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介绍了深井软岩运输大巷交岔点变形破坏、局部冒顶， 采用计算机模拟选择返修方案， 用松动圈支护理论设计支护， 采用锚喷网施工工艺返修等措施， 以及取得明显技术经济效果
This paper introduces the deformation and failure of caving point of deep soft rock transportation roadway, local roof fall, the selection of reworking plan by computer simulation, the support design by loose ring supporting theory and the reworking by anchor and sprinkler network construction technology, as well as the obvious technical and economical effect