三维隔震抗倾覆结构振动台试验
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摘要
应用一种具有自主知识产权的被动控制装置——碟形弹簧三维隔震抗倾覆支座(3D-BIORD-DS)对一高层钢框架模型结构进行了隔离三向地震动激励的振动台试验。介绍了装置的设计原理和力学性能试验,试验结果表明:装置内置钢丝绳交错与否对装置的水平性能有较大影响;装置具有足够的竖向承载力。进行了模型结构振动台试验,考查了4条地震动作用下的结构反应。对试验结果的分析表明:不管是短周期地震动还是长周期地震动,装置都能够较好地减小结构的三向地震响应;但是结构的倾角反应较大,表明支座的竖向刚度应当进行更加合理的设计,以满足可使用性要求。
Shaking table tests of a high-rise frame structure model under three dimensional ground motion excitations were carried out. There were passive control devices of independent intellectual property rights under the base of the model and the devices were named three-dimensional base isolation and an overturn resistance device with a disk spring (3D-BIORD-DS). The design principles and mechanical property tests of the devices were introduced. The tests results show that whether the inner wire rope stagger has influence on the horizontal properties of the device,the device has enough vertical bearing capacity. Then,shaking table tests of the model were performed for the study of structural responses under four different ground motions. The analyses for the test results indicate that the devices can reduce the three dimensional seismic responses well,whether for the short-period ground motions or the long-period ground motions. But the tilt angle reactions of the structure are relatively large,which show that the vertical stiffness of the device should be designed more reasonably for the workability requirement.
Shaking table tests of a high-rise frame structure model under three dimensional ground motion excitations were carried out. There were passive control devices of independent intellectual property rights under the base of the model and the devices were named three-dimensional base isolation and an overturn resistance device with a disk spring (3D-BIORD-DS). The design principles and mechanical property tests of the devices were introduced. The tests results show that whether the inner wire rope stagger has influence on the horizontal properties of the device,the device has enough vertical bearing capacity. Then,shaking table tests of the model were performed for the study of structural responses under four different ground motions. The analyses for the test results indicate that the devices can reduce the three dimensional seismic responses well,whether for the short-period ground motions or the long-period ground motions. But the tilt angle reactions of the structure are relatively large,which show that the vertical stiffness of the device should be designed more reasonably for the workability requirement.
引文
[1]Mitsuru K,Tsutomu I,Katsuhiko U.Development of three-dimensional base isolation system with cable reinforcing air spring[C].Prague:Transactions of the17th International Conference on Structural Mechanics in Reactor Technology,2003.
[2]孟庆利,林德全,张敏政.三维隔震系统振动台实验研究[J].地震工程与工程振动,2007,27(3):116―120.Meng Qingli,Lin Dequan,Zhang Minzheng.Study on three-dimensional isolated system in shaking table test[J].Journal of Earthquake Engineering and Engineering vibration,2007,27(3):116―120.(in Chinese)
[3]魏陆顺,周福霖,任珉.三维隔震(振)支座的工程应用与现场测试[J].地震工程与工程振动,2007,27(3):121―125.Wei Lushun,Zhou Fulin,Ren Min.Application of three-dimensional seismic and vibration isolator to building and site test[J].Journal of Earthquake Engineering andEngineering Vibration,2007,27(3):121―125.(in Chinese)
[4]吴香香,李宏男.竖向地震动对基础隔震结构高宽比限值的影响[J].同济大学学报,2004,32(1):10―14.Wu Xiangxiang,Li Hongnan.Effect of vertical motion on limit ratio of height to width for isolated structure[J].Journal of Tongji University,2004,32(1):10―14.(in Chinese)
[5]祁皑,范宏伟.基于结构设计的基础隔震结构高宽比限值的研究[J].土木工程学报,2007,40(4):13―20.Qi Ai,Fan Hongwei.A structural design study on the limit of height-width ratio of base-isolated structures[J].China Civil Engineering Journal,2007,40(4):13―20.(in Chinese)
[6]Wang T Y,Wang H D,Zhang Y S.The height-width ratio limited value for rubber bearing isolated structure computed by uniform design method[J].Journal of Harbin Institute of Technology,2007,14(1):36―40.
