| 明置基础扭转振动复合集总参数模型试验与理论的对比 |
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| 引用本文： | 刘志久,徐建,尚守平. 明置基础扭转振动复合集总参数模型试验与理论的对比[J]. 铁道科学与工程学报, 2011, 0(2): 7-11 |
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| 作者姓名： | 刘志久 徐建 尚守平 |
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| 作者单位： | 中南大学土木建筑学院;湖南大学土木工程学院;中国机械工业集团公司; |
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| 基金项目： | 中国工程建设标准化协会课题(799-201113) |
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| 摘 要： | 根据基础振动弹性半空间理论的最新发展成果,推演出明置基础扭转振动复合集总参数模型.通过采用2种不同底面尺寸的块体模型基础,分别施加初速度使基础发生自由振动,将试验结果与采用明置基础扭转振动复合集总参数模型的计算结果进行比较.研究结果表明:试验结果与计算结果吻合;利用该模型可以容易地计算均质半空间上明置块体基础在扭转扰力...
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| 关 键 词： | 复合集总参数模型 弹性半空间 动力响应 块体模型基础 |
The comparison of experiment with theory of torsional composite lumped parameter model |
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| LIU Zhi-jiu,XU Jian,SHANG Shou-ping. The comparison of experiment with theory of torsional composite lumped parameter model[J]. Journal of Railway Science and Engineering, 2011, 0(2): 7-11 |
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| Authors: | LIU Zhi-jiu XU Jian SHANG Shou-ping |
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| Affiliation: | LIU Zhi-jiu1,3,XU Jian2,SHANG Shou-ping3(1.School of Civil and Architectural Engineering,Central South University,Changsha 410075,China,2.Machine Building Group Corporation of China,Beijing 100080,3.School of Civil Engineering,Hunan University,Changsha 410082,China) |
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| Abstract: | A new torsional composite lumped parameter model(CLPM)of` surface foundation was established based on the theory of foundation oscillation on a elastic half-space.Free vibration of two different shaped base lumped foundations perturbed by the initial velocity was achieved respectively.Compared the results of experiment with the results of calculation performed with CLPM,they are closed agreement.The analysis results show that the advantage of CLPM is to compute dynamic response of arbitrarily shaped surface... |
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| Keywords: | composite lumped parameter model elastic half-space dynamic response lumped model foundation |
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