杭州电竞中心车辐式索承网格屋盖结构设计  

Structural design of spoke-type cable-supported grid roof in Hangzhou E-sports Center

作　　者：熊森[1] 冯孝宾 朱铭超 张卫[1] 李朋 XIONG Sen;FENG Xiaobin;ZHU Mingchao;ZHANG Wei;LI Peng(Central-South Architectural Design Institute Co.,Ltd.,Wuhan 430071,China)

机构地区：[1]中南建筑设计院股份有限公司,武汉430071

出　　处：《建筑结构》2024年第17期16-22,共7页Building Structure

摘　　要：索承网格结构是一种新型空间结构形式,广泛应用于大跨度空间结构中。针对杭州电竞中心车辐式索承网格屋盖结构进行分析和设计,采用MIDAS有限元软件进行索张拉施工方案设计与仿真,采用ABAQUS有限元软件进行稳定性分析和大震动力弹塑性分析。分析结果表明:在施工过程各个阶段,屋盖钢结构构件应力比始终小于1,索拉力小于索破断力的30%;施工完成时,与设计值相比,屋盖结构最大竖向位移和索内拉力的误差分别为6%和4%;屋盖结构稳定安全系数为9.63,单层网壳结构稳定安全系数为31.2,均大于规范规定的2.0,屋盖结构稳定性满足要求;初始缺陷对本工程单层网壳的影响很小;在大震作用下,屋盖结构构件均未出现塑性变形,且预应力拉索不退张。The cable-supported grid structure is a new type of space structure,which is widely used in large-span space structures.The spoke-type cable-supported grid roof structure of Hangzhou E-sports Center was analyzed and designed,MIDAS finite element software was used to design and simulate the cable tension construction scheme,and ABAQUS finite element software was used to carry out stability analysis and large vibration elastic-plastic analysis.The analysis results show that:at each stage of the construction process,the steel structure members of the roof are always less than 1,and the cable tension is less than 30%of the cable breaking force.When the construction is completed,compared with the design value,the maximum vertical displacement and inner tension of the roof structure errors are 6%and 4%respectively;the safety factor of the roof structure is 9.63,and the safety factor of the single-layer reticulated shell structure is 31.2,both of which are greater than 2.0 specified in the code,and the stability of the roof structure meets the requirements.The impact of initial defects on the single-layer lattice shell of this project is very small.Under the action of large earthquakes,no plastic deformation occurs in the structural members of the roof,and the prestressed cables do not retreat.

关 键 词：杭州亚运会 杭州电竞中心 钢结构屋盖 车辐式索承网格结构 索张拉施工模拟 稳定性分析 

分 类 号：TU393[建筑科学—结构工程]