围岩应力是指地下洞室周围岩石中单位面积上的内力强度。围岩应力是判定围岩稳定和洞室安全的重要因素，它可以通过理论分析、模型试验和现场量测来确定。
... 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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煤柱围岩应力 pillar surrounding rock stress
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
隧道围岩应力和变形分析是隧道设计的重要内容。
The stress and deformation analysis for surrounding rock of tunnels is an important task in tunnels design.
地下洞室围岩的稳定状态，在很大程度上受围岩应力状态的影响。
The stability condition of underground cavern adjacent rock is greatly affected by the adjacent rock stress condition.
采用有限单元法对巷道注浆支护时的围岩应力和位移进行了计算分析。
The finite element method is used to calculate and analyze the stress and the displacement of host rock when the openings is under the jet grouting support.
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