江西建材工程技术与应用·203·2023年7月建筑工程深基坑开挖防形变施工技术分析朱瑞娥，张宁，王来明山东省潍坊市寿光市住房和城乡建设局，山东潍坊262700摘要：为改善建筑工程深基坑开挖防形变施工效果，文中以某地区S建筑工程项目一期深基坑开挖工程为例，开展了深基坑开挖防形变施工技术的全面研究。选用深基坑放坡开挖方式，进行多级放坡开挖，保证深基坑开挖质量与安全。在此基础上，选用U型钢板桩，作为坑悬臂式围护支护结构，开展深基坑围护支护施工。结果表明，应用开挖防形变施工技术后，各组监测点所在深基坑位置对应的地表沉降监测值均在3mm以内，防形变效果显著。关键词：建筑工程；深基坑；防形变；开挖中图分类号：TU473.1文献标识码：A文章编号：1006-2890（2023）07-0203-03Anti-deformationConstructionTechnologyforDeepFoundationPitExcavationinConstructionEngineeringZhuRui'e,ZhangNing,WangLaimingHousingandUrbanRuralDevelopmentBureauofShouguangCity,Weifang,Shandong262700Abstract:Inordertooptimizetheantideformationconstructioneffectofdeepfoundationpitexcavationinconstructionengineering,acomprehensivestudywasconductedontheantideformationconstructiontechnologyofdeepfoundationpitexcavation,takingthefirstphaseoftheSconstructionprojectinacertainareaasanexample.Firstly,thedeepfoundationpitslopeexcavationmethodisselectedtocarryoutmulti-levelslopeexcavationtoensurethequalityandsafetyofdeepfoundationpitexcavation.Onthisbasis,U-shapedsteelsheetpilesareselectedascantileversupportstructuresfordeepfoundationpitsupportconstruction.Theresultsoftheexampleapplicationshowthataftertheapplicationoftheproposedexcavationdeformationpreventionconstructiontechnology,thesurfacesettlementmonitoringvaluescorrespondingtothedeepfoundationpitpositionsofeachmonitoringpointareallwithin3mm,indicatingasignificantadvantageindeformationpreventioneffect.Keywords:Constructionengineering;Deepfoundationpit;Antideformation;Excavation0引言深基坑工程广义上指的是底面积在27m2以内，开挖深度大于5m及深度未超过5m，但地质条件、地下管线复杂的工程，反之则称为浅基坑工程［1］。在深基坑工程建设施工中，基坑开挖施工技术占据重要的地位［2］。由于深基坑地质及周围环...
