重慶國際博覽中心結(jié)構(gòu)設(shè)計中的關(guān)鍵技術(shù)
衛(wèi)東，周文源，周忠發(fā)，位立強，單瑞增，黃橙，張徐，朱忠義，秦凱
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衛(wèi)東，周文源，周忠發(fā)，位立強，單瑞增，黃橙，張徐，朱忠義，秦凱（北京市建筑設(shè)計研究院有限公司， 北京 100045）［摘要］重慶國際博覽中心項目總建筑面積60萬m2，是我國西部最大的會展綜合體，世界排名前10。博覽中心由南北展館區(qū)總計16個展館、多功能廳、會議中心、酒店和南北臺地商業(yè)區(qū)等7部分組成。展館鋼屋蓋采用70.2m跨立體管桁架，多功能廳鋼屋蓋為117m跨雙向正交平面桁架。各區(qū)域屋蓋上部另設(shè)一面積達53.7萬m2的單層鋁結(jié)構(gòu)裝飾屋蓋，是目前世界上最大的鋁屋蓋。介紹了項目各單體的結(jié)構(gòu)特點，對鋁屋蓋及鋼屋蓋設(shè)計、大跨樓蓋舒適度等設(shè)計難點進行了介紹。［關(guān)鍵詞］鋁結(jié)構(gòu)屋蓋； 立體管桁架； 平面管桁架； 舒適度； 轉(zhuǎn)換構(gòu)件； 博覽中心中圖分類號：TU973.13；TU351 文獻標識碼：A 文章編號：1002-848X(2013)17-0001-08Key technique on structural design of Chongqing International Expo CenterWei Dong, Zhou Wenyuan, Zhou Zhongfa, Wei Liqiang, Shan Ruizeng, Huang Cheng, Zhang Xu, Zhu Zhongyi, Qin Kai（Beijing Institute of Architectural Design, Beijing 100045, China）Abstract: With a total construction area of 0.6 million square meters, Chongqing International Expo Center is one of the top 10 largest venues in the world, the largest in west China. It is constructed in line with the standards for large international convention & exhibition center, with 16 exhibition halls are set in the south and north in symmetry, with multifunctional hall, convention center, hotel and the south and north tableland commercial zone as support. The roof of each exhibition hall is formed by 70.2m-span space trusses. The roof of multifunctional hall is formed by 117m-span bi-directional orthogonality plane trusses. With a total area of 0.537 million square meters, there are the largest aluminum roof structure in the world covering these buildings. The characteristic and difficulties of structural design in each projects, such as aluminum roof and steel roof design, long-span floor structure vibration comfort study, are introduced separately.Keywords: aluminum roof structure; space truss; plane truss; comfort evaluation; transfer member; exhibition center參考文獻［1］周忠發(fā),秦凱,朱忠義,等. 重慶國際博覽中心展館區(qū)屋蓋結(jié)構(gòu)設(shè)計［C］//第十四屆空間結(jié)構(gòu)學(xué)術(shù)會議論文集.2012, 11:787-794.［2］位立強,衛(wèi)東,周文源,等.重慶國際博覽中心酒店結(jié)構(gòu)設(shè)計［C］//第二十二屆全國高層建筑結(jié)構(gòu)學(xué)術(shù)交流會論文集.2012, 10: 85-91.［3］衛(wèi)東,柯長華,王志剛,等.新中國國際展覽中心預(yù)應(yīng)力立體桁架屋蓋結(jié)構(gòu)設(shè)計［J］.建筑結(jié)構(gòu),2008,38(1): 111-114.
