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针对上海地铁汉中路站明挖顺作基坑工程,探讨解决复杂地质条件下大型超深基坑施工筹划、超深地连墙施工、承压水治理、基坑开挖、周边环境保护等关键技术问题及应对措施,以期为同类基坑工程的施工提供借鉴意义。
Aiming at the excavation of the foundation pit of Hanzhong Road Station in Shanghai Metro, this paper discusses the key points to solve such problems as the construction planning of large-scale ultra-deep foundation pit under deep geological conditions, the construction of continuous wall with ultra-deep ground, the treatment of confined water, excavation of foundation pit and surrounding environment Technical problems and countermeasures, with a view to provide reference for the construction of similar pit project.