空间张弦结构抗震性能研究
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摘要
为了了解空间张弦结构的动力特性及其抗震性能,首先对该结构和无下部索杆体系的单层网壳进行自振特性分析,然后通过时程分析讨论空间张弦结构在地震作用下的动力响应,并研究了撑杆数量、垂跨比、上弦梁刚度、预应力及拉索截面面积等参数对其动力性能的影响。分析结果表明下部索杆体系能增大空间张弦结构的刚度,空间张弦结构的低阶振型以竖向振动为主。撑杆数量、垂跨比及上弦梁截面的增加有利于增大结构刚度及提高结构抵抗整体变形的能力,但预应力和下弦拉索面积对空间张弦结构抗震性能的影响较小。
The dynamic characteristic of space beam string structure was investigated.The modal analysis was carried out with this structure and the corresponding upper single-layer shell without the lower cable-strut system.Then the time history analysis were performed to study the dynamic behavior of space beam string structures under earthquake action,including the effect of numbers of struts,sag-span ratios,stiffness of upper beams,prestress and area of cables.The results showed that the lower cable-strut system does increase the stiffness of space beam string structures,and most vibration modes of the structure are vertical modes.The increase of numbers of struts,sagspan ratios and sections of upper beams are conducive to the increase of structural stiffness and resisting global deformation.But the effect of prestress and the area of lower cables on the seismic performance of space beam string structure is slight.
The dynamic characteristic of space beam string structure was investigated.The modal analysis was carried out with this structure and the corresponding upper single-layer shell without the lower cable-strut system.Then the time history analysis were performed to study the dynamic behavior of space beam string structures under earthquake action,including the effect of numbers of struts,sag-span ratios,stiffness of upper beams,prestress and area of cables.The results showed that the lower cable-strut system does increase the stiffness of space beam string structures,and most vibration modes of the structure are vertical modes.The increase of numbers of struts,sagspan ratios and sections of upper beams are conducive to the increase of structural stiffness and resisting global deformation.But the effect of prestress and the area of lower cables on the seismic performance of space beam string structure is slight.
引文
[1]Hosozawa O,Shimamura K,Mizutani T.The role of cables in large spanspatial structures:introduction of recent space structures with cables in Japan[J].Engineering Structure,1999,21:795-804.
[2]Saitoh M,Okada A.The role of string in hybrid stringstructures[J].Engineering Structures,1999,21:756-769.
[3]Chen Yiyi,Shen Zuyan,Zhao Xianzhong,et al.Experimental study on a full-scale roof truss of Shanghai Pudong international airport terminal[J].Journal of Building Structure,1999,20(2):9-17.[陈以一,沈祖炎,赵宪忠,等.上海浦东国际机场候机楼钢屋架足尺试验研究[J].建筑结构学报,1999,20(2):9-17.]
[4]Sun Wenbo,Yang Shuyong,Chen Rongyi.Stiffness performance of truss-string structure of Guangzhou International Convention and Exhibition Center[J].Journal of South China University of Technology:Nature Science Edition,2003,31(11):33-36.[孙文波,杨叔庸,陈荣毅,等.广州国际会展中心张弦桁架竖向刚度性能[J].华南理工大学学报:自然科学版,2003,31(11):33-36.]
[5]Li Weibin,Shi Jun,Guo Zhenxing.Research on prestress stretching control of a large-span truss string structure[J].Journal of Southeast University:Nature Science Edition,2003,33(5):593-596.[李维滨,施骏,郭正兴,等.大跨度张弦桁架预应力张拉控制研究[J].东南大学学报:自然科学版,2003,33(5):593-596.]
[6]Fan Ke,Li Zhenbao,Xiao Bing,et al.Shaking table study on the national gymnasium roof model[J].Journal of Beijing University of Technology,2008,34(2):159-166.[樊珂,李振宝,夏兵,等.国家体育馆屋盖模型模拟地震振动台试验研究[J].北京工业大学学报,2008,34(2):159-166.]
