组合隔振(震)砌体结构模型振动台竖向隔振研究
|
摘要
采用橡胶支座做基础隔震的结构隔离水平地震作用的效果已被众多试验和实际工程所证实,然而能否通过适当的组合和设计使橡胶支座基础隔震结构在隔离水平地震作用的同时,能够隔离地铁引起的建筑结构竖向振动具有重要的研究价值。某6层砌体结构拟采用橡胶支座与叠层橡胶滑板支座并联组合作为隔振(震)层来隔离地铁引起的竖向振动。为了检验该组合隔振(震)系统的竖向隔振性能,对此6层砌体结构的模型进行了振动台试验,测试了模型的自振频率,检验了模型竖向隔振能力。结果表明,这种组合隔振(震)系统能够有效地隔离地铁引起的结构振动,可以在有类似要求的工程中推广使用。
It had been confirmed by numerous experiments and engineering facts that the isolation ability of the isolation structure with rubber bearing was excellent.It will be of great value if we can achieve the vertical vibration isolation capacity as well as the horizontal seismic isolation capacity by some kind of design and rearrange the rubber bearing.A six-story masonry structure was supposed to use rubber bearings and laminated rubber sliding bearings as its isolator layer to isolate the vertical vibration.To appraise the vertical seismic isolation effect of the composite isolation system,a model of the six-story masonry structure was designed and tested on the shaking table.The natural frequency and vertical vibration capacity was testified.It is shown that this composite isolation system can effectively isolate the subway induced vibration.The research results can be a reference in theory and method for the similar engineering.
It had been confirmed by numerous experiments and engineering facts that the isolation ability of the isolation structure with rubber bearing was excellent.It will be of great value if we can achieve the vertical vibration isolation capacity as well as the horizontal seismic isolation capacity by some kind of design and rearrange the rubber bearing.A six-story masonry structure was supposed to use rubber bearings and laminated rubber sliding bearings as its isolator layer to isolate the vertical vibration.To appraise the vertical seismic isolation effect of the composite isolation system,a model of the six-story masonry structure was designed and tested on the shaking table.The natural frequency and vertical vibration capacity was testified.It is shown that this composite isolation system can effectively isolate the subway induced vibration.The research results can be a reference in theory and method for the similar engineering.
引文
[1]FIALA P,DEGRANDE G,AUGUSZTINOVICZ F.Numerical modeling of ground-borne noise and vibrationin buildings due to surface rail traffic[J].Journal ofSound and Vibration,2007,301(3-5):718-738.
[2]TALBOT J P,HUNT H E M.A generic model forevaluating the performance of base-isolated buildings[J].Journal of Low Frequeney Noise,Vibration and ActiveControl,2003,22(3):149-160.
[3]NORTHWOOD T D.Isolation of building structures fromground vibration[C].ASME Design EngineeringConference,Cincinnati,1973:87-102.
[4]NEWLAND D E,HUNT H E M.Isolation of buildingsfrom ground vibration:a review of recent progress[J].Proceedings of the Institute of Mechanical Engineers,1991,205(1):39-52.
[5]魏陆顺,周福霖,任珉,等.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.
[6]李亚明,胡锡勇,郦敏浩.组合隔振(震)砌体结构模型振动台水平隔震试验研究[J].建筑结构,2013,43(13):7-12.
[7]鲁滨逊,麦克维瑞,周雍年,等.工程隔震概论[M].北京:地震出版社,1996.
[8]JGJ/T170—2009城市轨道交通引起建筑物振动与二次辐射噪声限值及其测量方法标准[S].北京:中国建筑工业出版社,2009.
[9]王平山,张善莉.地铁运行引起的建筑室内振动研究及减振扣件性能评价[J].建筑结构,2013,43(13):1-6.
[2]TALBOT J P,HUNT H E M.A generic model forevaluating the performance of base-isolated buildings[J].Journal of Low Frequeney Noise,Vibration and ActiveControl,2003,22(3):149-160.
[3]NORTHWOOD T D.Isolation of building structures fromground vibration[C].ASME Design EngineeringConference,Cincinnati,1973:87-102.
[4]NEWLAND D E,HUNT H E M.Isolation of buildingsfrom ground vibration:a review of recent progress[J].Proceedings of the Institute of Mechanical Engineers,1991,205(1):39-52.
[5]魏陆顺,周福霖,任珉,等.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.
[6]李亚明,胡锡勇,郦敏浩.组合隔振(震)砌体结构模型振动台水平隔震试验研究[J].建筑结构,2013,43(13):7-12.
[7]鲁滨逊,麦克维瑞,周雍年,等.工程隔震概论[M].北京:地震出版社,1996.
[8]JGJ/T170—2009城市轨道交通引起建筑物振动与二次辐射噪声限值及其测量方法标准[S].北京:中国建筑工业出版社,2009.
[9]王平山,张善莉.地铁运行引起的建筑室内振动研究及减振扣件性能评价[J].建筑结构,2013,43(13):1-6.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心