大连梭鱼湾专业足球场外幕墙结构设计  

Structural design for external curtain wall of Dalian Suoyuwan Professional Football Stadium

作　　者：水金锋 王金来 刘楠 孙明川 王毅[2] 孙桐海 时言 李京安 SHUI Jinfeng;WANG Jinlai;LIU Nan;SUN Mingchuan;WANG Yi;SUN Tonghai;SHI Yan;LI Jing′an(Dalian Architecture Science Research&Design Institute Co.,Ltd.,Dalian 116021,China;Beijing Institute of Architectural Design Co.,Ltd.,Beijing 100045,China;Northeast Branch of China Construction Eighth Engineering Division Co.,Ltd.,Dalian 116021,China)

机构地区：[1]大连市建筑科学研究设计院股份有限公司,大连116021 [2]北京市建筑设计研究院有限公司,北京100045 [3]中国建筑第八工程局有限公司东北分公司,大连116021

出　　处：《建筑结构》2024年第21期77-83,共7页Building Structure

摘　　要：大连梭鱼湾专业足球场外幕墙结构采用钢桁架+交叉索网支承单层乙烯⁃四氟乙烯共聚物(ETFE)膜体系,连接于主体结构的56榀径向钢桁架、环向框架坡道及环向水平支撑共同构成外幕墙结构抗侧力体系,环形框架坡道之间设置平行交叉索网,支承单层ETFE膜形成足球场外立面幕墙。依据风洞试验和场地自然条件,对外幕墙结构进行抗风荷载、抗温度作用、抗震等计算分析。结构动力特性分析、结构变形及应力分析、索结构初始态找形分析结果均满足结构设计控制目标要求。外幕墙结构优化分析结果表明,在框架柱等距设置悬挑桁架,增加水平支撑并设置钢立杆,减小索长并降低预拉力,可以减小预拉力对悬挑桁架的作用力。外墙膜作为次结构外挂在双向斜交索网上,结构受力合理,契合建筑直纹曲面设计理念,结构与建筑协调统一。The external curtain wall structure of Dalian Suoyuwan Professional Football Stadium is a single⁃layer ethylene tetra fluoro ethylene(ETFE)membrane system supported by steel truss+cross cable net.The 56 radial steel trusses connected to the main structure,the ring frame ramp and the ring horizontal support together constitute the lateral force resistance system of the external curtain wall structure.The parallel cross cable net is set between the ring frame ramps to support the single⁃layer ETFE membrane to form the facade curtain wall of the football field.According to the wind tunnel test and the natural conditions of the site,the wind load resistance,temperature resistance and seismic resistance of the external curtain wall structure were calculated and analyzed.The results of structural dynamic characteristics analysis,structural deformation and stress analysis,and cable structure initial state form finding analysis all meet the requirements of structural design control objectives.The optimization analysis results of the external curtain wall structure show that the force of the pre⁃tension on the cantilever truss can be reduced by setting the cantilever truss equidistantly in the frame column,increasing the horizontal support and setting the steel vertical rods,reducing the cable length and reducing the pre⁃tension.As a secondary structure,the outer wall membrane is hung on the two⁃way oblique cable net.The structure is reasonably stressed,which conforms to the design concept of the building ruled surface,and the structure and the building are coordinated and unified.

关 键 词：大连梭鱼湾专业足球场 索网结构 ETFE膜结构 环向旋转坡道钢结构 悬挑钢桁架 直纹曲面 

分 类 号：TU318[建筑科学—结构工程]