2022·12·BuildingConstruction2934地铁上盖项目的设计与施工温喜廉叶家成张超洋胡敬杰广州珠江建设发展有限公司广东广州510075摘要:以广州某地铁上盖项目设计与施工为例,介绍了地铁上盖项目设计与施工全过程BIM技术应用、“强下部、弱上部”盖板并缝技术、大型复杂转换梁施工与监控、架空交叉梁塔吊基础施工,以及施工车道变形缝改造施工保障措施等。经工程实践证明,解决了地铁车辆段上盖结构存在底部刚度突变、竖向构件大量转换、复杂转换大梁、盖上塔吊基础设置等系列技术难题,保证结构施工质量和安全,加快施工进度,提升设计与施工协同、可视化、智能化建造水平。关键词:地铁上盖;BIM技术;转换梁;塔吊基础中图分类号:TU755文献标志码:A文章编号:1004-1001(2022)12-2934-04DOI:10.14144/j.cnki.jzsg.2022.12.036DesignandConstructionofSubwayUpperCoverProjectWENXilianYEJiachengZHANGChaoyangHUJingjieGuangzhouPearlRiverConstructionDevelopmentCo.,Ltd.,Guangzhou,Guangdong510075,ChinaAbstract:TakingthedesignandconstructionofasubwayuppercoverprojectinGuangzhouasanexample,theapplicationofBIMtechnologyinthewholeprocessofdesignandconstructionofthesubwayuppercoverproject,thetechnologyof"stronglowerpart,weakupperpart"coverplatejoint,theconstructionandmonitoringoflargeandcomplextransferbeams,theconstructionofoverheadcrossingbeamtowercranefoundation,andtheconstructionguaranteemeasuresforthetransformationofconstructionlanedeformationjointsareintroduced.Theengineeringpracticeprovesthataseriesoftechnicalproblems,suchassuddenchangeofbottomstiffness,largenumberofverticalcomponentsconversion,complexconversiongirder,andfoundationsettingoftowercraneonthetopofthesubwaydepot,aresolved.Itcanensurethequalityandsafetyofstructuralconstruction,acceleratetheconstructionprogress,andimprovethelevelofdesignandconstructioncoordination,visualizationandintelligentconstruction.Keywords:subwayuppercover;BIMtechnology;transferbeam;towercranefoundation1工程概况广州某地铁上盖TOD项目(图1),一期总建筑面积为18.71万m2,已建设车辆段为跨度较大框架结构,地上为2层车辆段盖板(分别为8.5m和14.5m盖板),在14.5m盖板上建设3栋住宅楼(17#~19#)、2栋商业楼、1...