However, evaluation methods of wall rock stability in underground cavern groups with high side-wall, large span and intersect caverns are required for actual projects such as Nuo Zhadu.
但在实际的工程中，特别是对于糯扎渡这种边墙高、跨度大、洞室相互交错的地下洞室群的围岩稳定性问题，还缺少系统的评价方法。
The stability problem of wall rock was prominent, and the factors that affect the wall rock stability including karst, disadvantage structure surface, and the block body combined by the two factors.
乌江构皮滩水电站电站厂房为岩溶地区修建的特大型地下厂房，围岩稳定问题较突出，影响围岩稳定的因素主要有岩溶与不利结构面及其组合的块体等。
At the same time, the reasonable estimate about the stability of wall rock and timbering parameter supplies designers and builders with the beneficial reference.
同时对围岩稳定性和支护参数进行了合理性评价，为设计和施工单位提供了有益的参考意见。
Plan and space rigid limiting equilibrium method is applied to calculate the stability of anchored rock wall.
通过分析研究，按平面、空间刚体极限平衡法对岩墙进行稳定计算；
So the blasting damage effect should be sufficiently thought during stability evaluation and support design of wall rock.
因此在进行围岩稳定性评价及支护设计时，应充分考虑爆破损伤效应的影响。
Based on this, the stability of the surrounding rock mass and the rock wall crane girder is evaluated.
在此基础上，对洞室围岩及岩壁吊车梁的稳定性进行了评价。
The stability of coal pillar of the short-wall mining was analyzed systemically by numerical simulation with the rock failure process analysis software (RFPA2D).
采用岩石破裂过程分析软件RFPA2D系统，对短壁机械化开采的煤柱稳定性进行数值计算与分析。
So, the structure character study of rock mass is very useful to value the wall-rock's stability of underground powerhouse.
因此，研究地下硐室的岩体结构特征，对评价地下硐室的围岩稳定性是很有帮助的。
The rock sound emission technique is important means to monitor the stability of wall rock in underground construction.
岩体声发射技术是地下工程中监测围岩稳定性的重要手段。
Discontinuity is a key factor of stability of highway tunnel wall rock.
结构面是影响公路隧道围岩稳定的重要因素。
With the object of wall rock in mining roadway, its stability classification and support technology are studied in detail.
本文以回采巷道围岩为研究对象，对其稳定性分类及其支护对策进行了深入细致的研究。
There are many factors to affect the wall-rock 's stability of underground powerhouse, and the structure character of rock mass is one of the factors.
水电站地下厂房的围岩稳定性的影响因素很多，围岩的岩体结构特征就是其中的一种。
Huge deformation of wall rock has a strong impact on the stability of roadway in many underground opening engineering.
在许多地下巷道工程中，围岩巨大的变形严重影响巷道稳定性。
By calculating, effects of the tunnel wall rock refreezing on the lining stability are analysed. S...
通过应用计算，分析隧道围岩回冻对衬砌的稳定性影响，并讨论了若干防冻害措施。
By calculating, effects of the tunnel wall rock refreezing on the lining stability are analysed. S...
通过应用计算，分析隧道围岩回冻对衬砌的稳定性影响，并讨论了若干防冻害措施。
应用推荐