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Duraflex CR 30 for Tunnel Shotcreting

Duraflex CR 30 for Tunnel Shotcreting
Duraflex CR 30 for Tunnel Shotcreting
Product Code : 13 Duraflex CR 30
Product Description
Steel Fiber CR 30

Fibre Reinforcement can be used in either the dry or wet process shotcreting to increase the toughness, ductility and impact resistance of in-place shotcrete. There are cases where Fibre Reinforced Shotcrete can replace wire mesh or reinforcing steel. The advantages of doing so are:
  • Substantially less material is required because Fibre Reinforced Shotcrete follows the contours
  • Of the surface providing a uniform reinforced liner
  • Time and money is saved because using Fibre Reinforced Shotcrete eliminated the labour
  • Intensive and at times, unsafe mesh installation step, allowing for immediate application of Shotcrete after excavation
  • Higher quality in place shotcrete because shooting through wire mesh can be very difficult, resulting in honeycombing, poor consolidation, shadowing, embedded rebound and poor bond to the mesh.
  • Steel Fibre is discontinuous, so rebar or wire mesh corrosion is eliminated Compatile with all types of Portland cements. Portland cement admixtures and shotcrete mix designs.
Technical Specification
Length of Fiber (I)
15 to 40 mm
Aspect ratio
30 to 60
Diameter (d)
0.45 to 0.8 mm
Tensile Strength
750 MPa to 1100 Mpa
Appearance and Form
Clear, bright andundulated along the length
ASTM A820 M04 Type I
Material Type
Low Carbon Drawn Wire

D-13/1, MIDC, Behind Anand Marble, Amravati - 444605, Maharashtra, India
Mr. Akash Singhai (Director - Marketing)
Mumbai Office Address :
Regus, Level 13, Platinum
Techno Park, Plot No 17 & 18,
Sector 30, Vashi, Navi Mumbai 400705, India
Pin: 400705
Telefax : 02261818425
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