复杂地基软土深基坑支护施工技术.pdf
工程施工技术
ConstructionTechnology
复杂地基软土深基坑支护施工技术
SupportConstructionTechnologyforSoftSoilDeepFoundationPiton
ComplexFoundation
徐春辉
(浙江江南工程管理股份有限公司,杭州310012)
XUChun-hui
(ZhejiangJiangnanProjectManagementCo.Ltd.,Hangzhou310012,China)
为了提支护结构的稳定性和安全性,针对复杂地基软土深基坑支护施工技术和施工质量控制展开探究,布置了用于验
【摘要】
证结构安全性的监测方案。研究结果表明,机抽取的围护桩最大水平位移为6.064mm,支护结构的整体变形处于允许范围内。基
坑外的土体变形较小,最大沉降累积量仅0.427mm,结构的服役性与安全性较好。
Abstract铱Inordertoimprovethestabilityandsafetyofthesupportingstructure,theresearchexplorestheconstructiontechnologyand
constructionqualitycontrolofthedeepfoundationpitsupportinginsoftsoiloncomplexfoundation,andarrangesamonitoringschemefor
verifyingthesafetyofthestructure.Theresultsshowthatthemaximumhorizontaldisplacementofthepilerandomlyselectedis6.064mm,the
overalldeformationofthesupportingstructureisinaallowedrange.Thesoildeformationoutsidethefoundationpitissmall,andthemaximum
settlementaccumulationisonly0.427mm,sothestructurehasgoodserviceabilityandsafety.
【关键词】软土深基坑;钻孔灌注桩;基坑支护;基坑围护;施工质量
Keywords铱softsoildeepfoundationpit;boredpile;foundationpitsupport;foundationpitenclosure;constructionquality
【中图分类号】TU753.1【文献标志码】B【文章编号】1007-9467(2025)01-0189-03
【DOI】10.13616/j.cnki.gcjsysj.2025.01.262
1引言2软土深基坑支护结构施工技术设计及