对建成地铁车站结构改造设计与施工的数值模拟分析

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摘要对已建地铁车站进行技术改造是一项非常复杂、风险极大的工程，需对改造结构进行技术评估，并涉及对原结构设计内力和位移附加增量的有效控制。文章针对苏州地铁1号线金鸡湖西站已建成的地下车站的围护、主体结构局部改造设计与施工存在的风险，运用有限元数值模拟分析预测结构附加应力和变位，为控制改造施工安全提出了结构构造措施和监测措施等合理化建议，可供类似工程提供借鉴。

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关键词：地铁车站软土深基坑侧墙改造附加变位数值模拟

Abstract： Restructuring a previously built metro station is very complex and involves great risks since it requires technical evaluation as well as the effective control of the designed internal forces and additional displacement effects on the original structure. Focusing on the risks in design and construction associated with the local restructuring of a main structure and envelope of a built metro station, this paper predicts the additional stress and deflection of structure by using the finite element numerical simulation and presents some reasonable suggestions.

Keywords： font-size: 10.5pt, mso-bidi-font-size: 11.0pt, mso-bidi-font-family: 'Times New Roman', mso-font-kerning: 1.0pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA, Metro station, Deep foundation in soft soil, Side wall reconstruction, Additional deflection, Numerical simulation analysis')" href="#">mso-fareast-font-family: 宋体" lang="EN-US">Metro station, Deep foundation in soft soil, Side wall reconstruction, Additional deflection, Numerical simulation analysis

作者简介: 作者简介：杨德春（1963-），男，高级工程师，副总工程师，从事地铁、铁路、市政及建筑结构设计工作，E-mail：yangdechungz@126.com.

引用本文:

.对建成地铁车站结构改造设计与施工的数值模拟分析[J] 现代隧道技术, 2012,V49(3): 94-103

.Numerical Simulation Analysis of the Design and Construction of a Restructured Metro Station[J] MODERN TUNNELLING TECHNOLOGY, 2012,V49(3): 94-103

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http://www.xdsdjs.com/CN/ 或 http://www.xdsdjs.com/CN/Y2012/V49/I3/94