... 初始应力(地应力) primary stress 围岩应力(二次应力) surrounding rock stress 冒顶 fall of ground ...
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pillar surrounding rock stress 煤柱围岩应力
surrounding rock stress distribution 围岩应力分布
the surrounding rock stress behavior 围岩应力行为
surrounding mass rock stress 围岩应力
surrounding rock mass stress 围岩应力
surrounding rock-mass stress 围岩应力
surrounding rock surface stress test 洞壁应力测试
And contrast the advantage with different construction methods. Using 3D FEM model to simulate the vary character of surrounding rock stress, support bearing, and ground surface settlement on the construction process.
利用有二维有限元模型，进行施工过程模拟计算，分析洞口段小净距隧道在不同埋深、不同净距下对隧道围岩稳定性的影响及比较不同的施工法进洞的优缺点；利用三维有限元模型模拟现场量测隧道随施工步的围岩应力、支护受力和地表沉降的变化特征。
参考来源 - 高速公路小净距隧道洞口段施工数值模拟及监控量测技术研究The mechanism of deformation of soft rock roadway has been analysed in detail in this thesis, including the elastic restitution, rheology, bulking, water-swelling, etc. Also the factors affect the evolution law of surrounding rock stress field have been carefully analysed.
本文详细分析了软岩巷道围岩变形机理,对巷道围岩的弹性恢复、流变、碎胀和吸水膨胀等变形量分别进行了定量分析计算；针对软岩巷道流变突出的特点,分别就岩石流变、吸水膨胀和流变扰动效应等因素引起的围岩应力场的演变规律进行了分析。
参考来源 - 软岩巷道变形机理分析与钢管混凝土支架支护技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Surrounding rock stress was measured in-situ and geomechanics was evaluated.
通过在现场实测围岩应力并进行地质力学评价；
The induced stress of initial damage zone results in the redistribution of surrounding rock stress when the micro-crack closes after hydraulic fracture.
水力压裂后，当微裂缝闭合时初始损伤带的诱导应力导致围岩应力重新分布。
The primary support and the second lining of large-spanned tunnel have endured different surrounding rock stress because of the influence of structure and span of tunnel.
大拱隧道受结构和跨度的影响，其初期支护与二次衬砌各自承受不同的围岩压力。
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