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（深圳市建筑設(shè)計(jì)研究總院有限公司, 深圳 518031）
［摘要］合肥要素大市場(chǎng)工程采用4組大跨度連體桁架將4個(gè)獨(dú)立單元連成整體，連體桁架跨度分別為51.6m和34.4m。對(duì)連體桁架及其支座進(jìn)行了強(qiáng)度及變形分析，對(duì)連體部分進(jìn)行了舒適度分析、溫度內(nèi)力分析及混凝土收縮內(nèi)力分析，并根據(jù)分析結(jié)果采取了相應(yīng)的構(gòu)造措施。分析結(jié)果表明，中震彈性和舒適度指標(biāo)為連體部分結(jié)構(gòu)的控制指標(biāo)。
［關(guān)鍵詞］連體結(jié)構(gòu)；大跨度；桁架；舒適度；溫度應(yīng)力；收縮應(yīng)力
中圖分類號(hào)：TU318-2文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2012)03-0024-05
Analysis and design on large span steel trusses in a connected building
Wang Bigang, Wang Qiwen, He Xiaoxue, Huang Jianyu, Hu Kai(Shenzhen General Institute of Architectural Design and Research Co., Ltd., Shenzhen 518031, China)
Abstract:Four towers were connected by four groups of trusses. Span of the trusses was 51.6m and 34.4m. Strength and deformation analysis was carried out on the steel trusses and the supports. Comfort analysis, temperature analysis and concrete shrinkage analysis were also studied. Construction measures were adopted in the structure based on the analysis results. The results show that the elastic design under intermediate earthquake and comfort design are control indexes of the large span trusses of the connected building.
Keywords:connected building; large span; truss; comfort degree; temperature stress; shrinkage stress
作者簡(jiǎn)介：王必剛，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:wangbigang1984@163.com。
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