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紧邻运营中轨交的深基坑施工时,为减少对轨交的影响,需采用加固措施增加基坑围护结构的槽壁稳定性。以某地块综合开发项目为例,在毗邻轨交车站区域采用超深三轴搅拌桩作为基坑槽壁加固兼止水帷幕措施。阐述了该技术在邻近轨交区域的施工参数及对周边环境的影响,对类似工程有一定的借鉴意义。
Adjacent to the operation of the deep foundation pit construction, in order to reduce the impact on the rail traffic, reinforcement measures need to be taken to increase the stability of the trench wall envelope. Taking an integrated development project of a land parcel as an example, an ultra-deep three-axis agitating pile is adopted in the adjoining rail transit station as a measure to reinforce and prevent curtains on the foundation pit. The construction parameters and the influence on the surrounding environment of the adjacent rail crossing area are expounded, which has certain reference for similar projects.