FRP rock bolt is a very popular support tool. It is composed of fiberglass resin anchor body and anchor plate. It is widely used in coal mine roadway, mine support, underground tunnel engineering support and other scenarios.

FRP rock bolt can solve the limitations of metal anchors. They are made of glass fiber and reinforced resin through pultrusion and winding to form a rough surface or fully threaded anchor body. From the actual use effect, the support of FRP rock bolt has the following advantages :

1. Low input cost

The FRP rock bolt is lighter in quality and convenient in transportation, which can reduce the investment of roadway support materials in transportation and reduce the support cost during coal mining. In addition, the FRP rock bolt can penetrate deep into the surrounding rock mass without occupying the cross section of the roadway, which also reduces the cost of tunneling. In addition, the stability of the FRP rock bolt support is better, and the maintenance and maintenance of the roadway is less to reduce the maintenance cost of the project.

2. Convenient use efficiency

Due to the small quality of the FRP rock bolt, transportation time is saved, the transportation speed of related materials is accelerated, and the efficiency of the entire project is improved. In coal mining operations, the operation is relatively simple, the cutting is convenient and no sparks are generated, the labor intensity of coal miners is reduced, the FRP rock bolt will not cause damage to other mechanical equipment, the construction process is simple, and the efficiency of underground operations is improved.

3. Support effect is remarkable

FRP rock bolt support is essentially to use the hard structure inside the surrounding rock to reinforce the external rock mass, make full use of the surrounding rock's own supporting force to form a relatively stable support structure, which can effectively improve the stability of the roadway surrounding rock and ensure construction safety.

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