Because the natural stress field is changed due to tunneling roadway, a stress concentration area appears in rock of surrounding roadway that cause roadway deformation or destruction.
由于巷道掘进破坏了原岩地应力场,使围岩应力重新分布,应力集中区的高应力造成巷道变形破坏。
Based on the measured results of the displacement of deep soft rock roadway in MaLuPing mine, the deformation characteristic of the surrounding rock is analyzed.
文章根据马路坪矿深部软岩巷道表面位移的实测结果,分析了巷道围岩变形主要特征。
The failure of brickwork roadway is mainly caused by the contacting relation of support and surrounding rock and inadequate deformation of support .
砌碹巷道破坏的主要原因是由于支护-围岩接触关系不能适应巷道变形特性造成。
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