The deformation and stability of soft rock slope under excavation and rainfall, as well as the effect of the supporting system on slope deformation are analyzed by physical modeling.
通过地质力学模型试验，研究软岩高边坡在开挖及降雨时坡体的稳定性及变形变化规律，分析支挡结构对边坡变形的影响机理。
During the excavation of underground chamber in the soft rock, lining thickness are increased to keep the stability of surrounding rock.
在软弱岩体中进行地下洞室开挖时，通常采用加大衬砌厚度来维持围岩的稳定。
Because of the poor strength and the typical creep character of the soft rock, it is difficult to excavate and support the underground excavation.
软岩强度低，且具有明显的蠕变特性，常给地下巷道的开挖和支护带来很大的困难。
This paper is focused on the studying of excavation slope stability of Xigeda strata, a typical model of dead soft rock.
本文重点对极软岩中的典型代表昔格达地层路堑边坡稳定性进行研究。
Through comparison of the results of assorted computation schemes, replacement of soft rock mass and optimum selection of anchoring support as well as feasible excavation sequences are illustrated.
通过多种方案计算和比较，论证了局部软岩置换、支护型式优化、支护参数优化的合理性。
Tunnel stability, especially in soft rock tunnel, will be affected to certain degree for the enormous over-break or under-break of excavation.
在超欠挖严重的情况下，对隧道的稳定性，尤其是软岩隧道会产生一定的影响。
Tunnel stability, especially in soft rock tunnel, will be affected to certain degree for the enormous over-break or under-break of excavation.
在超欠挖严重的情况下，对隧道的稳定性，尤其是软岩隧道会产生一定的影响。
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