软土地区地铁车站深基坑的变形特性

Deformation Characteristics of Deep Foundation Pit of Subway Station in Soft Soil Area

阐述了软土地区地铁基坑变形主要类型,对地铁深基坑支护特点及工程实测数据进行分析,并对围护结构变形规律进行讨论,提出了基坑变形控制综合工艺的相关措施,有效提升基坑结构的稳定性与围护的刚度,保证了地铁车站的顺利施工。

This paper first describes the main types of deformation of subway foundation pit in soft soil area, then analyzes the characteristics of subway deep foundation pit support and the measured data of the project, and discusses the deformation law of the retaining structure. This paper puts forward the relevant measures of the comprehensive technology of foundation pit deformation control, which can effectively enhance the stability of foundation pit structure and the stiffness of enclosure, and ensure the smooth construction of subway station.