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(中信建筑設(shè)計(jì)研究總院有限公司， 武漢 430014)

［摘要］ 第七屆世界軍運(yùn)會(huì)主會(huì)場空中威亞系統(tǒng)屬于雙層單索懸索結(jié)構(gòu)，結(jié)構(gòu)形式選用鋼桁架立柱+錨索+懸索結(jié)構(gòu)。在懸索兩端設(shè)置鋼桁架立柱，立柱之間采用鋼桁架連接，增加結(jié)構(gòu)整體性。主要介紹了該項(xiàng)目的預(yù)張力懸鏈線設(shè)計(jì)，通過合理的結(jié)構(gòu)設(shè)計(jì)，實(shí)現(xiàn)了初始預(yù)應(yīng)力狀態(tài)鋼桁架立柱塔頂水平變形為零的控制目標(biāo)，滿足了導(dǎo)演組提出的單索懸索結(jié)構(gòu)的小垂度大載荷的要求。 

［關(guān)鍵詞］第七屆世界軍運(yùn)會(huì)；武漢體育中心；體育場；雙層單索懸索結(jié)構(gòu)；鋼桁架立柱；懸鏈線設(shè)計(jì) 

中圖分類號(hào)：TU393-3 文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)22-0043-06

Design and analysis of double-layer single-cable suspension WIA structure in the main session of 7th CISM Military World Games 

LI  Zhi,  TU  Jian,  YANG  Yuanqiang,  CAO  Kai 

(CITIC General Institute of Architectural Design and Research Co., Ltd., Wuhan 430014， China) 

Abstract: The WIA structure in the main session of 7th CISM World Military Games belongs to the double-layer single-cable suspension structure, and the structural type is steel truss column+anchor cable+suspension cable structure. Steel truss columns are set at both ends of the suspension cable, and steel truss is used to connect the columns to increase the integrity of the structure. The pretension catenary design of the project was mainly introduced，through reasonable structural design, the control target of zero horizontal deformation on the top of the steel truss column tower in the initial pre-stress state is achieved, which meets the requirement of the single-cable suspension structure with small sag and large load proposed by the director group. 

Keywords:7th CISM World Military Games； Wuhan Sports Center; stadium; double-layer single-cable suspension structure； steel truss column； catenary design

作者簡介：李治，碩士，教授級(jí)高級(jí)工程師，Email:lizhi_whadi@163.com。