Based on the foundation pit project of 6 plots in Yujiapu District of Tianjin, construction deployment of segment dismantlement technique of support in super-large deep foundation pit, internal support unloading measure, setting requirements of force transmission component and internal support dismantlement method are researched, and precious construction experiences are provided for similar projects.%以天津于家堡六地块基坑工程为例,研究了超大规模深基坑内支撑分阶段拆除技术的施工部署、内支撑卸载措施、传力构件设置要求和内支撑拆除方法等内容,为今后类似工程提供了宝贵的施工经验.
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