[7]Bai Zhengxian,Liu Xiliang,Li Yisheng,et al.Influence analysis of factors of single beam string structures[J].Steel Structures,2001,16(3):42-46.[白正仙,刘锡良,李义生,等.单榀张弦梁结构各因数的影响分析[J].钢结构,2001,16(3):42-46.]
[8]Yang Rui,Dong Shilin,Ni Yingge.Form-finding analysis of prestressed beam string structure[J].Spatial Structures,2002,8(4):29-35.[杨睿,董石麟,倪英戈.预应力张弦梁结构的形态分析[J].空间结构,2002,8(4):29-35.]
[9]Zhou Ruiqin,Fang Zhenzheng.Analysis of form-finding of spatial beam sting structure[J].Journal of Fuzhou Univer-sity:Natural Science,2007,35(2):266-269.[周瑞钦,房贞政.预应力空间张弦梁结构找形分析[J].福州大学学报:自然科学版,2007,35(2):266-269.]
[10]Zhang Chuansheng.Form-finding of the semi-rigid structure[D].Southeast University,2007.[章传胜.半刚性结构的找形分析[D].东南大学,2007.]
[11]Ding Yang,Yue Zengguo,Liu Xiliang.Seismic response a-nalysis of long-span beam string structure[J].Earthquake Engineering and Engineering Vibration,2003,23(5):163-168.[丁阳,岳增国,刘锡良,等.大跨度张弦梁结构的地震响应分析[J].地震工程与工程振动,2003,23(5):163-168.]
[12]Jiang Jianfeng,Feng Jian.Self-vibration characteristics of long-span beam string structure[J].Special Structures,2007,24(1):46-47.[蒋剑峰,冯健.大跨度张弦梁结构的自振特性研究[J].特种结构,2007,24(1):46-47.]
[13]Wang Xiuli,Gao Yuemei,Gao Sen,et al.Analysis of anti-seismic response on bidirectional beam string structure[J].Journal of Gansu Science,2007,19(3):123-126.[王秀丽,高月梅,高森,等.大跨度双向张弦梁动力时程响应分析[J].甘肃科学学报,2007,19(3):123-126.]
[14]Zhao Xianzhong,Chen Jianxing,Chen Yiyi.Experimental study on structural performance during prestressing of beam string structure[J].Journal of Building Structures,2007,28(4):1-7.[赵宪忠,陈建兴,陈以一.张弦梁结构张拉过程中的结构性能试验研究[J].建筑结构学报,2007,28(4):1-7.]
[15]Xue Weichen,Liu Sheng,Su Xulin,et al.Design optimization and experimental study on prestressed beam string of Shanghai Yuanshen Arena[J].Journal of Building Structures,2008,29(1):16-23.[薛伟辰,刘晟,苏旭霖,等.上海源深体育馆预应力张弦梁优化设计与试验研究[J].建筑结构学报,2008,29(1):16-23.]
[16]Zhao Jian.Theoretical analysis and experimental investigation of inplane ultimate bearing capacity of the concave cable-arch[D].Nanjing:Southeast University,2008.[赵剑.内凹式索-拱结构平面内极限承载力理论分析及试验研究[D].南京:东南大学,2008.
[2]Saitoh M,Okada A.The role of string in hybrid stringstructures[J].Engineering Structures,1999,21:756-769.
[3]Chen Yiyi,Shen Zuyan,Zhao Xianzhong,et al.Experimental study on a full-scale roof truss of Shanghai Pudong international airport terminal[J].Journal of Building Structure,1999,20(2):9-17.[陈以一,沈祖炎,赵宪忠,等.上海浦东国际机场候机楼钢屋架足尺试验研究[J].建筑结构学报,1999,20(2):9-17.]
[4]Sun Wenbo,Yang Shuyong,Chen Rongyi.Stiffness performance of truss-string structure of Guangzhou International Convention and Exhibition Center[J].Journal of South China University of Technology:Nature Science Edition,2003,31(11):33-36.[孙文波,杨叔庸,陈荣毅,等.广州国际会展中心张弦桁架竖向刚度性能[J].华南理工大学学报:自然科学版,2003,31(11):33-36.]
