2-3 Schöepf

Design and Constructionof Rock Socketed Piles in Land Conditions Manfred Schöpf BAUER Maschinen GmbH Schrobenhausen Workshop Deep Foundation Technologies for Infrastructure Development in India November 14, 2013, IIT Bombay Campus, MUMBAI © BAUER Maschinen GmbH, D-86529 Schrobenhausen Agenda Design aspects • Reference to international standards Plant and Equipment Effective use of drilling tools Project references Productivity Logistics aspects Health and safety features Automation © BAUER Maschinen GmbH, D-86529 Schrobenhausen 2 1 Bangalore Metro Text Typical bore log © BAUER Maschinen GmbH, D-86529 Schrobenhausen 3 Depth-Time diagram Pier P 354 other drilling rig © BAUER Maschinen GmbH, D-86529 Schrobenhausen 4 2 Questions  How to avoid unefficient work drilling depth too deep because of rig power (Example 1) using chisel for rock socketing (Example 2) using „combined“ system to save expensive drill rig (Example 2)  Definition of termination criteria for rock socket with rotary drilling rig 2 1 © BAUER Maschinen GmbH, D-86529 Schrobenhausen 5 Design German practice • Every structure has to be classified in Geotechnical Categories GC GC 1 – GC 3 • for GC 2 – GC 3 a geotechnical expert has to decide if base pressure alone or base pressure + shaft resistance can be assumed • based on soil report decision cannot be made by piling contractor • pile design can be made on the basis of empiric values DIN 1054: 2010-12 Baugrund – Sicherheitsnachweise im Erd- und Grundbau EA–Pfähle (2012) Empfehlungen Arbeitskreis „Pfähle" der DGGT e.V. © BAUER Maschinen GmbH, D-86529 Schrobenhausen 6 3 Design – Experience values in German Code unconfined compressive strength quk (MN/m²) base resistance (MN/m²) ultimate shaft resistance (MN/m²) 0,50 5,00 20,00 1,50 5,00 10,00 0,08 0,50 0,50 Table B.5 — Pile base resistance qb,k and shaft resistance qs,k in rock (DIN 1054-2005) © BAUER Maschinen GmbH, D-86529 Schrobenhausen 7 Design – Experience values in German Code unconfined compressive strength quk (MN/m²) base resistance (MN/m²) ultimate shaft resistance (MN/m²) 0,50 5,00 20,00 1,50 – 2,50 5,00 – 10,00 10,00 – 20,00 0,07 – 0,25 0,50 – 1,00 0,50 – 2,00 Range of experience values for Pile base resistance qb,k and shaft resistance qs,k in rock (EA Pfähle 2012) © BAUER Maschinen GmbH, D-86529 Schrobenhausen 8 4 57 MN friction qsk = 0.0 Qall= 1. D-86529 Schrobenhausen 10 5 .5 MN/m² Rbk = 1. ult.8 3. rock UCS = 0.= 2 © BAUER Maschinen GmbH.5 MN/m² highly weath.5 = 1.S.4 4.07 MN/m² Rsk = 0. = 3.5xQrg+0.2 [MN] Qall= 1.05 MN/m² Rsk = 1.7MN 1 2 2. D-86529 Schrobenhausen 9 Design – German Practice simplified example (for soil) 0.4 MN © BAUER Maschinen GmbH.2 2.1xØ = 10 cm 9 10 [cm] F.4 srg = 0.3MN 3 4 5 6 7 8 sg = 0.5 MN/m² friction qsk = 0 Rsk = 0 friction qsk = 0.Design – German Practice simplified example (for soil) empiric values DIN tables Ø1m 3 10 3 Fill Sand q (CPT) = 7.67 MN base qbk = 1.17 MN Rtot.6 cm 1. ASD more stringent requirements such as: Minimal socket length 0. Additional: Civil Engineering Development Departments (CEDD). They all follow in principle the codes of BD. Normally a factor of safety of 3 is applied.2) Allowable bearing capacity for non-driven piles shall be determined by: Rational Design Method:  interpretation of the results of the site investigation  assessment of test results […]  analysis based on the laws of physics and recognized engineering principles. D-86529 Schrobenhausen 11 Design – Hongkong Practice (Clause 2.1 for allowable vertical bearing pressure Table 2. Presumed values  allowable capacity may be taken as presumed values derived from empirical correlations Table 2.Design – Hongkong Practice „The Code of Practice for Foundation“ (Building Department – BD) for all private structures Housing Department or Architectural Service Department (ASD) for all public structures.6 m Pile resistance only in base © BAUER Maschinen GmbH.2 for