NORTHERNARCHITECTURE55第8卷第2期2023年4月施工技术与管理方建筑北高层建筑盾构切削钢筋混凝土桩基施工技术李凯(内蒙古泰丰建设集团有限公司,内蒙古通辽028000)摘要:针对当前高层建筑桩基施工中,若施工区域地下存在既有建筑基础结构则会对基础结构沉降造成严重影响的问题,开展对某拟建高层建筑项目盾构切削钢筋混凝土桩基施工技术的研究。在施工中按照盾构推进施工、切削刀盘正面土体改良、切削钢筋混凝土桩基施工、盾构穿越桩基后施工的顺序流程完成施工。通过对施工效果分析得出,应用新的施工技术,可将沉降量控制在0.2mm范围内,确保地下既有构筑物基础结构的沉降不受影响,从而提高项目整体施工质量。关键词:高层建筑;钢筋混凝土;盾构切削中图分类号:U455.43文献标识码:A文章编号:2096-2118(2023)02-0055-04ConstructionTechnologyofHigh-RiseBuildingShieldCuttingReinforcedConcretePileFoundationLIKai(InnerMongoliaTaifengConstructionGroupCo.,Ltd.,TongliaoInnerMongoliaAutonomousRegion028000,China)Abstract:Inthecurrenthigh-risebuildingpilefoundationconstruction,ifthereisanexistingbuildingfounda-tionstructureundergroundintheconstructionarea,itwillhaveaseriousimpactonthesettlementofthefounda-tionstructure.Researchontheconstructiontechnologyofshieldcuttingreinforcedconcretepilefoundationforaproposedhigh-risebuildingprojectiscarriedout.Duringtheconstruction,theconstructionwascompletedaccord-ingtothesequentialprocessofshieldconstruction,frontalsoilimprovementofcuttingcutterhead,cuttingrein-forcedconcretepilefoundationconstruction,andshieldconstructionafterpassingthroughthepilefoundation.Throughtheanalysisoftheconstructioneffect,itisconcludedthatthenewconstructiontechnologyapplicationcancontrolthesettlementamountwithintherangeof0.2mm,ensurethatthesettlementoftheexistingunder-groundstructurefoundationstructureisnotaffected,andimprovetheoverallconstructionqualityoftheproject.Keywords:high-risebuildings;reinforcedconcrete;shieldcutting0引言当前交通线网的建设水平不断提升,地铁、隧道等需要在地下开展建设的项目逐渐增加,使得地下可使用的空间资源逐渐减小,进而造成地上建筑的建设位置受到严重制约。在高层建筑建设时,通常在盾构通...