[7]王铁英,王焕定,刘文光.大高宽比橡胶垫隔震结构振动台试验研究(2)[J].哈尔滨工业大学学报,2007,39(2):196―200.Wang Tieying,Wang Huanding,Liu Wenguang.Shaking table test study on large height-width ratio rubber bearings isolation structure(2)[J].Journal of Harbin Institute of Technology,2007,39(2):196―200.(in Chinese)
[8]张永山,王焕定,颜学渊.改进型三维隔震装置[P].中国:ZL200620064041.8,2006.Zhang Yongshan,Wang Huanding,Yan Xueyuan.Improved device for3dimensional base isolation[P].China:ZL200620064041.8,2006.(in Chinese)
[9]张永山,王焕定,颜学渊.一种具有抗拉作用的叠层橡胶隔震支座[P].中国:ZL200620064042.2,2006.Zhang Yongshan,Wang Huanding,Yan Xueyuan.A rubber bearing of pull-resistance ability[P].China:ZL200620064042.2,2006.(in Chinese)
[10]付伟庆.磁流变智能隔震与橡胶垫高层隔震的理论与试验研究[D].哈尔滨:哈尔滨工业大学,2005.Fu Weiqing.Research on theory and experiment of smart isolation with magnetorheological damper and rubber bearing isolation for high-rising building[D].Harbin:Harbin Institute of Technology,2005.(in Chinese)
[2]孟庆利,林德全,张敏政.三维隔震系统振动台实验研究[J].地震工程与工程振动,2007,27(3):116―120.Meng Qingli,Lin Dequan,Zhang Minzheng.Study on three-dimensional isolated system in shaking table test[J].Journal of Earthquake Engineering and Engineering vibration,2007,27(3):116―120.(in Chinese)
[3]魏陆顺,周福霖,任珉.三维隔震(振)支座的工程应用与现场测试[J].地震工程与工程振动,2007,27(3):121―125.Wei Lushun,Zhou Fulin,Ren Min.Application of three-dimensional seismic and vibration isolator to building and site test[J].Journal of Earthquake Engineering andEngineering Vibration,2007,27(3):121―125.(in Chinese)
[4]吴香香,李宏男.竖向地震动对基础隔震结构高宽比限值的影响[J].同济大学学报,2004,32(1):10―14.Wu Xiangxiang,Li Hongnan.Effect of vertical motion on limit ratio of height to width for isolated structure[J].Journal of Tongji University,2004,32(1):10―14.(in Chinese)
[5]祁皑,范宏伟.基于结构设计的基础隔震结构高宽比限值的研究[J].土木工程学报,2007,40(4):13―20.Qi Ai,Fan Hongwei.A structural design study on the limit of height-width ratio of base-isolated structures[J].China Civil Engineering Journal,2007,40(4):13―20.(in Chinese)
[6]Wang T Y,Wang H D,Zhang Y S.The height-width ratio limited value for rubber bearing isolated structure computed by uniform design method[J].Journal of Harbin Institute of Technology,2007,14(1):36―40.
[7]王铁英,王焕定,刘文光.大高宽比橡胶垫隔震结构振动台试验研究(2)[J].哈尔滨工业大学学报,2007,39(2):196―200.Wang Tieying,Wang Huanding,Liu Wenguang.Shaking table test study on large height-width ratio rubber bearings isolation structure(2)[J].Journal of Harbin Institute of Technology,2007,39(2):196―200.(in Chinese)
[8]张永山,王焕定,颜学渊.改进型三维隔震装置[P].中国:ZL200620064041.8,2006.Zhang Yongshan,Wang Huanding,Yan Xueyuan.Improved device for3dimensional base isolation[P].China:ZL200620064041.8,2006.(in Chinese)
[9]张永山,王焕定,颜学渊.一种具有抗拉作用的叠层橡胶隔震支座[P].中国:ZL200620064042.2,2006.Zhang Yongshan,Wang Huanding,Yan Xueyuan.A rubber bearing of pull-resistance ability[P].China:ZL200620064042.2,2006.(in Chinese)
[10]付伟庆.磁流变智能隔震与橡胶垫高层隔震的理论与试验研究[D].哈尔滨:哈尔滨工业大学,2005.Fu Weiqing.Research on theory and experiment of smart isolation with magnetorheological damper and rubber bearing isolation for high-rising building[D].Harbin:Harbin Institute of Technology,2005.(in Chinese)
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