As one of the primary support methods for underground engineering and rock slopes, mining rock bolts play an important role in maintaining the stability of civil engineering, especially in joint fractured rock masses. So what are the primary structural methods for mining rock bolt slope support?

1. Gravity retaining wall: The gravity retaining wall is the gravity of the retaining wall itself to maintain the stability of the retaining wall under the effect of earth pressure. It is a retaining wall commonly used in China. Its strengths are to obtain materials on site, which is convenient for construction and has good economic effects. Therefore, gravity retaining walls have been widely used in railway, highway, water conservancy, harbor, and mining projects in China.

2. Buttress-type retaining wall: Buttress-type retaining wall is a thin-walled reinforced concrete retaining wall. Its main features are simple structure, convenient construction, small cross section of the wall, light weight, and better performance. Give play to the strength function of the material, can adapt to the foundation with lower bearing capacity. Suitable for areas lacking stone and earthquakes. Generally, the embankment is used to stabilize the embankment in the higher fill sections to reduce the amount of earthwork and the area.

3. Lattice-type anchor retaining wall support: Lattice-type anchor retaining wall reinforcement skills are a kind of slope reinforcement skills that use cast-in-place concrete beams and columns to form a frame for slope protection, and use mining rock bolts to fix them. Vegetation protection can be carried out in the lattice frame, which can not only reach the intention of slope support, but also restore vegetation, improve the greening rate, and beautify the environment. It has short construction period, good construction conditions, remarkable effects, beautiful appearance and other advantages and is widely used in urban construction slopes.

4. Anchor shot support: Anchor shot support is a load-bearing structure formed by anchor rod, eruption concrete and surrounding rock, which can effectively restrain the free development of surrounding rock deformation, adjust the stress distribution of the surrounding rock, and prevent the rock mass from falling loose. . It can be used as temporary support during construction, and in some cases, it can be used without support or lining.

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