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北京市通州区河东再生水厂工程包括大小23座地下及地上建、构筑物,部分构筑物涉及深基坑施工,其中最大基坑深度13.2 m。结合该工程的施工,分别论述了基坑支护方案的选择、土钉墙加预应力锚杆施工及质量控制、基坑支护施工监测等深基坑开挖技术和质量控制措施,并进行了总结提炼,可为以后类似工程施工提供经验借鉴。
Tongzhou District, Beijing Hedong Reclamation Waterworks project includes 23 sizes and underground structures and structures, some structures related to deep foundation pit construction, of which the maximum depth of 13.2 m pit. Combined with the construction of the project, the selection of foundation pit supporting scheme, the construction and quality control of soil nailing wall plus prestressed anchor, the construction monitoring of foundation pit and other deep foundation pit excavation techniques and quality control measures are discussed respectively To summarize the extraction, for future similar projects to provide experience to learn from.