Brand:GTI ROCK BOLT
MOQ:1000
FRP ROCK-BOLT(FRP)
Suitable for Crumbling Soils.
Thread over all length.
Maximum bondage with grouting material.
High Flexibility can be set in confined locationsin tunneling and mining sites.
Corrosion Resistance for durable and permanentsupport.
High Tensile Strength, High load bearingcapacity.
Low Weight only 25% of steel bolts, Reducingtransportation costs, facilitating handling problems.
High Radial pressure Resistance: suitable forinjection of epoxy Resins and cementicious grout.
Comprehensive system : Matching components, such asdrill bits, joining and grouting sleeves.
High Torsional strength Suitable for rotarydrilling, ideal for use In soft rock, loose and disturbed rockformations.
SPECIFICATION | HOLLOW ROCK-BOLT | SOLID ROCK-BOLT |
Thread outside diameter | 25.0mm 0.4/-0.6mm | 25.0mm 0.4/-0.6mm |
Tube inside diameter | 11.8mm 0.2/-0.2mm | — |
Thread inside diameter | 22.5mm 0.4/-0.4mm | 22.5mm 0.4/-0.4mm |
Thread pitch | 10.0mm 0.2/-0.2mm | 10.0mm 0.2/-0.2mm |
Unit Weight | 630 g/M 50/-0 g/M | 880 g/M 40/-0 g/M |
Length | 3M,4M,6M,8M 20/-0mm | 3M,4M,6M,8M 20/-0mm |
Fiber-Glass Contend | 80% 3/-3% | 80% 3/-3% |
Mechanical properties |
|
|
Breaking load | 25 MT (min) | 32 MT (min) |
Breaking load at 100mm steel Nut | 18 MT (min) | 18 MT (min) |
Bending strength | 27 kg/mm2 (min) | 45 kg/mm2 (min) |
Elastic modulus | 3,300 kg/mm2 (min) | 3,500 kg/mm2 (min) |
Torsion strength | 6 kg-M (min) | 9 kg-M (min) |
Internal pressure | Test pressare:50 kg/cm2 Time:5 min | — |
FRP ROCKBOLT
