矩形鋼管混凝土組合柱框架-支撐結(jié)構(gòu)體系住宅設(shè)計(jì)
于敬海1，2，趙騰3，陳志華2，3，閆翔宇1，2，趙炳震3，王丹妮1
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（1 天津大學(xué)建筑設(shè)計(jì)研究院， 天津 300073； 2 天津市房屋建筑鋼結(jié)構(gòu)技術(shù)工程中心， 天津 300072；3 天津大學(xué)建筑工程學(xué)院， 天津 300072）
［摘要］滄州福康家園6#樓結(jié)構(gòu)高度為53.2m，采用矩形鋼管混凝土組合柱框架-支撐結(jié)構(gòu)體系。為保證結(jié)構(gòu)設(shè)計(jì)分析的準(zhǔn)確性，分別選用MIDAS/Gen,YJK,ETABS三種軟件進(jìn)行計(jì)算，對(duì)風(fēng)荷載和多遇地震作用下的主要分析結(jié)果進(jìn)行對(duì)比。計(jì)算結(jié)果表明，三種軟件的計(jì)算結(jié)果基本一致，結(jié)構(gòu)的周期比、層間位移角、樓層剪力與側(cè)向剛度等均滿足規(guī)范要求。選用三條地震波對(duì)結(jié)構(gòu)進(jìn)行彈性動(dòng)力時(shí)程分析補(bǔ)充計(jì)算得出的基底剪力包絡(luò)值小于采用振型分解反應(yīng)譜法的計(jì)算結(jié)果，設(shè)計(jì)取二者包絡(luò)值。對(duì)結(jié)構(gòu)設(shè)計(jì)中遇到的關(guān)鍵問(wèn)題和重要節(jié)點(diǎn)設(shè)計(jì)進(jìn)行了探討。［關(guān)鍵詞］矩形鋼管混凝土組合柱; 支撐; 彈性時(shí)程分析; 加肋鋼板式組合柱中圖分類號(hào)：TU973 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2015)16-0047-05Residential building design of concrete-filled rectangular steel tubular composite column frame-bracing structural systemYu Jinghai1,2, Zhao Teng3, Chen Zhihua2,3, Yan Xiangyu1,2, Zhao Bingzhen3, Wang Danni1(1 Architectural Design and Research Institute of Tianjin University, Tianjin 300073, China; 2 Tianjin Steel Building Structure Engineering Center, Tianjin 300072, China; 3 School of Civil Engineering, Tianjin University, Tianjin 300072, China)Abstract: The Tower 6 of Fukang Jiayuan in Cangzhou is a 53.2m high structure with the structural system of concrete-filled rectangular steel tubular composite columns frame-bracing. To guarantee the accuracy of structural design, programs such as MIDAS/Gen, YJK and ETABS were used to analyze the structure performance under wind load and frequent earthquake．The results of three programs all consistently show that the period ratio, inter-story drift ratio, story shear force and lateral stiffness can meet the requirement of codes．The envelope value of base shear force determined by analysis of elastic time-history action by three seismic waves is smaller than the results of response spectrum analysis．The key problems and important joint designs in structural design were introduced.Keywords: concrete-filled rectangular steel tubular composite column; bracing; elastic time-history analysis; ribbed slab stiffened composite column
作者簡(jiǎn)介：于敬海，博士，研究員，Email:yjh300072@163.com。
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