天津中醫(yī)藥大學(xué)新建體育館屋蓋弦支穹頂結(jié)構(gòu)設(shè)計(jì)*
于敬海1,2，王政凱3，閆翔宇1,2，丁永君1，何彩云1，于泳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］結(jié)合天津中醫(yī)藥大學(xué)新建體育館的建筑造型和使用功能，針對(duì)屋面形狀、支承點(diǎn)選擇、曲屋蓋結(jié)構(gòu)形式、外裝飾部分鋼結(jié)構(gòu)4個(gè)方面進(jìn)行了方案比選，確定屋蓋采用弦支穹頂結(jié)構(gòu)，與外桁架協(xié)同作用構(gòu)成整體。利用MIDAS/Gen 800軟件對(duì)結(jié)構(gòu)進(jìn)行了建模計(jì)算，在各種荷載工況及組合下對(duì)結(jié)構(gòu)進(jìn)行了分析，得到了結(jié)構(gòu)的靜動(dòng)力響應(yīng)?？紤]全跨活載和半跨活載，利用ABAQUS軟件對(duì)結(jié)構(gòu)在幾何、材料雙重非線性下進(jìn)行了計(jì)算分析，得到了結(jié)構(gòu)穩(wěn)定性能。計(jì)算結(jié)果表明，結(jié)構(gòu)各個(gè)指標(biāo)均滿足規(guī)范要求。［關(guān)鍵詞］天津中醫(yī)藥大學(xué)新建體育館; 弦支穹頂; 穩(wěn)定性能; 雙重非線性中圖分類號(hào)：TU393.3，TU318 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2015)16-0001-05
Structural design of suspendome structure roof of new gymnasium of Tianjin University of Traditional Chinese MedicineYu Jinghai1,2, Wang Zhengkai3, Yan Xiangyu1，2, Ding Yongjun1, He Caiyun1, Yu Yong1(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: Considering the architectural shape and service function of new gymnasium of Tianjin University of Traditional Chinese Medicine, the structural schemes were compared and selected in four aspects, including the roof shape, the selection of bearing point, the structural form of curved roof and the steel structure of the outer decoration part. The suspendome structure was chosen, interacting with the external truss to constitute the whole structure. By MIDAS/Gen 800 software, the model of the structure was established. Under various load cases and combinations, analysis of the structure was carried out and the static and dynamic responses of the structure were obtained. Using ABAQUS software, calculation and analysis were made for dual nonlinear of material and geometry to obtain the structure stability under full span live load and half span live load. The calculation results show that each index can meet the requirement of specifications.Keywords: new gymnasium of Tianjin University of Traditional Chinese Medicine; suspendome; stability; dual nonlinear
*天津市科技支撐計(jì)劃（13ZCZDSF01400）,天津市建設(shè)系統(tǒng)科學(xué)技術(shù)發(fā)展計(jì)劃（2014-03）。作者簡(jiǎn)介：于敬海，博士，研究員，Email：yjh300072@163.com。
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