建筑技术ArchitectureTechnology第54卷第4期2023年2月Vol.54No.4Feb.2023·481·环境敏感区悬索桥桩基绿色施工关键技术郑华凯1，周明生2，张成3，雷春阳2（1.江苏省交通工程建设局，210004，南京；2.中交第二航务工程局有限公司，430000，武汉；3.江苏省地质工程勘察院，211102，南京）摘要：为降低工程建设对长江水质、周边生物和堤岸安全影响，对环境敏感区某悬索桥桩基施工进行了绿色关键技术研究。筑岛平台填筑完成后，进行钢护筒施工、气举反循环钻进成孔、钢筋笼制作安装、水下混凝土浇筑、成桩检测等工序，控制钢筋笼制安和水下混凝土浇筑质量，倡导绿色文明施工，建设环境友好型工程。实践表明，桩基工程质量优良，对周边环境影响极小。关键词：环境敏感区；悬索桥；桩基；绿色施工中图分类号：TU473U445.4文献标志码：B文章编号：1000-4726(2023)04-0481-03sTuDyoNKEyTEcHNoloGyoFGrEENcoNsTrucTioNoFsuspENsioNBriDGEpilEFouNDATioNiNENviroNMENTsENsiTivEArEAZHEnGHua-kai1;ZHOUMing-sheng2;ZHAnGCheng3;LEIChun-yang2(1.JiangsuProvincialTransportationEngineeringConstructionBureau,210004,Nanjing,China;2.CCCCSecondHarborEngineeringCo.,Ltd.,430000,Wuhan,China;3.GeoengineeringInvestigationInstituteofJiangsuProvince,211102,Nanjing,China)Abstract:Inordertoreducetheimpactofengineeringconstructiononthewaterquality,surroundingorganismsandembankmentsafetyoftheYangtzeRiver,thegreenkeytechnologyofpilefoundationconstructionofasuspensionbridgeinanenvironmentallysensitiveareaisstudied.Afterthefillingoftheislandbuildingplatformiscompleted,thesteelcasingconstruction,airliftreversecirculationdrillingandholeforming,reinforcementcagefabricationandinstallation,underwaterconcretepouring,pileforminginspectionandotherprocessesshallbecarriedouttocontrolthefabricationandinstallationofreinforcementcageandunderwaterconcretepouringquality,advocategreenandcivilizedconstructionandbuildanenvironment-friendlyproject.Thepracticeshowsthatthequalityofpilefoundationengineeringisexcellentandhaslittleimpactonthesurroundingenvironment.Keywords:environmentallysensitivearea;suspensionbridge;pilefoundation;greenconstruction1工程背景某桥为1560m的大跨径悬索桥，南塔位于长江...
