Glassfiber hollow grouting mining rock bolts
USD $0.1 - $10 /Meter
Min.Order:1 Meter
Jining Bafang Mining Machinery Co., Ltd.
Specification: dia. 10-50mm
Length: can be 18m per rod
Full thread GRP bolts, perfect thread fiberglass anchor bolt
Grp Anchor Rock Bolts Used In Underground Mining
1 The percentage of glass fiber: ≥80%
2 Tensile strength: ≥800N/mm2
3 Elasticmodulus: ≥37000 N/mm2
4 Breaking Extensibility: ≥2.5%
5 Bearing capacity of screw thread: ≥14KN/thread
6 Shear strength: ≥120Mpa
Modal | Diameter /mm | Bearing capacity of screw thread /kN | ||
FHJ-17 | 17 | 140 | 650 | 50 |
FHJ-20 | 20 | 180 | 620 | 80 |
FHF-25 | 25/10 | 185 | 510 | 80 |
FHF-32 | 32/15 | 285 | 480 | 120 |
FEATURES AND ADVANTAGES:
l Light in weight (1/4th weight of steel rebar)
l High strength to weight ratio
l High corrosion resistance
l Fire retardant
l No electrical conductivity
l Lower maintenance cost
l Lower transportation fee
l Easy cutting
l Proper bonding to concrete
l Good thermal insulation
l Able to Mold into Complex Shapes
APPLICATION FIELDS:
Glassfiber hollow grouting mining rock bolts
Based on features above, FRP rebar appears to be promising alternative to steel reinforcement in concrete structures such as marine structures, parking structures, bridge decks, highway under extreme environments, subway tunnel ,airport construction,Waterway Engineeringand structures highly susceptible to corrosion and magnetic fields.