闹市区紧邻地铁深基坑土方开挖施工技术

Construction Technology of Earth Excavation for Irregular Deep Foundation Pit in Downtown Area

针对在闹市区紧邻地铁处进行深基坑施工,由于其形状不规则且环境敏感程度高,要先行施工住宅楼,形成先浅后深的挖土顺序的具体情况,就要采取科学合理的土方开挖施工技术,从而达到既能满足基坑稳定的要求,又能达到加快工期效果。

Carries on the deep hole excavated for building foundation construction in the downtown area close neighbor subway place,because of its irregular shape and high degree of sensitivity to the environment,it is necessary to advance the construction of residential buildings.Therefore the order of excavation became first light after the dark.For this specific situation,it is necessary to adopt a scientific and rational earth excavation construction technology,so as to achieve not only satisfies the requirements of a stable pit,but also to speed up the duration.