开挖引致的松动区减少围岩劲度，将减少衬砌轴向应力，但增加剪应力及挠曲应力。
It will decrease the maximum axial stress of the lining, but it will increase the maximum shear stress and flexural stress.
成果分析表明：（1）边垃岩体的变形具有明显的分区性，主要变形区被定义为边垃岩体松动区；
The interpretation of the observed data indicates that: (1) the rock mass in the slope deformed mainly in a shallow belt underneath the excavation surface, termed as disturbed zone.
开挖顺层岩石高边坡，往往需要进行预加固，因而合理确定坡体开挖松动区范围就便成为核心问题。
Some stabilizing structures must be set before cutting a bedding high rock slope, and how to determinate the range of disturbed zone becomes the key problem.
现场实践表明，采用底板支承压力区进行深部松动爆破能有效控制回采巷道底鼓，满足生产需要。
Field practice shows that the method of making loose blasting deeply in the area of the mining abutment pressure can control the entry floor heave effectively and meet the need of the production.
通过实地勘测研究，建立了黄河黑山峡大柳树坝址区岩体的滑移—弯曲拉裂松动变形模式。
In this paper, based on the field investigation and analysis of Daliushu Dam located in Heishanxia Gorge, a part of the Yellow River, the sliding and bending deformation model is built up.
黄河大柳树水利枢纽坝区岩体大范围发生了松动，确定其水力学特性指标并进行渗流分析具有重要的现实意义。
It is of practical value to determine the hydraulic conductivity tensors of large-scale dynamo-relaxed rock masses at site of Daliushu dam on the Yellow River and to analyze the seepage field.
黄河大柳树水利枢纽坝区岩体大范围发生了松动，确定其水力学特性指标并进行渗流分析具有重要的现实意义。
It is of practical value to determine the hydraulic conductivity tensors of large-scale dynamo-relaxed rock masses at site of Daliushu dam on the Yellow River and to analyze the seepage field.
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