[5]Li Weibin,Shi Jun,Guo Zhenxing.Research on prestress stretching control of a large-span truss string structure[J].Journal of Southeast University:Nature Science Edition,2003,33(5):593-596.[李维滨,施骏,郭正兴,等.大跨度张弦桁架预应力张拉控制研究[J].东南大学学报:自然科学版,2003,33(5):593-596.]
[6]Fan Ke,Li Zhenbao,Xiao Bing,et al.Shaking table study on the national gymnasium roof model[J].Journal of Beijing University of Technology,2008,34(2):159-166.[樊珂,李振宝,夏兵,等.国家体育馆屋盖模型模拟地震振动台试验研究[J].北京工业大学学报,2008,34(2):159-166.]
[7]Bai Zhengxian,Liu Xiliang,Li Yisheng,et al.Influence analysis of factors of single beam string structures[J].Steel Structures,2001,16(3):42-46.[白正仙,刘锡良,李义生,等.单榀张弦梁结构各因数的影响分析[J].钢结构,2001,16(3):42-46.]
[8]Yang Rui,Dong Shilin,Ni Yingge.Form-finding analysis of prestressed beam string structure[J].Spatial Structures,2002,8(4):29-35.[杨睿,董石麟,倪英戈.预应力张弦梁结构的形态分析[J].空间结构,2002,8(4):29-35.]
[9]Zhou Ruiqin,Fang Zhenzheng.Analysis of form-finding of spatial beam sting structure[J].Journal of Fuzhou Univer-sity:Natural Science,2007,35(2):266-269.[周瑞钦,房贞政.预应力空间张弦梁结构找形分析[J].福州大学学报:自然科学版,2007,35(2):266-269.]
[10]Zhang Chuansheng.Form-finding of the semi-rigid structure[D].Southeast University,2007.[章传胜.半刚性结构的找形分析[D].东南大学,2007.]
[11]Ding Yang,Yue Zengguo,Liu Xiliang.Seismic response a-nalysis of long-span beam string structure[J].Earthquake Engineering and Engineering Vibration,2003,23(5):163-168.[丁阳,岳增国,刘锡良,等.大跨度张弦梁结构的地震响应分析[J].地震工程与工程振动,2003,23(5):163-168.]
[12]Jiang Jianfeng,Feng Jian.Self-vibration characteristics of long-span beam string structure[J].Special Structures,2007,24(1):46-47.[蒋剑峰,冯健.大跨度张弦梁结构的自振特性研究[J].特种结构,2007,24(1):46-47.]
[13]Wang Xiuli,Gao Yuemei,Gao Sen,et al.Analysis of anti-seismic response on bidirectional beam string structure[J].Journal of Gansu Science,2007,19(3):123-126.[王秀丽,高月梅,高森,等.大跨度双向张弦梁动力时程响应分析[J].甘肃科学学报,2007,19(3):123-126.]
[14]Zhao Xianzhong,Chen Jianxing,Chen Yiyi.Experimental study on structural performance during prestressing of beam string structure[J].Journal of Building Structures,2007,28(4):1-7.[赵宪忠,陈建兴,陈以一.张弦梁结构张拉过程中的结构性能试验研究[J].建筑结构学报,2007,28(4):1-7.]
[15]Xue Weichen,Liu Sheng,Su Xulin,et al.Design optimization and experimental study on prestressed beam string of Shanghai Yuanshen Arena[J].Journal of Building Structures,2008,29(1):16-23.[薛伟辰,刘晟,苏旭霖,等.上海源深体育馆预应力张弦梁优化设计与试验研究[J].建筑结构学报,2008,29(1):16-23.]
[16]Zhao Jian.Theoretical analysis and experimental investigation of inplane ultimate bearing capacity of the concave cable-arch[D].Nanjing:Southeast University,2008.[赵剑.内凹式索-拱结构平面内极限承载力理论分析及试验研究[D].南京:东南大学,2008.
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