| 滚石与桥墩碰撞的数值仿真分析 |
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| 引用本文： | 李兴民,韩建明,朱东生,连永庆.滚石与桥墩碰撞的数值仿真分析[J].重庆交通大学学报(自然科学版),2011,30(5):934-937. |
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| 作者姓名： | 李兴民 韩建明 朱东生 连永庆 |
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| 作者单位： | 1. 甘肃长达路业有限责任公司,甘肃兰州,730030
2. 重庆交通大学土木建筑学院,重庆,400074 |
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| 基金项目： | 国家自然科学基金资助项目(50908246) |
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| 摘 要： | 利用有限元方法对滚石与桥墩的撞击进行了初步研究,重点分析了滚石与桥墩发生正碰的情况.运用大型结构分析程序,研究了碰撞过程中桥墩的动力响应,得到了撞击力随滚石质量和速度的变化关系.
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| 关 键 词： | 滚石 桥墩 碰撞 撞击力 |
Numerical Simulation of Rolling Stone-bridge Pier Collision |
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| LI Xing-min,HAN Jin-ming,ZHU Dong-sheng,LIAN Yong-qing.Numerical Simulation of Rolling Stone-bridge Pier Collision[J].Journal of Chongqing Jiaotong University,2011,30(5):934-937. |
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| Authors: | LI Xing-min HAN Jin-ming ZHU Dong-sheng LIAN Yong-qing |
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| Institution: | 1.Gansu Provincial Changda Expressway Co.Ltd.,Lanzhou 730030,Gansu,China; 2.School of Civil & Construction,Chongqing Jiaotong University,Chongqing 40074,China) |
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| Abstract: | Preliminary study on the collision of rolling stone and bridge pier was conducted by finite element method and the accidental head-on collision of the rolling stone with bridge pier was mainly analyzed.Based on the large structural analysis program,the dynamic response of bridge pier in the process of the collision was sutdied.The relationship among collision force,the rolling stone's quality and speed was obtained. |
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| Keywords: | rolling stone bridge pier collision collision force |
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