邻近地铁环境的地下雨水泵站结构优化及安全分析  

Structure Optimization and Safety Analysis of Underground Stormwater Pumping Station Adjacent to Subway

作　　者：龙奇峰[1] 叶小雷 刘海博 陈颂[2] Long Qifeng;Ye Xiaolei;Liu Haibo;Chen Song(Beijing Municipal No.4 Construction Engineering Co.,Ltd.,Beijing 100176,China;Beijing Guodaotong Highway Design&Research Institute Co.,Ltd.,Beijing 100073,China)

机构地区：[1]北京市市政四建设工程有限责任公司,北京100176 [2]北京国道通公路设计研究院股份有限公司,北京100073

出　　处：《市政技术》2023年第8期283-288,共6页Journal of Municipal Technology

摘　　要：排水系统是保证城市各项功能正常运行的重要基础设施,雨水泵站是排除低洼地区积水的重要设施。在城市复杂环境中,新建雨水泵站及其附属管线的施工会对既有建筑物产生影响,主要体现在过近距离开挖造成的岩土体应力重分布与新建结构本身重力荷载两方面。以北辛安路新建的雨水泵站为例,针对上述两类影响方式,通过改善岩土体力学性质、优化雨水泵站结构减小其重力荷载的方法降低了雨水泵站在施工、运营中对既有交通设施的影响,并使用有限元方法和结构力学方法验证了设计的可行性。实际运行结果显示,优化设计达到了预期的效果。Drainage systems are important infrastructures to ensure normal operation of various urban functions,and stormwater pumping stations are the best drainage facilities for removing stagnant water in low-lying areas.In the complex urban environment,a new stormwater pumping station and auxiliary pipelines will have an impact on the completed buildings,which mainly reflected in two aspects of the stress redistribution of the rock and soil caused by too close excavation and the gravity load of the new structure itself.The newly built stormwater pumping station in Beixin'an Road was taken as an example.In view of the above two types of influence ways,the influence of the stormwater pumping station on the existing transportation facilities was reduced during construction and operation by improving the mechanical properties of rock and soil and optimizing the structure of the stormwater pumping station to reduce the gravity load.The feasibility of the design was verified by finite element method and structural mechanics method.The actual operation results show that optimization design has achieved the expected effect.

关 键 词：雨水泵站 结构优化 安全分析 沉降控制 数值模拟 

分 类 号：TU992.25[建筑科学—市政工程]