2022·12·BuildingConstruction2904大跨度半球形钢筋混凝土穹顶结构施工技术杨凯蒋博洋张友杰郭志鑫周军帅田大卫中国建筑第八工程局有限公司总承包公司上海201204摘要:为解决大跨度半球形钢筋混凝土穹顶结构的高支模施工难题,采用BIM建模确定支撑系统中每根立杆的位置和长度,通过现场放样和定型钢管的煨弯加工搭设安装模板支撑系统,覆以柔性木胶合板加方木以及分段施工设置钢板止水带,很好地确保了大跨度半球形钢筋混凝土结构穹顶的施工质量。总结的经验可为今后类似工程施工参考。关键词:大跨度穹顶结构;双面支模;定位;模板体系中图分类号:TU755文献标志码:A文章编号:1004-1001(2022)12-2904-04DOI:10.14144/j.cnki.jzsg.2022.12.028ConstructionTechnologyofLarge-spanHemisphericalReinforcedConcreteDomeStructureYANGKaiJIANGBoyangZHANGYoujieGUOZhixinZHOUJunshuaiTIANDaweiGeneralContractorofChinaConstructionEighthEngineeringDivisionCo.,Ltd.,Shanghai201204,ChinaAbstract:Tosolvethedifficultproblemofhighformworkconstructionoflarge-spanhemisphericalreinforcedconcretedomestructure,BIMmodelingisusedtodeterminethepositionandlengthofeachpoleinthesupportsystem.Theformworksupportsystemiserectedandinstalledthroughonsitesettingoutandthebendingprocessingofshapedsteelpipesbycoveringflexiblewoodplywoodwithwoodsquaresandinstallingsteelplatewaterstopinsectionconstruction.Theconstructionqualityoflarge-spanhemisphericalreinforcedconcretedomestructureiswellensured.Thesummarizedexperiencecanbeusedasareferenceforsimilarprojectsinthefuture.Keywords:large-spandomestructure;doublesideformworkerection;positioning;formworksystem400mm×800mm和600mm×800mm。13283150045006000-6.30m6000①②③-5.70m游船码头-2.10m穹顶剖面圆心质感涂料轻集料混凝土0.80m0.40-2.70m(常水位)13500R±0m2.70m3.00m5.40m5.80m81008001700500500150×14=210054001504004004003070230-4.40m-4.40m1700图1游船码头穹顶剖面示意半球形穹顶球壳弧形墙体图2游船码头穹顶三维示意2施工重点和难点本项目大跨度游船码头穹顶结构设计新颖且地处景近年来,欧式风格和中国的传统建筑形式已成为国内游乐园建筑的潮流模式,穹顶造型美观,是中国古典建筑与西式宗教建筑风格的结合,备受人们的青睐。但造型...