allowable friction between rock and concrete © BAUER Maschinen GmbH. D-86529 Schrobenhausen 12 6 . moderately strong to moderately weak rock GRADE IV. D-86529 Schrobenhausen 14 7 .000 1 (d) Moderately decomposed.000 1 (b) Fresh to slightly decomposed strong rock GRADE II > 95% total core recovery minimum uniaxial compressive strength 50 MPa 7. moderately strong to moderately weak rock GRADE IV.000 BD 2004 Table 2. D-86529 Schrobenhausen 13 Design – Hongkong Practice Presumed allowable friction for piles Category Rock (granites & volcanics) Presumed friction (kPa) 1 (c) Slightly to moderately decomposed moderately or better strong rock GRADE III > 85% total core recovery minimum uniaxial compressive strength 25 MPa 1 (d) Moderately decomposed.2 © BAUER Maschinen GmbH.Design – Hongkong Practice Presumed allowable vertical bearing pressure Category Rock (granites & volcanics) Presumed bearing pressure (kPa) 1 (a) Fresh strong to very strong rock GRADE I 100% total core recovery. no weathered joints minimum uniaxial compressive strength 75 MPa 10. > 50% total core recovery 700 300 under compression or transient tension BD 2004 Table 2. > 50% total core recovery 3.500 1 (c) Slightly to moderately decomposed moderately strong rock GRADE III > 85% total core recovery minimum uniaxial compressive strength 25 MPa 5.1 © BAUER Maschinen GmbH. earlier termination can be reached by a „specific alternative proposal“ or based on pile test results Australia no general criteria.5 MPa 0.5 m © BAUER Maschinen GmbH.5 MN/m² 0.5 m 0.2) Grade I (UCS >75 Mpa) Grade II (UCS >50 Mpa) Grade III (UCS >25 Mpa) 0. diameter. 1 Ø UK Australia no values stated India (IRC 78-2000) UCS >12. socket length (m) Germany (EA Piles) quk ≥ 5 MN/m² quk ≤ 0. 2. if rock is harder than stated in SI: check condition with geotechnical consultant with possibility of  modifying pile design (bigger diameter.5 m 0.3 m 0.6 m (ADS 2012) USA (IBC 2009) min. ability of operator!!!) UK and Hongkong no general criteria © BAUER Maschinen GmbH.5 – 12. D-86529 Schrobenhausen 16 8 . rule of thumb (not backed up in codes: terminate if progress < 100 – 300 mm/h Comment: dangerous as general rule (rock condition. 2 piles instead of one)  increasing bearing values with resulting shorter socket length USA no general criteria. type of drilling system. D-86529 Schrobenhausen 15 Design – Termination Criteria Germany no criteria in code.5 Mpa UCS 2.2.5 m 2.6 m 1.Design – Minimum socket length Comparison of international codes Country Condition min.5 m Hongkong (BD 2004. 60% actual HP may vary from rig to rig efficiency ±10% during operation Efficiency hydraulic system © BAUER Maschinen GmbH. D-86529 Schrobenhausen 18 9 .Design – Termination Criteria India „Pile termination criteria as a quality control tool in rocks“ IRC: 78-2000 (established initially for driven piles) For bored piles: Basis of consideration Pile Penetration Ratio (PPR) PPR = (2π*n*T*t) / (A*P) and HP (of rig) = (2π*n*T) / 4. S. D-86529 Schrobenhausen 17 Design – Termination Criteria India Results of formulae are only reliable if the input data are created in a reproducible manner with standardized procedures and components.5 Ganpule (2005) Dr. Basarkar Comments of an equipment manufacturer and foundation engineer © BAUER Maschinen GmbH. Engine power: only valid for one specific rig rated power = theoretic value actual efficiency: 30% . D-86529 Schrobenhausen 19 Termination criterion – Visual inspection gravel. status of wear not standardized or normalized Operator: „human factor“. pebbles. cobbles rock cuttings only indicative – requires geotechnical expert´s approval © BAUER Maschinen GmbH. qualification rough or smooth operating style T n © BAUER Maschinen GmbH.Design – Termination Criteria India Results of formulae are only reliable if the input data are created in a reproducible manner with standardized procedures and components. Influence of tool: type of