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以面积达4万m2的上海浦江镇125-2地块基坑工程为背景,详细介绍了中心岛斜撑支护体系的选型依据、工况流程及有限元数值分析情况,并对实施过程中的关键技术包括周边留土放坡、基础底板受力体系及拆换撑变形控制进行了重点阐述,最后就监测数据分析总结心得体会,从而为今后类似工程的设计、施工和研究提供有益的借鉴。
Based on the foundation pit project of 125-2 block in Shanghai Pujiang Town with an area of 40,000 m2, the selection criteria, working process and the finite element numerical analysis of the bracing system of the central island are introduced in detail. The implementation process The key technologies in this project include the surrounding soil grading, the stress-relief system of the foundation slab and the deformation control of the demolition and replacement support. Finally, the monitoring data analysis is summarized and the experience is realized, which will provide beneficial results for the design, construction and research of similar projects in the future Learn from