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（成都基準(zhǔn)方中建筑設(shè)計(jì)有限公司， 成都 610011）

［摘要］金強(qiáng)國(guó)際賽事中心體育館下部為鋼筋混凝土框架-剪力墻結(jié)構(gòu)；上部為橢圓形雙坡鋼結(jié)構(gòu)屋面，采用雙向正交平面桁架組成的正放網(wǎng)架結(jié)構(gòu)，最大跨度為109.700m。對(duì)主體結(jié)構(gòu)、大跨屋蓋鋼結(jié)構(gòu)以及支座選型做了詳細(xì)的方案比較，重點(diǎn)介紹了分析和設(shè)計(jì)中涉及的關(guān)鍵問題，并采用多種有限元軟件對(duì)結(jié)構(gòu)進(jìn)行了各種荷載工況下的整體受力分析，同時(shí)對(duì)結(jié)構(gòu)的關(guān)鍵節(jié)點(diǎn)進(jìn)行了分析。分析結(jié)果表明，結(jié)構(gòu)能夠滿足預(yù)設(shè)性能目標(biāo)，屋蓋桿件應(yīng)力比、變形及整體穩(wěn)定性均能滿足設(shè)計(jì)要求。

［關(guān)鍵詞］體育館；框架-剪力墻結(jié)構(gòu)；正交平面桁架；彈性鋼支座；整體穩(wěn)定性；分片滑移法施工

中圖分類號(hào)：TU318， TU391文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)10-0041-08

Structural design and analysis of gymnasium of Jinqiang International Sports Center

HU Zhenjie, XU Ping, CHEN Pingyou

(Chendu JZFZ Architectural Design Co., Ltd., Chengdu 610011, China)

Abstract:The lower part of the gymnasium of Jinqiang International Sports Center is reinforced concrete frame-shear wall structure, and the upper part is  elliptical double-slope steel roof which adopts square space grids composed of two-way orthogonal plane trusses, with a maximum span of 109.700m. The detailed comparison was conducted of the schemes of the main structure, the large-span roof steel structure and bearings. The key issues involved in the analysis and design were introduced emphacically. A variety of finite element programs were used to conduct the overall mechanical analysis of the structure under various loading working conditions and the key nodes of the structure were also analyzed. The analysis results show that the structure can meet the preset performance goals, and the stress ratio, deformation and overall stability of the roof components can meet the design requirements.

Keywords:gymnasium;frame-shear wall structure;orthogonal plane truss;flexible steel bearing;overall stability;construction by section sliding method

作者簡(jiǎn)介：胡振杰，學(xué)士，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:34393991@qq.com。