tool. D-86529 Schrobenhausen 20 10 . D-86529 Schrobenhausen 21 Development – Drilling depth 1.overlap A © BAUER Maschinen GmbH. winch Crowd winch (reeved) Drilling tools type and dimensions variable depends on soil and pile design 170 – 600 kN 40 – 170 kN 200 – 600 kN Base carrier on crawlers Engine Hydraulic station Controls electronic hydraulic © BAUER Maschinen GmbH.Drill rig BG Main components Kelly bar 3 – 4 parts (telescopic) carries drilling tool transfer M and V Mast torsion resistant Extensions Mast head Connection base carrier Rotary drive (KDK) slides vertically on mast M = 120 – 500 kNm Winches Main winch Auxil. D-86529 Schrobenhausen 22 11 . Kelly bar Depth = 3 – 4 x A . D-86529 Schrobenhausen 12 .4 part kelly bar • practical depths: 80 m with 4 part kelly bar • not lockable • standard 5 fold kelly bar (reduced torque) • max depths: 100 -110 m Mechanical interlock Friction surface © BAUER Maschinen GmbH.Bauer Kelly System Interlocking Kelly Bar Friction Type Kelly Bar • standard 3. D-86529 Schrobenhausen 23 Rock Drilling Tools for BG Rigs 24 © BAUER Maschinen GmbH. gravel. D-86529 Schrobenhausen 25 Kelly Drilling Penetrating rock layers or cemented layers with core barrel © BAUER Maschinen GmbH.Kelly Drilling Drilling with auger in dry soil (typical sand. weathered rock) © BAUER Maschinen GmbH. D-86529 Schrobenhausen 26 13 . clay. gravel. D-86529 Schrobenhausen 27 Kelly Drilling ? What tools for socketing into rock? © BAUER Maschinen GmbH. D-86529 Schrobenhausen 28 14 . clay. weathered rock) © BAUER Maschinen GmbH.Kelly Drilling Drilling with bucket below groundwater level (typical sand. D-86529 Schrobenhausen 29 Rock Augers moderately strong to strong not laminated rock (10 – 100 MPa) uncased bores or for bigger diameters Single cut auger with pilot bit Tapered auger very dense sand and gravel. weak rock up to 20 MPa very good for pile walls Double cut auger without pilot bit moderately weak to moderately strong rock (5 – 50 Mpa) very suitable in fractured rock © BAUER Maschinen GmbH. D-86529 Schrobenhausen 30 15 .Kelly Drilling – Selection of tools © BAUER Maschinen GmbH. D-86529 Schrobenhausen 32 16 . D-86529 Schrobenhausen 31 Tools – Suitability of teeth types BG operation Excavator operation 3.Drill buckets © BAUER Maschinen GmbH.dimensional movement 2.dimensional movement © BAUER Maschinen GmbH. Tools – Flat teeth Why special BG Flat Teeth? Bauer Flat Tooth Standard Flat Tooth • variable cutting angle • adaption to soil condition possible • tooth holder turnable • fixed cutting angle • no adaption to soil condition • tooth holder allows a fix position only © BAUER Maschinen GmbH. D-86529 Schrobenhausen 34 17 . D-86529 Schrobenhausen 33 Tools – Flat teeth steep angle for hard soil conditions flat angle for soft soil conditions © BAUER Maschinen GmbH. D-86529 Schrobenhausen 36 18 .Tools – Positioning of flat teeth center of each tooth is located on an exact reference circle on the tool ● bearbeiten ● ● midth of cutting shape creates an 90° angle with tangential line reference circle elongation of cutting edge to run through the center © BAUER Maschinen GmbH. D-86529 Schrobenhausen 35 Tools – Positioning of flat teeth correctly positioned teeth result in: • complete cutting edge is working homogeneous wear and tear • outside teeth transfer soil into bucket optimal filling of bucket • outside teeth create annulus reduction of friction © BAUER Maschinen GmbH. Tools – Positioning of flat teeth unfavourable setting of teeth (example FZ 80) elongination of cutting edge does not guide through center of tool inhomogeneous wear and tear © BAUER Maschinen GmbH.30° cutting angle inclination to ensure rotation © BAUER Maschinen GmbH. D-86529 Schrobenhausen 37 Tools – Round shank chisel („bullet teeth“) exact three dimensional positioning of the round shank chisel is essential for a proper function of this tool !! 