大型水处理构筑物基坑施工“时空效应”交错开挖技术研究与应用  

Study and Application of"Space-time Effect"Staggered Excavation Technique for Foundation Pit Construction of Large Water Treatment Structures

作　　者：章庆 ZHANG Qing(Shanghai Mechanized Construction Group Co.,Ltd.,Shanghai 200072,China)

机构地区：[1]上海市机械施工集团有限公司,上海200072

出　　处：《建筑施工》2024年第10期1669-1672,共4页Building Construction

基　　金：上海市住房和城乡建设管理委员会基金项目(沪建科2021-002-051);上海建工集团股份有限公司基金项目(20JCSF-38)。

摘　　要：大型水处理构筑物具有基坑开挖深度大、面积大、结构跨度大等结构特点,对施工顺序、工期要求、周边环境保护、安全生产有较高要求。结合上海竹园污水处理厂提标改造升级补量工程ZY3.1标的工程,分析、提出了通过“时空效应”实现基坑大面积同时交错开挖的优化方案,同时总结了采取构造措施减小基坑变形的技术要点。该方案有效保证基坑稳定性、减少对周边环境的影响、节约工期,可为今后大型污水处理厂基坑施工提供参考。Large water treatment structures exhibit characteristics such as deep excavation,large areas,and extensive structural spans,necessitating higher standards for construction sequence,duration,environmental protection,and safety.In conjunction with the ZY3.1 bid project of the Shanghai Zhuyuan Sewage Treatment Plant,an optimized scheme utilizing the"space-time effect"to achieve large-area simultaneous staggered excavation of the foundation pit is analyzed and proposed.Additionally,technical measures to reduce foundation pit deformation are summarized.This scheme ensures the stability of the foundation pit,reduces the impact on the surrounding environment,and saves duration,can provide a reference for future foundation pit construction in large sewage treatment plants.

关 键 词：大型水处理构筑物 深基坑 时空效应 交错开挖 

分 类 号：TU753[建筑科学—建筑技术科学]