建设科技∣29研究探讨1研究背景随着科技的迅速发展,多数的异形建筑通过钢结构形式实现落地,复合异形吊顶作为现代化高级装饰中一种,在复杂钢结构网架下的施工难度更为艰巨,可承接施工的单位较少,系统的施工流程及技术应用相对不足,存在以下问题:高大空间异形吊顶测量放线难度大,精准度要求高;半球形钢结构对异形吊顶施工造成的工效低、误差大,材料损耗率高;复合异形吊顶构造复杂,下单及施工难度大,组装容错率低,返工风险大。基于钢结构网架下的复合异形吊顶关键技术研究任瑞豪李国峰宫献伟殷晓向志国(中建八局第一建设有限公司,济南250000)[摘要]复合异形吊顶作为现代化高级装饰中的一种,在钢结构网架下的施工难度更为艰巨,可承接施工的单位较少,成熟的施工流程及技术应用相对不足。本文研究的复合异形吊顶依托于杭州萧山国际机场三期装饰装修工程,吊顶由交叉网格铝单板及四周曲面穿孔铝条板组成。通过BIM技术应用及装配式施工理念研发一套可同时解决高大空间曲面造型测量放线、施工基层构造复杂、复合型吊顶下单及安装难度大等问题的施工技术系统,并形成钢结构网架下复合异形吊顶的合理施工流程。[关键词]钢结构网架;复合异形吊顶;装配式转换层;BIM技术应用ResearchonKeyTechnologiesofCompositeSpeciallyShapedCeilingBasedonSteelStructureGridRenRuihao,LiGuofeng,GongXianwei,YinXiao,XiangZhiguo(FirstConstructionCo.,Ltd.,ChinaConstruction8thEngineeringBureau,Jinan,250000)Abstract:Asakindofmodernadvanceddecoration,theconstructionofcompositespecial-shapedceilingunderthesteelstructuregridismoredifficult,andtherearefewerunitsthatcanundertaketheconstruction.Thematureconstructionprocessandtechnologyapplicationarerelativelyinsufficient.ThecompositeshapedceilingstudiedinthispaperisbasedonthedecorationprojectofHangzhouXiaoshanInternationalAirportPhaseIII,andconsistsofcrossgridaluminumveneerandperforatedaluminumstrippanelswithcurvedsurfacesaround.ThroughtheapplicationofBIMtechnologyandtheconceptoffabricatedconstruction,asetofconstructiontechnologysystemscanbedevelopedthatcansimultaneouslysolvetheproblemsofhighspacecurvedsurfacemodeling,measurementandsettingout,complexconstructionbasestructure,complexplacementandinstallationofcompositesuspendedce...