隔震曲线连续梁桥铅芯橡胶支座参数优化

梁瑞军; 王浩; 郑文智; 沈惠军; 李爱群

doi:10.6052/j.issn.1000-4750.2018.09.0518

隔震曲线连续梁桥铅芯橡胶支座参数优化

东南大学混凝土及预应力混凝土结构教育部重点实验室, 南京 210096

基金项目: 国家自然科学基金项目（51578151，51722084）；国家重点基础研究发展计划青年科学家专题项目（2015CB060000）；国家“万人计划”青年拔尖人才项目（W03070080）

详细信息

作者简介:
梁瑞军(1990-),男,山东人,博士生,主要从事桥梁减隔震研究(E-mail:230179450@seu.edu.cn);郑文智(1992-),男,甘肃人,博士生,主要从事桥梁减隔震研究(E-mail:wzzheng@seu.edu.cn);沈惠军(1994-),男,安徽人,硕士生,主要从事桥梁减隔震研究(E-mail:220171028@seu.edu.cn);李爱群(1962-),男,湖南人,教授,博士,博导,主要从事结构监测及防灾研究(E-mail:liaiqun@bucea.edu.cn)

通讯作者:
王浩(1980-),男,江西人,教授,博士,博导,主要从事桥梁监测及防灾研究(E-mail:wanghao1980@seu.edu.cn).

中图分类号: U441+.3
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出版历程
- 收稿日期: 2018-09-28
- 修回日期: 2018-12-18
- 刊出日期: 2019-11-24

PARAMETER OPTIMIZATION OF LEAD RUBBER BEARINGS OF AN ISOLATED CURVED GIRDER BRIDGE

Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education, Southeast University, Nanjing 210096, China

摘要

摘要: 为了提升铅芯橡胶支座（LRB）在隔震曲线梁桥中的减隔震效果，该文对LRB力学性能参数进行了优化分析。首先，采用ANSYS建立了某三跨隔震曲线梁桥有限元模型，考虑LRB屈服力、初始刚度及屈服后刚度等性能参数的影响，对该桥进行非线性时程分析，得到了结构关键地震响应随支座力学性能参数的变化规律，并确定了支座参数的合理取值范围。在该支座参数区间内，又以墩底剪力之和为目标函数，基于零阶优化算法，对LRB力学性能参数进行了优化。结果表明：屈服力、初始刚度及屈服后刚度对隔震连续梁桥地震响应有显著影响；隔震支座参数优化后，使得隔震支座峰值位移得到了有效控制，同时不显著增大墩底剪力，且边墩与中墩墩底剪力差值明显缩小，各墩受力更趋均衡。
- 隔震曲线梁桥 /
- 铅芯橡胶支座 /
- 支座力学参数 /
- 地震响应 /
- 参数优化
Abstract: In order to improve the performance of an isolated curved girder bridge with lead rubber bearing (LRB), the mechanical parameters of LRB are analyzed and optimized. Firstly, the finite element model of a three-span isolated curved girder bridge is established by ANSYS. Nonlinear time history analyses are conducted with consideration of impact of yield force, elastic stiffness and post-yield stiffness. It is found that the key seismic responses of structure vary with mechanical parameters. The reasonable ranges of the parameters of isolated bearings are determined. Taking the sum of the pier base shear as the objective function, the mechanical parameters of LRB are optimized based on the zero-order optimization algorithm. Results show that yield force, elastic stiffness and post-yield stiffness have significant effect on seismic responses of the isolated curved girder bridge. When the bearings parameters are optimized, the peak displacement of the bearings is effectively controlled without increasing the base shear of the piers distinctly. The differences of shear between the side piers and the middle piers are reduced, and the shear distribution of each pier becomes uniform.
- isolated curved girder bridge /
- lead rubber bearing /
- mechanical parameter of bearings /
- seismic response /
- parameter optimization

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参考文献(18)

