江苏溧水体育场结构方案设计与分析
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摘要
介绍了江苏溧水体育场上部钢管桁架下部混凝土框架结构的设计理念和结构体系.采用有限元软件MI-DAS对钢结构独立模型和钢结构与混凝土结构整体模型进行了静力分析、模态分析和反应谱分析的比较.结果表明,该结构在两种模型中的杆件内力变化不大,节点位移变化较大,而结构的自振特性及在地震作用下的响应差异很大.当上部结构刚度较大,而下部结构刚度较小时,应进行上下部结构的整体分析,考虑结构的共同工作.
Based on the steel-pipe truss superstructure and concrete frame substructure of Jiangsu Lishui Stadium,design concept and structural system were introduced.With FEM software MIDAS,the static analysis,modal analysis and response spectrum analysis for the individual model of steel structure and the whole model of steel-concrete structure were calculated and compared.Results show that the difference between two models is not evident in internal force of bars.While it is larger in displacement of joints,and evident in character of free vibration and the response of earthquake action.The whole structure analysis should be considered assuming that the stiffness of the upper part is larger than that of the lower parts.
Based on the steel-pipe truss superstructure and concrete frame substructure of Jiangsu Lishui Stadium,design concept and structural system were introduced.With FEM software MIDAS,the static analysis,modal analysis and response spectrum analysis for the individual model of steel structure and the whole model of steel-concrete structure were calculated and compared.Results show that the difference between two models is not evident in internal force of bars.While it is larger in displacement of joints,and evident in character of free vibration and the response of earthquake action.The whole structure analysis should be considered assuming that the stiffness of the upper part is larger than that of the lower parts.
引文
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[2]尹思明,胡瀛珊,刘旭,等.某体育馆多次预应力钢网壳屋盖结构设计与研究[J].工业建筑,1998,28(7):16-19.YIN Si-ming,HU Ying-shan,LIU Xu,et al.Structur-al design and studies on a several prestressed steel meshroof of a sports centre[J].Industrial Construction,1998,28(7):16-19.
[3]张毅刚,孔祥和.网架结构体系的水平抗震性能[J].工业建筑,1998,28(7):11-15.ZHANG Yi-gang,KONG Xiang-he.The aseismic char-acteristic of full structure system including space trussesunder horizontal earthquake[J].Industrial Construc-tion,1998,28(7):11-15.
[4]KAWAGUCHI M,Design problems of long span spatialstructures[J].Engineering Structures,1991,13(2):144-163.
[5]张曼生,王树,管志忠,等.山西科技馆结构设计[J].建筑结构,2009,39(10):90-93.ZHANG Man-sheng,WANG Shu,GUAN Zhi-zhong,et al.Design research of Shanxi Provincial Science andTechnology Museum[J].Building Structure,2009,39(10):90-93.
[6]沈金龙,管志忠,张玲.2010上海世博会中国航空馆结构设计研究[J].建筑结构,2009,39(10):107-111.SHEN Jin-long,GUAN Zhi-zhong,ZHANG Ling.De-sign and research of structure system of China AviationPavilion in World Expo 2010 Shanghai[J].BuildingStructure,2009,39(10):107-111.
[7]傅学怡,高颖,杨想兵.总装分析对大跨空间结构设计的重要性[J].空间结构,2009,15(1):3-10.FU Xue-yi,GAO Ying,YANG Xiang-bing.Importanceof whole structural analysis in long-span structural de-sign[J].Spatial Structures,2009,15(1):3-10.
[8]傅学怡,杨想兵,高颖,等.济南奥体中心体育场结构设计[J].空间结构,2009,15(1):11-19.FU Xue-yi,YANG Xiang-bing,GAO Ying,et al.Structural design for Jinan Olympic Stadium[J].SpatialStructures,2009,15(1):11-19.
[9]GB50010-2002.混凝土结构设计规范[S].北京:中国建筑工业出版社,2002.
[10]董石麟,罗尧治,赵阳,等.新型空间结构分析、设计与施工[M].北京:人民交通出版社,2006.
[11]GB50017-2003.钢结构设计规范[S].北京:中国计划出版社,2003.
[12]曹资,薛素铎.空间结构抗震理论与设计[M].北京:科学出版社,2005.
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