新天津图书馆模型振动台试验设计
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摘要
为测试并研究新天津图书馆在地震作用下的抗震性能,对图书馆主体结构进行了1/20的模型振动台试验。该主体结构为钢框架-支撑体系,内部存在多处不规则抽柱和多处大悬挑桁架,结构竖向极不规则。据此,对该结构振动台试验模型进行了周密的设计与制作,内容包括试验材料的选取、动力相似关系的确定、模型加工技术的探讨以及试验方案的设计。最后,给出了试验的主要结果。
To study seismic behavior of new Tianjin library,a shaking table test of a 1/20 scale model is carried out for the main structure of the library.A steel frame-bracing system is employed in the main structure of the library.There are lots of removing columns and trusses with cantilevers in the interior structure with an irregular fa?ade.Accordingly,this paper designs and products thoroughly the test model,including the selection of model material,the similitude-scaling relationship,the discussion for the model construction technology and design of test program.Finally,this paper lists the main result for the shaking table test.
To study seismic behavior of new Tianjin library,a shaking table test of a 1/20 scale model is carried out for the main structure of the library.A steel frame-bracing system is employed in the main structure of the library.There are lots of removing columns and trusses with cantilevers in the interior structure with an irregular fa?ade.Accordingly,this paper designs and products thoroughly the test model,including the selection of model material,the similitude-scaling relationship,the discussion for the model construction technology and design of test program.Finally,this paper lists the main result for the shaking table test.
引文
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[3]李岳,姜忻良.土与结构相互作用振动台试验模型土设计方法分析[J].工程力学,2010,27(1):73―76.Li Yue,Jiang Xinliang.Analysis of similitude design ofmodel soil used for shaking table test of soil-structureinteraction system[J].Engineering Mechanics,2010,27(1):73―76.(in Chinese)
[4]张敏政,孟庆利,刘晓明.建筑结构的地震模拟试验研究[J].工程抗震,2003,12(4):31―35.Zhang Minzheng,Meng Qingli,Liu Xiaoming.Thestudy of earthquake simulated test for building structures[J].Earthquake Resistant Engineering,2003,12(4):31―35.(in Chinese)
[5]张敏政.地震模拟试验中相似律应用的若干问题[J].地震工程与工程振动,1997,17(2):52―56.Zhang Minzheng.Several questions of similarity in theearthquake simulated test[J].Earthquake Engineeringand Engineering Vibration,1997,17(2):52―56.(inChinese)
[6]邹昀,吕西林.上海环球金融中心大厦整体结构振动台试验设计[J].地震工程与工程振动,2005,25(4):55―59.Zou Jun,Lv Xilin.Shaking table model test design forShanghai World Financial Center[J].EarthquakeEngineering and Engineering Vibration,2005,25(4):55―59.(in Chinese).
[7]田春雨,王翠坤,肖从真,等.广州珠江新城西塔振动台试验研究[J].建筑结构学报,2009,30(增刊1):99―103.Tian Chunyu,Wang Cuikun,Xiao Congzhen,et al.Shaking table test of Guangzhou Zhujiang West Towermodel[J].Journal of Building Structures,2009,30(Suppl 1):99―103.(in Chinese)
[8]周颖,吕西林.不同结构的振动台试验模型等效设计方法[J].结构工程师,2006,22(4):38―40.Zhou Ying,Lv Xilin.Shaking table test model design indifferent structures[J].Structural Engineers,2006,22(4):38―40.(in Chinese)
[9]GB50011-2010,建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.GB 50011-2010,Building code of aseismic designing[S].Beijing:China Architecture Industry Press,2010.(inChinese)
[10]Moaveni B,He X,Conte J P,Restrepo J I.Damageidentification study of a seven-story full-scale buildingslice tested on the UCSD-NEES shake table[J].Structural Safety,2010,32(5):347―356.
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