FRP Anchor Bolt is made of fiber-reinforced polymer composite materials. It is lightweight yet high-strength, corrosion-resistant, anti-aging, non-conductive, and non-magnetic with no electrochemical corrosion. It offers convenient installation, can be cut to custom lengths, provides strong anchoring force, and adapts well to various geological conditions with a long service life. FRP Anchor Bolt serves as an alternative to traditional metal anchors, reducing maintenance costs and adapting to harsh construction environments.
Product Specifications
|
Diameter |
16-32mm |
|
Length |
1.5-12m |
|
Anchorage Force |
≥50KN |
|
Tensile Strength |
≥800MPa |
|
Shear Strength |
≥60MPa |
|
Density |
1.9-2.1g/cm³ |
|
Operating Temperature |
-30-80℃ |
|
Elongation |
≥1.5% |
|
Thread Specification |
Customizable to suit different anchorage depths and geological conditions. |
Manufacturing Process
FRP Anchor Bolt is manufactured using a combination of pultrusion and filament winding processes. It utilizes glass fiber roving as the reinforcing material and epoxy resin as the matrix, with the addition of anti-aging and reinforcing additives. It is formed through pulling, winding, and high-temperature curing, with threads or anti-slip patterns processed on the surface to ensure the anchoring effect. The product leaves the factory only after passing anchoring force and tensile strength testing.
Applications
It is primarily used in applications such as mining, tunnel support, slope protection, foundation reinforcement, and excavation shoring to stabilize rock and soil masses and prevent collapses. It is suitable for various construction scenarios-including coal mines, metal mines, and highway or railway tunnels-and is particularly well-suited for corrosive or damp underground environments.
FAQ
Q: What is the service life of FRP Anchor Bolts?
A: As they do not rust, their lifespan in corrosive conditions far exceeds that of steel bolts, significantly reducing replacement frequency and maintenance costs.
Q: Is installation complex? Is special equipment required?
A: The installation process is the same as that for conventional bolts; however, their light weight makes handling and operation less strenuous. Standard equipment is sufficient for cutting; no specialized tools are needed.
Q: What export documents can be provided?
A: Certificates of analysis/conformity, insurance policies, certificates of origin, and other documents required for customs clearance can be provided.
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