Structure design and excavation by steps of deep foundation pit-retaining are studied theoretically and numerically in this paper and of importation in design and construction of soil nailing retaining structure of deep foundation pit.
本文采用理论分析和数值计算相结合的方法，开展深基坑士钉支护结构设计及分步开挖的研究，对深基坑土钉支护工程的设计与施工具有较好的理论和实际意义。
参考来源 - 深基坑土钉支护结构设计及分步开挖的有限元分析Plane strain finite element method is applied to incorporate the constitutive law. The code is able to simulate the coupled effect of consolidation and creep,interaction between soil and structure,and the complicated procedure of staged excavation.
将平面问题有限元法用于基坑性状的研究，研制了考虑土的流变与固结耦合作用、土与结构相互作用和模拟复杂的分步开挖过程的深基坑工程有限元分析程序。
参考来源 - 软土深基坑工程时间效应研究·2,447,543篇论文数据，部分数据来源于NoteExpress
然后取较小计算范围进行二次细分网格，以便较准确地模拟地下厂房分步开挖的动态过程。
A small model, in which the mesh was refined, was used to precisely simulate excavation of the underground powerhouse.
然后取较小计算范围进行二次细分网格，以便较准确地模拟地下厂房分步开挖的动态过程。
The small range model, in which mesh is refined, is exactly used to simulate excavation process of the underground powerhouse.
建立了岩石高边坡分步开挖稳定性反馈分析模型，分析过程中考虑了岩体爆破松动及卸荷的影响。
Taking the influence of blasting loosening and unloading into account, the feedback analysis model of the high rock slope stability is established.
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