[1]	吴宜峰, 王浩, 李爱群, 等. 新型多功能隔震支座力学性能的数值模拟与实验验证[J]. 工程力学, 2018, 35(2):195-202. Wu Yifeng, Wang Hao, Li Aiqun, et al. Numerical simulation and experimental verification of the mechanical properties of multifunctional isolation bearings[J]. Engineering Mechanics, 2018, 35(2):195-202. (in Chinese)
[2]	唐家祥, 李黎, 李英杰, 等. 叠层橡胶基础隔震房屋结构设计与研究[J]. 建筑结构学报, 1996, 17(2):37-47. Tang Jiaxiang, Li Li, Li Yingjie, et al. Design and research of based-isolated building with laminated rubber bearings[J]. Journal of Building Structures, 1996, 17(2):37-47. (in Chinese)
[3]	Jangid R S. Optimum lead-rubber isolation bearings for near-fault motions[J]. Engineering Structures, 2007, 29(10):2503-2513.
[4]	Hameed A, Koo M S, Do T D, et al. Effect of lead rubber bearing characteristics on the response of seismic-isolated bridges[J]. KSCE Journal of Civil Engineering, 2008, 12(3):187-196.
[5]	张锴. 铅芯橡胶支座在大跨度斜拉桥中的应用及参数优化[D]. 长沙:中南大学, 2007. Zhang Kai. Application and parameter optimization of lead rubber bearings in the long-span cable-stayed bridges[D]. Changsha:Central South University, 2007. (in Chinese)
[6]	张贞阁, 钟铁毅, 王丽. 铁路连续梁桥铅芯橡胶支座的减隔震研究[J]. 中国安全科学学报, 2003, 13(5):41-45. Zhang Zhenge, Zhong Tieyi, Wang Li. Study on vibration absorption and isolation of continuous beam railway bridge by lead cored rubber buffer[J]. China Safety Science Journal, 2003, 13(5):41-45. (in Chinese)
[7]	杨风利, 钟铁毅, 夏禾. 铁路简支梁桥减隔震支座设计参数的优化研究[J]. 铁道学报, 2006, 28(3):128-132. Yang Fengli, Zhong Tieyi, Xia He. Study on optimization of the design parameter of seismic absorption and isolation bearing for railway simple supported beam bridges[J]. Journal of The China Railway Society, 2006, 28(3):128-132. (in Chinese)
[8]	张常勇, 钟铁毅, 顾正伟, 等. 铁路连续梁桥铅芯橡胶支座优化设计研究[J]. 铁道学报, 2012, 34(5):97-102. Zhang Changyong, Zhong Tieyi, Gu Zhengwei, et al. Study on optimal design of lead-rubber bearings for railway continuous beam bridges[J]. Journal of The China Railway Society, 2012, 34(5):97-102. (in Chinese)
[9]	王丽, 周锡元, 闫维明. 曲线梁桥地震响应的简化分析方法[J]. 工程力学, 2006, 23(6):77-84. Wang Li, Zhou Xiyuan, Yan Weiming. Simplified analysis method for seismic response of curved bridges[J]. Engineering Mechanics, 2006, 23(6):77-84. (in Chinese)
[10]	李正英, 蒋林均, 李正良. 曲线连续梁桥不同减隔震方案对比分析[J]. 振动与冲击, 2016, 35(10):157-162. Li Zhengying, Jiang Linjun, Li Zhengliang. Comparative analysis of seismic control schemes for continuous curved girder bridges[J]. Journal of Vibration and Shock. 2016, 35(10):157-162. (in Chinese)
[11]	Kataria N P, Jangid R S. Seismic protection of the horizontally curved bridge with semi-active variable stiffness damper and isolation system[J]. Advances in Structural Engineering, 2016, 19(7):1103-1117.
[12]	Sujith M, Eunsoo C, Cheol P H, et al. Probabilistic seismic vulnerability assessment of tall horizontally curved concrete bridges in california[J]. Journal of Performance of Constructed Facilities, 2018, 32(6):04018080.
[13]	刘文光, 周福霖, 庄学真, 等. 铅芯夹层橡胶隔震垫基本力学性能研究[J]. 地震工程与工程振动, 1999, 19(1):93-99. Liu Wenguang, Zhou Fulin, Zhuang Xuezhen, et al. Research on fundamental mechanic characteristics of lead rubber bearings[J]. Earthquake Engineering and Engineering Vibration, 1999, 19(1):93-99. (in Chinese)
[14]	吴彬, 庄军生, 臧晓秋. 铅芯橡胶支座的非线性动态分析力学参数试验研究[J]. 工程力学, 2004, 21(5):144-149. Wu Bin, Zhuang Junsheng, Zang Xiaoqiu. Experiental study of mechanical parameters of lead-rubber bearing by for nonlinear dynamic analysis[J]. Engineering Mechanics, 2004, 21(5):144-149. (in Chinese)
[15]	沙奔, 王浩, 陶天友, 等. 考虑混凝土损伤的隔震连续梁桥碰撞响应分析[J]. 工程力学, 2018, 35(3):193-199. Sha Ben, Whang Hao, Tao Tianyou, et al. Analysis on pounding response of isolated continuous girder bridge considering concrete damage[J]. Engineering Mechanics, 2018, 35(3):193-199.
[16]	JTG/T B02-01-2008, 公路桥梁抗震设计细则[S]. 北京:人民交通出版社, 2008. JTG/T B02-01-2008, Guideline for seismic design of highway bridges[S]. Beijing:China Communications Press, 2008. (in Chinese)
[17]	GB 50011-2010, 建筑抗震设计规范[S]. 北京:中国建筑工业出版社, 2010. GB 50011-2010, Code for seismic design of buildings[S]. Beijing:China Architecture & Building Press, 2010. (in Chinese)
[18]	王浩, 王付全, 李爱群, 等. 大跨度缆索支撑桥梁分阶段有限元模型修正[J]. 工程力学, 2009, 26(10):111-116. Wang Hao. Wang Fuquan, Li Aiqun, et al. Multi-phase fe model updating on long-span cable-supported bridges[J]. Engineering Mechanics, 2009, 26(10):111-116. (in Chinese)

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文章访问数: 528
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隔震曲线连续梁桥铅芯橡胶支座参数优化

通讯作者: 王浩(1980-),男,江西人,教授,博士,博导,主要从事桥梁监测及防灾研究(E-mail:wanghao1980@seu.edu.cn).

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出版历程

PARAMETER OPTIMIZATION OF LEAD RUBBER BEARINGS OF AN ISOLATED CURVED GIRDER BRIDGE

期刊类型引用(16)

其他类型引用(15)

计量

出版历程

目录

通讯作者:
王浩(1980-),男,江西人,教授,博士,博导,主要从事桥梁监测及防灾研究(E-mail:wanghao1980@seu.edu.cn).