高位隔震技术在铁路上盖物业开发中的应用研究
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摘要
铁路上盖物业开发受到铁路车场的限制,上部结构的竖向构件难以直接贯通落地,为解决大底盘与上部结构刚度突变的问题,提出采用高位层间隔震技术,提高结构的安全性。高位层间隔震体系可以解决铁路上盖物业开发竖向构件无法落地的问题;合理选用隔震层的等效周期和阻尼比,对隔震层支座选型、上部结构的隔震效果以及隔震层在罕遇地震作用下的变形至关重要;为避免结构发生倾覆,控制隔震层隔震支座在罕遇地震作用下的拉应力对整个结构的安全非常重要。
The vertical components of upper structures can not be directly landed to the ground in the property development above railway subject to train running. To solve the stiffness mutation between the large chassis structure and the upper structure,high-level story isolation technology is proposed to improve the safety of the structure. The high-level story isolation system can solve the problem of vertical components landing in the property development above railway. Reasonable equivalent period and damping ratio of isolation floor are very important to the selection of isolation bearing type,the isolation effect of the upper structure and the deformation of the isolation layer under rare earthquake. In order to avoid structure collapse,it is very important to control the tensile stress of the isolation bearing under the action of rare earthquake for the safety of the whole structure.
The vertical components of upper structures can not be directly landed to the ground in the property development above railway subject to train running. To solve the stiffness mutation between the large chassis structure and the upper structure,high-level story isolation technology is proposed to improve the safety of the structure. The high-level story isolation system can solve the problem of vertical components landing in the property development above railway. Reasonable equivalent period and damping ratio of isolation floor are very important to the selection of isolation bearing type,the isolation effect of the upper structure and the deformation of the isolation layer under rare earthquake. In order to avoid structure collapse,it is very important to control the tensile stress of the isolation bearing under the action of rare earthquake for the safety of the whole structure.
引文
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[14]商昊江,祁皑.高层隔震结构设计方法研究[J].福州大学学报,2012,40(1):107 114.
[2]张祝容.地铁车站和物业开发相结合的可行性研究[J].铁道工程学报,2016(6):81 86.
[3]石广,周健,赵宪忠.层间隔震技术在地铁车辆段上部空间开发中的应用研究[J].建筑结构,2014,44:41 44.
[4]祁皑,林云腾,郑国琛.层间隔震结构工作机理研究[J].地震工程与工程振动,2006,26(4):239 243.
[5]祁皑.层间隔震技术评述[J].地震工程与工程振动,2004,24(6):114 120.
[6]祁皑,许航莉,郑国琛,等.高位层间隔震结构地震反应参数影响研究[J].工程抗震与加固改造,2010,32(2):51 56.
[7]赵熹,孙小童,余楠.层间隔震结构技术原理及应用[J].工业设计,2016(1):166 167.
[8]周福霖,张颖,谭平.层间隔震体系的理论研究[J].土木工程学报,2009,42(8):1 8.
[9]刘小换,张颖,刘彦辉.层间隔震结构随机响应与动力可靠度研究[J].广州大学学报(自然科学版),2017(1):50 55.
[10]丁永君,赵明阳,李进军.地铁上盖开发的层间隔震结构设计[J].建筑结构,2015(16):77 81.
[11]閤东东,苗启松,李文峰.地震作用下高位层间隔震体系参数优化设计[J].振动工程学报,2013(6):895 900.
[12]吴从晓,周云,邓雪松.高位转换隔震与耗能减震结构体系分析研究[J].土木工程学报,2010,43:289 296.
[13]李向真,欧海龙,林舒.层间隔震结构计算模型的简化分析[J].地震工程与工程振动,2002,22(1):121 125.
[14]商昊江,祁皑.高层隔震结构设计方法研究[J].福州大学学报,2012,40(1):107 114.