kasturi metals composites p ltd
TRANSCRIPT
Steel Fiber Project and Clients
IOCL Panipat Refinery IOCL Panipat Refinery Larsen and Turbo Ltd, DelhiLarsen and Turbo Ltd, Delhi
Hyundai Mobis Ltd Hyundai Mobis Ltd Consolidated Construction Company Ltd, ChennaiConsolidated Construction Company Ltd, Chennai
Avardi Vehicle Factory Avardi Vehicle Factory Military Engineering Services, HyderabadMilitary Engineering Services, Hyderabad
Ahmednagar Vehicle Factory Ahmednagar Vehicle Factory Military Engineering Services, NagarMilitary Engineering Services, Nagar
Teesta Urja III HEP, SikkimTeesta Urja III HEP, Sikkim Sew Constructions Ltd, HyderabadSew Constructions Ltd, Hyderabad
Bandra Worli Sea LinkBandra Worli Sea Link Hindustan Construction Company Ltd, MumbaiHindustan Construction Company Ltd, Mumbai
Kameng Hydro Electric Project, Arunachal Kameng Hydro Electric Project, Arunachal PradeshPradesh
Patel Engineering LtdPatel Engineering Ltd
Rampur Hydro Electric Project, HMRampur Hydro Electric Project, HM Gammon India Ltd, MumbaiGammon India Ltd, Mumbai
Chettinad Cement WorksiteChettinad Cement Worksite Chettinad Builders Private Limited, CoinbatoreChettinad Builders Private Limited, Coinbatore
Teesta Urja III HEP, SikkimTeesta Urja III HEP, Sikkim Navayuga Engineering Company Ltd, HyderabadNavayuga Engineering Company Ltd, Hyderabad
Teesta Urja III HEP, SikkimTeesta Urja III HEP, Sikkim Abir Infrastructures Pvt Ltd, NoidaAbir Infrastructures Pvt Ltd, Noida
Teesta Urja III HEP, SikkimTeesta Urja III HEP, Sikkim Coastal Projects Pvt Ltd, SiliguriCoastal Projects Pvt Ltd, Siliguri
Singoli Bhatwari HEPSingoli Bhatwari HEP Larsen and Toubro LtdLarsen and Toubro Ltd
Chuzachen Hydro Electric ProjectChuzachen Hydro Electric Project Coastal Projects Pvt Ltd, Coastal Projects Pvt Ltd,
Ready Mix ConcreteReady Mix Concrete Zuari Cement Ltd, APZuari Cement Ltd, AP
Punatsangchuu-I Hydro Punatsangchuu-I Hydro Electric Project, Electric Project, BhutanBhutan
Gammon India LtdGammon India Ltd
Ranjit Hydro Electric Ranjit Hydro Electric ProjectProject
Gati Infrastructures and Projects LtdGati Infrastructures and Projects Ltd
Teesta VI HEP, SikkimTeesta VI HEP, Sikkim Hindustan Construction Company Ltd,Hindustan Construction Company Ltd,
Teesta VI HEP, SikkimTeesta VI HEP, Sikkim Lanco Infratech LtdLanco Infratech Ltd
Padur Underground Cavern Padur Underground Cavern – ISPRL– ISPRL
SKE&C KCT JV LtdSKE&C KCT JV Ltd
Mangalore Underground Mangalore Underground Cavern – ISPRLCavern – ISPRL
SKE&C KCT JV LtdSKE&C KCT JV Ltd
Steel Fiber Projects and Clients
EFFECTS OF FIBER REINFORCEMENTEFFECTS OF FIBER REINFORCEMENT
Resistance to crack propagation due to plastic and drying Resistance to crack propagation due to plastic and drying shrinkage.shrinkage.
Increased impact and abrasion resistance.Increased impact and abrasion resistance. Increased tensile, flexural, and fatigue strength. Increased tensile, flexural, and fatigue strength. Resistance to thermal and moisture stresses. Resistance to thermal and moisture stresses. Increased ductility.Increased ductility. Joint StabilityJoint Stability
• Narrower joint widthNarrower joint width
• Shear load transferShear load transfer
Shear CapacityShear Capacity
MIXING OF STEEL FIBERSMIXING OF STEEL FIBERS
Steel fibers must be introduced at a constant/uniform Steel fibers must be introduced at a constant/uniform rate while the drum is revolving at mixing speed. rate while the drum is revolving at mixing speed.
The steel fibers may be introduced along with the The steel fibers may be introduced along with the conventional ingredients as long as they are fed at a conventional ingredients as long as they are fed at a constant/uniform rate. constant/uniform rate.
The drum should continue to rotate at mixing speed for The drum should continue to rotate at mixing speed for approximately three (3) minutes after all of the steel approximately three (3) minutes after all of the steel fiber has been added to the drum.fiber has been added to the drum.
Finishing of SFRCFinishing of SFRC
Arranging mechanical vibration on the surface of Arranging mechanical vibration on the surface of the slabthe slab
The mechanical vibrations will embed the steel The mechanical vibrations will embed the steel fibers within the plastic concrete, and will fibers within the plastic concrete, and will prevent fibers sticking out of the surface:prevent fibers sticking out of the surface:
VV Wire MeshWire Mesh• 3 Dimensional Reinforcement
• Always placed correctly
• Reinforces against shrinkage cracking.
• Reduces Bleeding & Settlement.
• Improves Impact & Abrasion Resistance.
• Provides Shatter & Spalling Resistance.
• Reduces Permeability
• Improves Freeze/Thaw Resistance.
• Provides Resistance to Explosive Spalling.
• Induced Joints recommended at 6m centres.
• 2 Dimensional Reinforcement
• Difficult to place correctly
• Controls Cracks once they have occurred
• Induced Joints recommended at 10m centres.
STEELSTEEL FIBRESFIBRES
Recommendations to MAN InfraRecommendations to MAN Infra
Dia (mm)Length Aspect Ratio Tensile Strength Dia Length Aspect Ratio Tensile Strength Model
HK6550 0.65 50 mm 77 > 1050 Mpa 0.75 60 80 > 1050 Mpa RC 80/60HK 0750 0.7 50 mm 70 > 1100 Mpa 0.9 60 65 >1100 Mpa RC 65/60 BN
Duraflex Dramix