2022·12·BuildingConstruction2894大跨度钢筋桁架楼承板免支撑吊挂施工技术杨阳1殷伟2成龙1陈明1曹元元11.中建八局第三建设有限公司江苏南京210046；2.南京市江北新区建设和交通工程质量安全监督站江苏南京211899摘要：为解决超高层建筑施工过程中，高空大悬挑、高支模及其他在下部不方便搭设常规支撑体系的区域大跨度钢筋桁架楼承板浇筑施工面临的困难，结合南京江北新区某超高层钢结构酒店工程，研发钢筋桁架楼承板免支撑吊挂施工技术，有效提高了钢筋桁架楼承板的施工效率和操作便捷性，确保了混凝土浇筑过程中的安全，实现了建筑的高效建造和工程价值的提升。关键词：钢结构；大跨度；钢筋桁架楼承板；免支撑中图分类号：TU755文献标志码：A文章编号：1004-1001(2022)12-2894-03DOI：10.14144/j.cnki.jzsg.2022.12.025ConstructionTechnologyofLarge-spanSteelBarTrussFloorSupportPlateWithoutSupportandHangingYANGYang1YINWei2CHENGLong1CHENMing1CAOYuanyuan11.TheThirdConstructionCo.,Ltd.ofChinaConstructionEighthEngineeringDivision,Nanjing,Jiangsu210046,China;2.NanjingJiangbeiNewAreaConstructionandTrafficEngineeringQualityandSafetySupervisionStation,Nanjing,Jiangsu211899,ChinaAbstract:Inordertosolvethedifficultiesfacedbythepouringoflarge-spansteeltrussfloorbearingplatesintheprocessofsuperhigh-risebuildingconstruction,suchashigh-altitudelargecantilever,highformworkerectionandatthelowerpartareaswhereitisnotconvenienttosetupaconventionalsupportsystem,incombinationwithasuperhigh-risesteelstructurehotelprojectinJiangbeiNewArea,Nanjing,theconstructiontechnologyofsteeltrussfloorbearingplatewithoutsupportandhanginghasbeendeveloped,whicheffectivelyimprovestheconstructionefficiencyandoperationconvenienceofthesteeltrussfloorbearingplate,ensuresthesafetyintheconcretepouringprocess,andrealizestheefficientconstructionofthebuildingandtheimprovementoftheprojectvalue.Keywords:steelstructure;large-span;steelbartrussfloorsupportplate;supportfree扬子江隧道口附近，建筑功能为会议中心和配套酒店，总建筑面积约18.72万m2。建筑地上部分分为展览区、会议区、办公区和酒店区4个结构单体，单体之间设结构缝。酒店区共33层，建筑高度156.50m；办公区共6层，屋面高度为...
