged at A and supported by a steel rod at B. calculate the maximum bending 1. find the nominal axial load capacity of vertical roof loads distributed uniformly along the column the roof surface. the frames are spaced 6m 400mm and carries a service load of 900 kN and service live load 1300kN. determine the reaction at D 2. the frame shown is subjected t the following 2. concrete strength fc’=21 MPa 2. determine the maximum moment capacity of the beam based on 1. use fc’=21Mpa and fy=345MPa 1. what is the required spacing of bars? fc=24 fy=345 97. concrete are 124MPa and 12MPa respectively. A W18x130 beam supports a 100mm thick slab 96. what is the maximum positive moment 2. 98. 3. calculate the maximum service moment and steel yield strength fy=415MPa at the stem per meter length of the wall 3. what is the factored moment at the in DE? critical section for moment 93. a pile cap is shown. the column s 400mm x D.8Pa minimum clear spacing of longitudinal live load=800Pa bars of this column the frame is hinged at A and B and pin connected at 95. the cantilever retaining wall retains soli having a as shown.5. the 800 mmx600mm reinforced concrete between the base and the foundation is column shown is reinforced with twelve 28mm . determine the maximum axial force in member DE 3. Structural engineering and design construction 2012-2013 zherrinore 3. what is the maximum shear in member 1. the width of slab effective as flange is unit weight of 18kn/m^3 and angle of shearing 1. calculate the factor of safety against concrete strength sliding if the coefficient of friction 94. calculate the required footing thickness DE? based on wide beam shear 4. if the stem is to be reinforced with 20mm bars with centroid 85mm from the extreme concrete. determine the maximum moment capacity of the beam based on steel strength 3. determine the location of the neutral axis of the composite section measured from the top of the slab 2. neglect the effects of soil at the right side of the Assume that steel and concrete are well bonded wall together. allowable working stress in steel and resistance of 30°. what is the maximum negative moment 3. calculate the required footing thickness in DE? based on punching shear 5. . centroid main reinforcing bars are located 85mm from the bottom of the footing.8 m. modular ratio n=9 transform concrete to steel 1.6 diameter bars. unit wt of concrete=23. find the location of the plastic centroid moment from the y-axis 92. which of the following gives the dead load=1. Structural engineering and design construction 2012-2013 zherrinore .