| 连续拱桥墩顶地震位移上限识别 |
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| 引用本文： | 张艳红,王前信.连续拱桥墩顶地震位移上限识别[J].地震工程与工程振动,1995,15(4):36-47. |
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| 作者姓名： | 张艳红 王前信 |
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| 作者单位： | 国家地震局工程力学研究所 中国哈尔滨150080
(张艳红)，国家地震局工程力学研究所 中国哈尔滨150080(王前信) |
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| 摘 要： | 本文基于积函数极值法，对刚度分布未确知的连续拱桥的墩顶地震位移上限进行了识别。文中研究了两跨、三跨、任意奇数跨和任意偶数跨等各种情形，对简化模型作了精度分析，并将所识别的上限值与实际计算反应值进行了比较。
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| 关 键 词： | 拱桥 桥墩 地震动 位移 积函数极值法 |
SEISMIC MARGIN IDENTIFICATION FOR PIER TOP DISPLACEMENT OF CONTINUOUS ARCH BRIDGE |
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| Zhang Yanhong.SEISMIC MARGIN IDENTIFICATION FOR PIER TOP DISPLACEMENT OF CONTINUOUS ARCH BRIDGE[J].Earthquake Engineering and Engineering Vibration,1995,15(4):36-47. |
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| Authors: | Zhang Yanhong |
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| Abstract: | In this paper based on the method of extremum of product function the seismic margin identification is completed for the displacement response of the pier top of continuous arch bridge with the rigidity distribution unidentified. Several cases such as i ) two-span case ; ii) three - span case; iii)number of spans to be odd and iv) number of spans to be even are studied. The accuracy of the simplified model is analyzed. The identified upper bound margin of the seismic response is compared with the result from practical calculation. |
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| Keywords: | arch bridge bridge pier method of extremum of product function ground motion displacement |
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