帶空腹箱形鋼桁架的連體結(jié)構(gòu)設(shè)計(jì)
張敏，苗平洲
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（蘇州設(shè)計(jì)研究院股份有限公司， 蘇州 215021）［摘要］西交利物浦大學(xué)研發(fā)樓為平面及豎向特別不規(guī)則的結(jié)構(gòu)。針對二、三層平面⑥～⑨軸間大跨度連廊，采用一端帶滑動支座的空腹箱形鋼桁架，以充分發(fā)揮空間桁架優(yōu)勢，滿足建筑立面效果和凈高要求；對于四層平面以上高位轉(zhuǎn)換連體結(jié)構(gòu)，通過多軟件的比較分析、彈性時(shí)程分析、彈塑性靜力分析、關(guān)鍵構(gòu)件抗震性能化設(shè)計(jì)，并采取相應(yīng)抗震措施，分析結(jié)果表明結(jié)構(gòu)具有充分的抗震能力。［關(guān)鍵詞］大跨度； 空腹桁架； 箱形桁架； 滑動支座； 高位轉(zhuǎn)換； 連體結(jié)構(gòu)中圖分類號：TU318文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2013)20-0059-05Structural design of connected structure with hollow box steel trussZhang Min, Miao Pingzhou（Suzhou Institute of Architectural Design Co., Ltd., Suzhou 215021, China）Abstract: Scientific Research Building of Xi’an Jiaotong Liverpool University is serious irregular in planar and vertical arrangement. For structural design of large-span corridor from axis 6 to axis 9 between story 2 and 3, hollow box steel truss with sliding bearing at one end was used to take fully advantage of the spatial truss and meet the need of elevation effects and story height. Different programs were applied to analyze the connected structure with high-located transfer story, and results of elastic time-history analysis, elastic-plastic static analysis and so on were compared. Performance-based seismic design and seismic details design were applied in key members design. Conclusions indicate that this structure has sufficient seismic capacity.Keywords: large-span; vierendeel truss; box truss; sliding bearing; high-located transfer story; connected structure作者簡介：張敏，教授級高級工程師，一級注冊結(jié)構(gòu)工程師，副總工程師，Email:min.zhang@siad-c.com。參考文獻(xiàn)［1］GB 50223—2008建筑工程抗震設(shè)防分類標(biāo)準(zhǔn)［S］. 北京:中國建筑工業(yè)出版社，2008.［2］GB 50011—2001建筑抗震設(shè)計(jì)規(guī)范［S］. 2008年版. 北京:中國建筑工業(yè)出版社，2008.［3］GB 50017—2003 鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范［S］. 北京:中國計(jì)劃出版社，2003.［4］陳紹蕃. 鋼結(jié)構(gòu)設(shè)計(jì)原理［M］. 2版. 北京:中國建筑工業(yè)出版社，1998.［5］李國強(qiáng). 多高層建筑鋼結(jié)構(gòu)設(shè)計(jì)［M］. 北京:中國建筑工業(yè)出版社，2004.
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