8° . D-86529 Schrobenhausen 38 19 . D-86529 Schrobenhausen 39 Rock Drilling with Kelly New bullet tooth Used bullet tooth • Used in abrasive soil • Bullet tooth did not turn • Tungsten carbide not worn • Holder is probably destroyed © BAUER Maschinen GmbH.Tools –Round shank chisel positioning side inclination of chisel to ensure rotation homogeneous wear at chisel increased lifetime of chisel 39 © BAUER Maschinen GmbH. D-86529 Schrobenhausen 40 20 . in order to create an uniform annulus 4 3 2 1 © BAUER Maschinen GmbH.Core barrel © BAUER Maschinen GmbH. D-86529 Schrobenhausen 42 21 . D-86529 Schrobenhausen 41 Core barrel 2 3 1 1 4 round shank chisel with up to four different positions. D-86529 Schrobenhausen 44 22 .Roller bit core barrel Suction pipe © BAUER Maschinen GmbH. D-86529 Schrobenhausen 43 Roller bit core barrel pressurized air flush head pressurized air compressor lockable kelly bar roller bit core barrel © BAUER Maschinen GmbH. Roller bitder core barrel Ziele Bodenverbesserung Destroying of core rock auger OR cross-cutter © BAUER Maschinen GmbH. D-86529 Schrobenhausen Cross-Cutter © BAUER Maschinen GmbH. D-86529 Schrobenhausen 46 23 . ZAP/ Singapore 48 Drilling Rig: BG 40 Drilling depth: 45 m Drilling Diameter: 1350 mm Drilling system: Kelly.Dura/ South Africa Drilling Rig: BG 36 Drilling depth: 25 . uncased Rock strength: 250 mpa © BAUER Maschinen GmbH.45 m Drilling Diameter: 1.Rock Drilling with Kelly BG 36 # 1366 . uncased Rock strenght: 250 .350 mpa Performance: 25 cm/ h © BAUER Maschinen GmbH. D-86529 Schrobenhausen 47 Rock Drilling with Kelly BG 40 # 988 . D-86529 Schrobenhausen 48 24 .350 mm Drilling system: Kelly. D-86529 Schrobenhausen Full Face Cutter Project reference Finland Bored piles for bridge foundation Diameter: 1500 mm Pile length: 6 -25 m inclined piles 6° dipping level of bedrock strength: > 150 Mpa increasing with depth socket length: 1-3 m © BAUER Maschinen GmbH.Roller bit tools with air flushing Casing drive adapter Kelly bar Flushing head Advantage Disadvantage • easy adaption • rock strength up to 250 MPa • little air consumption • Ø 780 – 1800 mm • quick discharge (FFC) • solid rock required • water needed • high crowd force required • not suitable for boulders Full face cutter Full Face Cutter FFC Roller bit core barrel 49 © BAUER Maschinen GmbH. D-86529 Schrobenhausen 50 25 . D-86529 Schrobenhausen Rock Drilling How to cope with boulder and Granite? 0m Fill 3m Boulders 100 MPa Typical project Diameter 1500 mm Boulders from 3 to 23 m Rock socketing in Granite Options 10 m Sand and boulders • Conventional tools? No • Roller bit tools? No Solution • Multi single down the hole hammer 23 m Granite 250 MPa © BAUER Maschinen GmbH. 30 t 51 © BAUER Maschinen GmbH. 60 t vertical pressure available approx.6 m/h vertical pressure required approx.0 drilling progress [cm/min] 0.2 m socket length => 2 hours average advancement 0.5 1. D-86529 Schrobenhausen 52 26 .5 1.Full Face Cutter Project reference Finland 0.5 socket length [m] • • • • 1.0 1.5 1. MHD – Cutting edge technique for rock 53 © BAUER Maschinen GmbH. D-86529 Schrobenhausen Rock Drilling How to cope with boulder and Granite? Typical project 0m Fill 3m Diameter 1500 mm Boulders from 3 to 23 m Boulders Rock socketing in Granite 100 MPa 10 m Sand and boulders 23 m Granite 250 MPa Watch the boulders laying in soft spots © BAUER Maschinen GmbH. D-86529 Schrobenhausen 54 27 . No impact into the rotary drive or Kelly bar 3. D-86529 Schrobenhausen 55 MHD – Cutting edge technique for rock Key advantages 1.360° Chippings get flushed upwards View into Calyx Basket Advantage: No Air swivel required! © BAUER Maschinen GmbH. Uniform hammer and bits for every diameter Economical bit costs © BAUER Maschinen GmbH. D-86529 Schrobenhausen 56 28 . Dry boreholes are most suitable 6. Boulders any size can be drilled 4.MHD – Cutting edge technique for rock +/. Rock up to 300 MPa and above 5. Can be attached to Kelly bar (no drill pipes