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Main use and construction precautions for mining bolts

Mine rock bolts are mainly used in mine roadways, railways, slopes and tunnels, the main body of the dam is reinforced, and its main function is to ensure the stability of surrounding rock in mine roadway and underground engineering. Mine anchors also known as rebar anchors and mine left-handed rebar anchors, have the advantages of low cost   , good support effect, simple operation, flexible use, and less construction clearance.

The mine rock bolt mainly serves as a supporting role in the underground mining, the rock bolt is deep into the stratum, and the other end is connected with the building. The rock bolt can be divided into an anchoring seciton and a free section, the free section is mainly prestressing to the rock bolt; the anchoring section mainly increases the bonding friction between the anchor and the soil layer, increases the bearing pressure of the anchor, and transmits the tensile force of the free section to the depth of the soil.

The mining steel mesh has the characteristics of high precision, small error and good quality, the welded steel mesh is a welded and formed mesh steel product, the longitudinal and transverse steel bars are arranged at a certain interval and at right angled to each other, steel mesh with strong resistance pressure welded together.

Mine steel mesh has a good protective effect on mine safety production, prevention of mine accidents, mine rescue and rescue, and mine safety production. In addition, the welded steel mesh can also be used in concrete pavement, bridge deck pavement, airport runway, tunnel lining, house slab, roof, wall, floor, etc. the specification of mining steel mesh can be customized according to the size provided by customers, the mining steel mesh is mainly fast, convenient, durable and evenly focused. Even if a wire breaks, it will not affect other parts, completely solve the problem of easy looseness and easy to hang the net for the roof and coal support. It is the most support for coal mine road support, the ideal material of roof protection and roadway support.

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