全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

矮塔斜拉桥的减震方案对比研究

, PP. 16-21

Keywords: 矮塔斜拉桥,粘滞阻尼器,Lock-up装置,滑动摩擦支座,减震效果

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对位于高烈度地震区的刚构连续梁体系矮塔斜拉桥的受力特点,提出了分别采用粘滞液体阻尼器、Lock-up装置及摩擦型滑动支座3种减隔震方案,并采用非线性时程反应分析方法分析了3种方案的减震效果。结果表明3种减隔震装置对矮塔斜拉桥均有明显的减震效果,粘滞阻尼器及Lock-up装置减震效果较好,滑动摩擦支座的减震效果次之。但从结构的正常使用及结构体系的地震响应分布规律来看,粘滞液体阻尼器的减震方案最优。

References

[1]  许广,闫维明.大跨度连续梁桥中Lock-up装置计算模型的改进[J].防灾减灾工程学报,2007,27(增刊):292-296.Xu Guang,Yan Weiming.Improvement of analytical model on lock-up devices for long span continuous girder bridge[J].Journal of Disaster Prevention and Mitigation Engineering,2007,27(Suppl.):292-296.
[2]  Brown DS.Bridge strengthening with shock transmission units[A].11th World Conference on Earthquake Enguneering[C].Acapulco,Mexico:Paper No.1849,1996.
[3]  范立础,聂利英,李建中.地震作用下板式橡胶支座滑动的动力性能分析[J].中国公路学报,2003,16(4):30-35.Fan Lichu,Nie Liying,Li Jianzhong.Dynamic characteristic analysis of laminated rubber bearing sliding under earthquake[J].China Journal of Highway and Transport,2003,16(4):30-35.
[4]  王常峰,陈兴冲,朱东生.活动支座摩擦力对桥梁抗震性能的影响参数分析[J].世界地震工程,2005,21(4):82-87.Wang Changfeng,Chen Xingchong,Zhu Dongsheng.Analysis on the in fluence of the friction force at the movable supports on the seismic performance of a bridge[J].World Earthquake Engineering,2005,21(4):82-87.
[5]  陈永祁,耿瑞琦,马良?.桥梁用液体粘滞阻尼器的减震设计和类型选择[J].土木工程学报,2007,40(7):55-61.Chen Yongqi,Geng Ruiqi,Ma Liangzhe.Design and selection of the fluid viscous devices in shock control of bridges[J].China Civil ngineering Journal,2007,40(7):55-61.
[6]  Section 32 Shock Transmission Units AASHTOLRFD Bridge Construction Specifications(interimedition)[S],2002
[7]  陈兴冲,商耀兆,张永亮,等.高墩大跨度铁路简支钢桁梁桥的减震性能分析[J].世界地震工程,2008,24(1):6-11.Cheng Xingchong,Shang Yaozhao,Zhang Yongliang,et al.Analysis of seismic reduction performance on the highpier and long spanrail way smiply-supported steel truss girders[J].World Earthquake Engineering,2008,24(1):6-11.
[8]  张永亮,陈兴冲,吴海燕.基于粘滞液体阻尼器的铁路钢桁梁桥减震分析[J].世界地震工程,2009,25(4):97-102.Zhang Yongliang,Cheng Xingchong,Wu Haiyan.Research of viscous damper on seismic response reduction in the raiwlaysteel truss girder bridge[J].World Earthquake Engineering,2009,25(4):97-102.
[9]  殷海军,王志强,胡世德.连续梁桥设置阻尼器参数分析[J].同济大学学报(自然科学版),2004,32(11):1437-1441.Yin Haijun,Wang Zhiqiang,Hu Shide.Analysis of continuous bridge adopted dampers[J].Journal of Tong Ji University(Natural Science),2004,32(11):1437-1441.
[10]  方海,李升玉,王曙光,等.高烈度区连续梁桥的减震设计方法研究[J].地震工程与工程振动,2005,25(6):178-182.Fang Hai,Li Shengyu,Wang Shuguang,et al.Research on earthquake-reduction design method of continuous bridge in a high-intensity earthquake area[J].Journal of Earthquake Engineering and Engineering Vibration,2005,25(6):178-182.
[11]  叶爱君,范立础.附加阻尼器对大跨度斜拉桥的减震效果[J].同济大学学报(自然科学版),2006,34(7):859-863.Ye Aijun,Fan Lichu.Seismic response reduction of a super-long-spancable-stayed bridge by adding dampers[J].Journal of Tong Ji University(Natural Science),2006,34(7):859-863.
[12]  王志强,葛继平.粘滞阻尼器和Lock-up装置在连续梁桥抗震中应用[J].石家庄铁道学院学报,2006,19(1):5-9.Wang Zhiqiang,Ge Jiping.Application of viscous damper and lock-up devices in the seismic design of continuous girder bridges[J].Journal of Shijiazhuang Raiwlay Institute,2006,19(1):5-9.
[13]  王磊,刘寒冰,吴斌喧,等.新型地震结构保护系统的大跨径桥梁抗震分析[J].哈尔滨工业大学学报,2004,36(12):1665-1668.Wang Lei,Liu Hanbing,Wu Binxuan,et al.Seismic response analysis for long span bridge with new earthquake protective system[J].Journal of Harb in University of Techrology 2004,36(12):1665-1668.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133