复杂环境下住宅建筑深基坑支护方案设计

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中图分类号：TU99 文献标志码：A 文章编号：2095-2945（2025）24-0120-04

Abstract： Takingaresidential building asan example，thedesignof deep pitsupport schemeundercomplexenvironment wasexplored.Basedonthefactthatthedepthdiferencebetweentheeastandwestsidesofthefoundationpitislargeandthe defomationcontrolrequirementsofthesurroundingenvironmentarehigh，thezoningexcavationideawasdetermined.The foundation pit slope adopts the schemes of "slope release + pile anchor support" and "slope release + pilerow + internal supportsupport"Theconstructionoftheeastzoneiscariedoutfirst，andthesupportingcolumnmembersarearrnged verticallyattheposionofthebackcastingbelt.Thenewmainstructureisusedasthereactionstructureofthehorizontal supportoftheunexcavatedfoundationpitinthewestzone.PKRMstructuraldesignsoftwareisusedtoconstructthemain structuremodeloftheeastareaandverifyit.Theresultsshowthattheanti-slidingstabilityofthesupportingreactionstructure meets the requirements of the code，and the deep foundation pit supporting scheme is feasible.

Keywords：residential building;deep foundation pit support;reaction structure;row pile support;schemedesign

对于周边紧邻既有建筑物并且地质条件复杂的高层住宅建筑，在深基坑施工时必须要做好支护方案设计，为现场支护作业提供参考，在保证深基坑开挖作业安全进行的同时，避免对临近建筑物造成影响。（剩余3986字）