（中铁第四勘察设计院集团有限公司城地院，武汉 400045）
［摘要］简要介绍了广深港高铁深圳福田站的施工方法、支护结构和主体结构设计。采用有限元程序对结构逆作施工和正常使用阶段进行三维计算分析，利用弹簧单元模拟土对结构的作用，考虑了土体参数对结构受力及变形的影响，较真实地反映了结构的受力及变形，为类似工程提供了一定的经验参考。
［关键词］地下结构；逆作法施工；支护结构
中图分类号：TU94文献标识码：A文章编号：1002-848X(2012)03-0132-05
Topdown construction and design for Shenzhen Futian subway station of Guangzhou，Shenzhen，Hong Kong high，speed rail
Ouyang Dong, Shen Ting, Chen Yuanzhou, Jiang Ye, Xiong Jian, Yu Xing, Shi Duanwen(Urban Construction Design Institute, China Rail SiYuan Survey and Design Group Co., Ltd., Wuhan 400045, China)
Abstract:The construction method, bracing and retaining structure and main structure for Shenzhen Futian subway station of Guangzhou，Shenzhen，Hong Kong high，speed rail were briefly introduced. Taking the impact of the soil around the construction on stress and deformation of the structure into account, the spring element was used to simulate the action between the soil and structure, and topdown construction and operation stage of the structure were analyzed by finite element program, which can get more accurate results and provide a reference for similar projects.
Keywords:underground structure；topdown construction method；bracing and retaining structure
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