required) 2. D-86529 Schrobenhausen 57 Multi Hammer Drill – Case study PROJECT: Hot Rolling Processing Facility. Pittsburgh.6 m/h) © BAUER Maschinen GmbH. 1.9 m/h BAUER BG – 36 and BG – 40 installing 19m of 1080 mm Segmental Casing © BAUER Maschinen GmbH.Multi Hammer Drill – Case study secant pile wall Quantity Depth Rock socket 135 no / dia 1180 mm 25 m Fully cased to 18 m 7 m in Sandstone 150 . PA DIMENSIONS: 128 Holes / dia 1067 mm 19m Overburden 7m Rock Socket (UCS > 150 MPa EQUIPMENT: Calweld Rotary Attachment and Flushing Air Kelly Performance in rock: 2.170 MPa Performance MHD 7 m rock drilling 2 h 20 min (3 m/h) including emptying calyx basket Wear and tear maintenance after 120 m rock exchanged bits and chucks Comparison secondary piles (with concrete overcut) with rock auger on BG 40.20 m in 2 hours (0. D-86529 Schrobenhausen 58 29 . D-86529 Schrobenhausen 60 30 . it is possible • MHD does not require high crowd force • Start with little crowd force until bottom is flattened • Good indicator is the air pressure Dipping rock © BAUER Maschinen GmbH. it is possible The hydrostatic pressure must be considered when chosing air compressors High pressure air compressor required for water depth > 12m • © BAUER Maschinen GmbH. D-86529 Schrobenhausen 59 MHD – Cutting edge technique for rock Limitations • DRILLING UNDER WATER? • • Yes.MHD – Cutting edge technique for rock Limitations MHD Only this one is working These 2 do not exhaust the air casing • DRILLING DIPPING ROCK SURFACE? • Yes. if there is no casing! • use segmental casings or even a casing liner (no bentonite in the borehole) © BAUER Maschinen GmbH. Malaysia 2013 © BAUER Maschinen GmbH. D-86529 Schrobenhausen 61 Project Reference – BG 38 KL MRT Piling Project. the standard MHD cannot be used under bentonite slurry.MHD – Cutting edge technique for rock Limitations • DRILLING UNDER BENTONITE • No. D-86529 Schrobenhausen 62 31 . D-86529 Schrobenhausen 64 32 . D-86529 Schrobenhausen 63 Project Reference – Rock KL MRT Piling Project. Malaysia 2013 KR-R 900 for pilot hole drilling © BAUER Maschinen GmbH. Malaysia 2013 Ordinary sandstone Sandstone with quartzite 3 piles during site visit. © BAUER Maschinen GmbH. all hit the sandstone with quartzite from 4m down to 12~14m! Estimated rock strength exceeds 150 MPa.Project Reference – Rock KL MRT Piling Project. 8 m G.Rama Krishna L&T-ECC Division © BAUER Maschinen GmbH.L.: Pile diameter: Pile depth: BK 36/3 2.1km long + ramps 6 lane highway 263 nos. pilot holes KR-R 900 break remaining rock on the left and right KR-R/KR-X 1500 then enlarge step by step KR-R/KR-X1800. -8.K.0m: rock auger Net drill time: 34. D-86529 Schrobenhausen 65 Project Reference Stonecutter Bridge Hongkong East Tsing Yi Viaduct 1. -18.6 hrs G. Malaysia 2013 Pile no.0m to G.L.0m to G. 1500mm and 2000mm depth up to 80m and rock socket 5m to 8m Courtesy: Bauer Construction Malaysia Dr.800 mm 18. of bored piles dia.S. KR-R/KR-X 2800 © BAUER Maschinen GmbH. -8.Project Reference – Work sequence KL MRT Piling Project.L 0. D-86529 Schrobenhausen 66 33 .L.8m 2800 4 nos. D-86529 Schrobenhausen 68 34 . D-86529 Schrobenhausen 67 Project Reference – Rock cores Stonecutter Bridge Hongkong Solid rock core recovered on Stonecutter Approach Viaducts © BAUER Maschinen GmbH. loose to medium dense (with obstruction in form of seawalls)     Marine clays soft Alluvium Decomposed granite with boulders Granite bedrock GI-GIII UCS 100-200 Mpa © BAUER Maschinen GmbH.Project Reference – General soil profile Stonecutter Bridge Hongkong  Reclaimed sand. of Bauer BG 40 rigs were used Production equivalent to 2.Project Reference – Performance Stonecutter Bridge Hongkong  263 nos. D-86529 Schrobenhausen 70 35 . of Bored Piles with extensive rock drilling were completed in 9 months    4 nos. D-86529 Schrobenhausen 69 Project Reference – Quality control Stonecutter Bridge Hongkong Hong Kong has one of the most stringent pile testing regimes   100% predrilling prior to pile drilling     100% Sonic Logging 100% verticality check. 