巷道两帮围岩裂隙呈弧形向巷帮深处扩展，并按幂函数规律衰减；
Cracks in the two roadway walls are extending to the depth in arc shape and diminish in a power function law.
通过数值计算，研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。
Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied.
根据巷道两帮存在软弱夹层的层状岩体结构特征，提出了巷帮薄层弱结构与弱结构体的概念。
Based on structure features of layer rock mass which has thin layer in roadsides, the concepts of thin layer weakness structure in roadsides and weak structure body has been put forward by this paper.
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