Rock bolt is a bar system structure reinforced by rock and soil. Through the longitudinal pulling force of the anchor bolt, the shortcoming that the tensile capacity of rock and soil is far lower than the compressive capacity is overcome. On the surface, it restricts the separation of rock and soil from the original body. Macroscopically, it increases the cohesion of rock and soil mass.

The main purpose of anchor bolt in construction operation is to play the role of system support, which is generally used in stone layer and other environments. Here, we will introduce how to correctly construct anchor bolt in roadway support. The basic operation process is as follows:

1. After excavation, make a circle of anchor bolts in the arch, and use cement mortar to form an integral supporting structure in the arch of roadway. When installing, it is necessary to mark the position of anchor bolt along the contour line of arch excavation.

2. When connecting, the drill must be used, and the foreign matter in the bolt hole is blocked. Then, install the drill at one end of the bolt and connect the other end to the rock machine.

3. In order to work better without stopping, a series of inspections should be carried out before grouting, such as whether the grouting pump is in good condition, whether the accessories are complete, and whether the raw materials are ready when checking. Whether the quality is complete and avoid some unnecessary problems.

4. Regular maintenance should be carried out after use. If there is any problem, it should be replaced or repaired immediately to avoid further losses.

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