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介绍了锚索网+U形棚+棚上浇注混凝土一体化联合支护技术在土城矿软岩运输石门进行修复,实践表明,运输石门围岩的持续变形和底鼓得到有效控制,支护效果和技术经济效益明显,解决了反复返修的一大难题。
This paper introduces the combined support technology of the anchor cable net + U-shaped shed + roof pouring concrete to repair the soft rock transport stone door in Tucheng Mine. The practice shows that the continuous deformation of the surrounding rock of transportation Shimen and the bottom drum are effectively controlled. Obvious effects and technical economic benefits, solve a major problem of repeated repair.