拱形巷道在复杂应力条件下的变形以及破坏形式呈多样化，与围岩性质、地应力和支护结构相关。
The distortion and destroy form of coved laneway in complicated stress condition are diversity, and it is relative with rock character, crustal stress and shoring structure.
算例分析表明，深基坑开挖对邻近管线破坏极大，因而提出了深基坑支护结构设计时应采取的具体措施。
Examples show that the damage effect of deep excavations is great, and a method is suggested to resolve the problem in design of retaining structures.
通过有限元模拟，能够更加合理地模拟结构的支护作用，更真实地揭示出结构的破坏机制。
By the numerical simulation, the failure process of the structure was showed and thus the retaining effect was obtained.
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