莆田正荣·金融财富中心A地块商业区基坑支护设计论文-毕业论文（设计）.docVIP

福建工程学院本科毕业设计（论文） 莆田正荣·金融财富中心A地块商业区基坑支护设计 PAGE \* MERGEFORMAT 1 莆田正荣·金融财富中心A地块商业区基坑支护设计 摘要 本文的基坑支护设计是为正荣·金融财富中心A地块一期基坑支护工程设计。该基坑采用排桩咬合桩+锚杆支护，建筑采用两层地下室其开挖深度为10.5m，东南角设有一层地下室其开挖深度为4.6m，并对基坑进行降水处理。 本设计是根据国家现行基坑工程设计规程和建筑基坑支护技术规程，在给定已知的勘察报告，对该工程进行深基坑的支护设计，本工程的重点在于支护形式的选择，本设计主体采用了钻孔灌注桩+锚杆的基坑支护形式。在主动土压力的计算中，运用了朗肯土压力理论；在钻孔灌注桩的内力值计算中，运用了等值梁法和结构力学上的超静定梁模型；而对于各结构的配筋计算，是参照了混泥土结构设计规范；在基坑监测中，是参照了建筑基坑监测技术规范：在降水处理设计施工时参照了建筑基坑支护技术规程；整个基坑内力计算过程中，大量的计算参数根据实践经验进行修改，实现理论和实践相结合，理论促实践，实践印理论。 关键词：基坑支护；钻孔灌注桩；锚杆；基坑监测；降水处理 Design financialwealth?center?business district?A?plots?of foundation pit support?Da Masakae Abstract In this paper, the design of foundation pit supporting is Ronfinancial wealth center A block 1 Foundation Pit Engineering design. The excavationpile secant pile and bolting, building the two storey basement excavationdepth is 10.5m, the southeast corner of a basement excavation depth is 4.6m, and the foundation pit precipitation process. The design is based on the?specification for design of?current nationalexcavation and?foundation pit?supporting technical specification,?givenin the?survey report?known,?for deep foundation pit?support design?of?the project,?the focus of this project?is to?support form?choice,?the?design of the main use of?the bored pile?plus?anchor?bracing structure of foundation pit.?In the?calculation of active earth?pressure,?using?theRankines earth pressure theory;?in the?internal force?of bored pilecalculation,?using?the?equivalent beam method?and the structural mechanics?of?statically determinate?beam model;?and for the?reinforcement of?the?structure calculation,?is a reference to the?mixed?code for design of?soil?structure?in the?foundation pit?monitoring;,?is a reference to the?technical code for building?foundation pit monitoring:?inprecipitation?treatment design and construction?reference for theconstruction of foundation pit?supporting technical specification;?theinternal force?calculation?of foundation pit?in the process ofcalculation?parame