石家莊國際會(huì)展中心標(biāo)準(zhǔn)展廳鋼結(jié)構(gòu)設(shè)計(jì)分析
沈春祥，張同億，張春俊，柴萬先，王若南，賀晶
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沈春祥，張同億，張春俊，柴萬先，王若南，賀晶（中國中元國際工程公司，北京100089）［摘要］石家莊國際會(huì)展中心標(biāo)準(zhǔn)展廳屋蓋呈折板形，采用斜放倒三角形空間桁架和變坡次桁架構(gòu)成的結(jié)構(gòu)體系，巧妙實(shí)現(xiàn)了建筑造型，主桁架跨度72m，豎向構(gòu)件采用鋼管混凝土柱。介紹了結(jié)構(gòu)體系及屋蓋布置，通過風(fēng)洞試驗(yàn)得到風(fēng)荷載取值，給出結(jié)構(gòu)靜力、動(dòng)力及穩(wěn)定性分析結(jié)果，并對關(guān)鍵節(jié)點(diǎn)進(jìn)行驗(yàn)算。分析結(jié)果表明在各種不利荷載工況下，結(jié)構(gòu)的周期、位移、應(yīng)力等指標(biāo)均滿足規(guī)范要求，屋蓋具有良好的整體穩(wěn)定性。［關(guān)鍵詞］折板；倒三角形空間桁架；風(fēng)洞試驗(yàn)；靜力計(jì)算；穩(wěn)定性分析中圖分類號(hào)：TU393.3 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)03-0029-04Analysis and design on the steel structure of standard exhibition hall inShijiazhuang International Convention and Exhibition CenterShen Chunxiang, Zhang Tongyi, Zhang Chunjun, Chai Wanxian, Wang Ruonan, He Jing(China IPPR International Engineering Corporation, Beijing 100089, China)Abstract: The roof of the standard exhibition hall of Shijiazhuang International Convention and Exhibition Center has a folding plate shape. The roof is formed by inverted triangular space truss and secondary truss，which elevation varies on the basis of architectural model. The span of the main truss is 72m. The whole roof is supported by concretefilled steel tubular columns. The structure system and the roof arrangement were introduced, and the wind pressure value was decided through the wind tunnel test. The results of the static, dynamic and stability analysis were provided. The sample analysis of important node was carried on. The results of the analysis show that all the period, displacement and stress of the structure fulfill the code, and the whole stability of the roof is good.Keywords: folded plate; inverted triangular space truss; wind tunnel test; static analysis; stability analysis作者簡介：沈春祥，碩士，高級工程師，一級注冊結(jié)構(gòu)工程師，Email: shenchunxiang@ippr.net參考文獻(xiàn)［1］石家莊國際會(huì)展中心風(fēng)荷載及風(fēng)振研究報(bào)告［R］. 石家莊：石家莊鐵道大學(xué)風(fēng)工程研究中心, 2012.［2］GB 50009—2001建筑結(jié)構(gòu)荷載規(guī)范［S］. 2006年版. 北京：中國建筑工業(yè)出版社，2006.［3］JGJ 7—2010空間網(wǎng)格結(jié)構(gòu)技術(shù)規(guī)程［S］. 北京：中國建筑工業(yè)出版社，2010.［4］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.
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