10% verticality check by Koden or as per Specifications 100% Interface Full core of pile 5% to 10% depending on Specifications Material testing such as cube crushing and Rebar Tensile Test as per Specifications © BAUER Maschinen GmbH.5 days per pile and rig Rig output was doubled compared to conventionally production of RCD-Drilling Rigs © BAUER Maschinen GmbH. Project Reference – Interface cores Stonecutter Bridge Hongkong © BAUER Maschinen GmbH. D-86529 Schrobenhausen 72 36 . D-86529 Schrobenhausen 71 Logistics – Preparation of working platform  flat and stable platform required  if soft surface conditions – use steel plates or similar  rig is top-heavy => careful movements => beware of badly covered open holes or soft backfill => avoid inclined hoist  housekeeping – for safety reasons and for economy reasons © BAUER Maschinen GmbH. D-86529 Schrobenhausen 74 37 . D-86529 Schrobenhausen 73 Logistics – „Housekeeping“ at pile location where is the borehole?? clean with good slurry management => unsafe and inefficient operation => safe and economic operation © BAUER Maschinen GmbH.Logistics – Working platform BAD INSUFFICIENT BACKFILL © BAUER Maschinen GmbH. D-86529 Schrobenhausen 76 38 . D-86529 Schrobenhausen 75 Logistics – Selection of rig type confined space small diameter limited number of piles => smaller rig sufficient work space large. deep piles big number of piles => larger rigs © BAUER Maschinen GmbH.Logistics – Planning of work sequence finished pile next pile traffic road work area work direction drill spoil traffic road finished pile next pile traffic road work area work direction drill spoil traffic road © BAUER Maschinen GmbH. D-86529 Schrobenhausen 77 Logistics . D-86529 Schrobenhausen 78 39 .Logistics .BG kinematic system (V-System) ∆H L © BAUER Maschinen GmbH.BG kinematic system (V-System) Criteria of mast connection system: • • • developed by Bauer 2 big backstay cylinders stiff and sturdy load transfer for optimum flow of forces (torque!) typically used for rigs with high torque © BAUER Maschinen GmbH. Logistics.Transport (V-System) © BAUER Maschinen GmbH.BG kinematic system (H-System) Backstay Cylinder Kinematics Triangle Support Boom Boom Boom Cylinder 3 Connecting Points with base frame © BAUER Maschinen GmbH. D-86529 Schrobenhausen 79 Logistics . D-86529 Schrobenhausen 80 40 . BG kinematic system (H-System) Transport position © BAUER Maschinen GmbH. D-86529 Schrobenhausen 82 41 . D-86529 Schrobenhausen 81 Logistics .BG kinematic system (H-System) © BAUER Maschinen GmbH.Logistics . D-86529 Schrobenhausen 84 42 . D-86529 Schrobenhausen B-Tronic screen Mast inclination and positioning Winches and Crowd info Kelly visualization: Locking position Visualization of the borehole and the Kelly bar © BAUER Maschinen GmbH. economy and comfort 83 © BAUER Maschinen GmbH.Modern cabin increases safety. D-86529 Schrobenhausen 86 43 . D-86529 Schrobenhausen Bauer data host 85 B-Report – Analysis of pile production time © BAUER Maschinen GmbH.B-Tronic – a fully integrated system USB-Stick PC equipment B-Report Browser files B-tronicscreen machine control DTR Internet Bauer customer centre BauerWeb-BGM © BAUER Maschinen GmbH. D-86529 Schrobenhausen 87 Safety – Fall protection (“Working at height”) Catwalk on uppercarriage Catwalk around the base carrier © BAUER Maschinen GmbH. Step: NO OK Indication of safe and critical work ranges => Operator has to react 2. D-86529 Schrobenhausen 88 44 .Safety – „Handling Assistant“ 1. Step: ! Electronic control reacts => Operator controls © BAUER Maschinen GmbH. Back View 2.Emissions reduction © BAUER Maschinen GmbH. Right hand side Automatic view when when slewing or travelling © BAUER Maschinen GmbH. D-86529 Schrobenhausen 90 45 .Safety – Camera controls Cameras: 1. D-86529 Schrobenhausen 89 Environment .