Anti-erosion support structure with coupling effect of thin-walled metal structure and roadway anchorage surrounding rock

Abstract

An anti-scour support structure for the coupling effect of a thin-walled metal structure and roadway anchorage surrounding rock, which is characterized in that it is composed of an anchor mesh support body (3), a rigid support body (1) and a thin-walled metal member (2) , the bolts of the anchor mesh support body (3) are inserted into the surrounding rock (4) to form a shell bearing structure equivalent to reinforced concrete, and the thin-walled metal components (2) are located in the anchor mesh support body ( 3) It is fixedly connected with the rigid support body (1) and with the rigid support body (1). The invention can make the surrounding rock effectively absorb the dynamic energy of the deformation and movement of the anchorage area during the process of deformation and overall movement of the surrounding rock in the free space of the roadway, so that the anchorage surrounding rock can be stabilized as soon as possible, effectively supporting the surrounding rock inside the roadway, and avoiding the surrounding rock of the roadway. The further damage and instability of the rock will reduce the damage intensity of the rock burst.

Description

technical field [0001] The invention relates to a mine support technology, in particular to a mine roadway scour prevention technology, in particular to a scour prevention support structure in which a thin-walled metal structure is coupled with roadway anchorage surrounding rock. Background technique [0002] At present, as the mining of mines in our country enters the deep part, the impact of rock pressure disasters is becoming more and more serious. The number of mines with strong dynamic disasters has reached more than 100, and frequent accidents of roadway casualties due to dynamic damage have seriously restricted the safety and efficiency of coal resources. mining. The support problem of the impact-inclined roadway is one of the main contents of the rockburst research, and it is an important subject related to the safe and efficient mining of deep coal resources. [0003] The anchor-mesh support structure is a support method in which the anchor-mesh components and the...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to design a thin-walled metal structure that can effectively resist large-capacity impacts and reduce safety accidents caused by impact rock pressure to couple with roadway anchorage surrounding rocks in view of the problem that the existing anchor net support technology is difficult to withstand large-scale damage Functional scour protection structure

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