| 大跨度斜拉桥铅芯橡胶支座的参数优化 |
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| 引用本文： | 张锴,郭文华. 大跨度斜拉桥铅芯橡胶支座的参数优化[J]. 重庆交通大学学报(自然科学版), 2011, 30(2): 200-203 |
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| 作者姓名： | 张锴 郭文华 |
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| 作者单位： | 湖南城市学院土木工程学院,湖南,益阳,413000 |
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| 基金项目： | 湖南省自然科学基金项目(03JJY3085); 教育部留学回国人员科研启动基金项目(教外司留[2003]14号) |
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| 摘 要： | 提出了一种采用铅芯橡胶支座进行大跨度斜拉桥减震分析方法;分别建立了大跨度斜拉桥、铅芯橡胶支座的空间有限元分析模型,采用时程分析方法计算了桥梁地震响应;用正交设计法对铅芯橡胶支座进行了参数优化.研究表明:经过优化设计的铅芯橡胶支座能有效的减小斜拉桥在地震下响应.
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| 关 键 词： | 大跨度斜拉桥 铅芯橡胶支座 正交设计 减震 |
Parameter Optimum of Lead-rubber Bearings (LRB) in the Long-span cable-stayed Bridges |
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| ZHANG Kai,GUO Wen-hua. Parameter Optimum of Lead-rubber Bearings (LRB) in the Long-span cable-stayed Bridges[J]. Journal of Chongqing Jiaotong University, 2011, 30(2): 200-203 |
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| Authors: | ZHANG Kai GUO Wen-hua |
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| Affiliation: | ZHANG Kai,GUO Wen-hua(School of Civil Engineering,Hunan City University,Yiyang 413000,Hunan,China) |
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| Abstract: | Reducing vibration by lead-rubber bearings was proposed in long-span cable-stayed bridge.Spatial finite element models of a long-span cable-stayed bridge and LRBs were established respectively.Seismic responses of the bridge were calculated through time-history analysis;parameter optimum of LRBs was carried out by orthogonal design.The results indicated that LRBs with optimization design could effectively reduce seismic response of the cable-stayed bridge. |
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| Keywords: | long-span cable-stayed bridge lead-rubber bearings(LRBs) orthogonal design seismic reduction |
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