Mine wire mesh support is one of the most widely used support methods in deep foundation pit support engineering at present. It is the abbreviation of shotcrete, bolt and steel mesh combined support. As an advanced support and reinforcement technology, it has been widely and successfully applied in geotechnical high slope and large-span underground engineering, especially under unfavorable geological conditions at home and abroad. wire mesh for sale
Shotcrete-anchor-net support is to construct anchor rods with a certain length and distribution in the rock and soil, and work together with the rock and soil to form a complex, make up for the lack of strength of the rock and soil and play the role of anchoring, so that the structural strength potential of the rock and soil can be brought into full play and the stability of the slope can be guaranteed. Steel mesh shotcrete is set on the slope to restrain the deformation of the slope and make the whole slope form a whole. wire mesh for sale
The construction process is as follows: excavation of earth and stone, slope repair, drilling, anchor bolt installation, pressure grouting, hanging of steel mesh, welding of reinforcing ribs, shotcreting, (prestress tension and anchoring of anchor cable), excavation of lower layer. For unstable soil layer, after excavation and slope repair, the first concrete spraying should be added.
The function of steel mesh is mainly to prevent rockfall or shrinkage crack of concrete sprayed layer, improve the integrity of supporting structure, make the stress in sprayed layer evenly distributed and strengthen the seismic, shear and tensile capacity of sprayed layer. wire mesh for sale
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