（北京城建设计研究总院有限责任公司,  北京 100037）

[摘要] 合肥南站北广场地下空间结构设计存在多处难点：与周边地铁站、国铁站房的关系及处理；基坑开挖面积大、深度较深；地基基础不一致、沉降不均匀；地上结构超长不设缝, 地下室抗浮。设计中采用相应技术措施予以解决。

[关键词] 交通枢纽;结构设计;地下空间

中图分类号： TU375             文献标识码：A         文章编号： 1002-848X（2013）S2-0026-04

作者简介：李宝雄，硕士，工程师，Email：LBX578219@163.com。

Structure design on underground space of Hefei South Railway Station North Plaza

Li Baoxiong, Wu Yinlong

(Beijing Urban Engineering Design & Research Institute Co.,Ltd., Beijing 100037, China)

Abstract: The structure design of Hefei South Railway Station North Plaza underground space faced many difficulties such as relationship and deal with the surrounding metro and railway station, the excavation area is large and deep, the foundation is not consistent and has differential settlement, super-length structure without settlement joint, flotage of underground water. Echnology measures are adopted to solve the above difficulties.

Keywords: transport hub; structure design; underground space