不良岩体巷道的湿喷混凝土支护技术 - 中南大学学报（自然科学版、英文版） 关键字: 湿喷混凝土；不良岩体；支护方案[gap=1262]Key words: wet shotcrete; weak rock mass; draft support
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It shows that the gripper pads pressure will cause the shearing and tension failure of the weak rock mass.
分析结果表明，支撑压力作用下围岩的破坏形式主要为剪切破坏和拉裂破坏。
The main engineering geological problems are as follows:soft soil, powder soil, welled soil (rock) , landslip, breakdown talus and broken weak rock mass.
主要的工程地质问题有：软土、粉土、膨胀土（岩）、滑坡、崩塌岩堆、岩溶、破碎软弱岩体等。
The modes of non-homogeneity of the deformation and failure ofthe tunnel within weak rock mass are summed up. The cause of the non-homogeneity is analyzed with geo-engineering view.
归纳了煤矿软岩巷道变形破坏的非均一性的表现形式，从地质工程角度分析探讨其产生的原因。
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