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| 车辆与弯道混凝土护栏碰撞的动态数值模拟及试验 | |
| 引用本文： | 张晶,白书锋,石红星,张绍理.车辆与弯道混凝土护栏碰撞的动态数值模拟及试验[J].中国公路学报,2007,20(1):102-106. |
| 作者姓名： | 张晶 白书锋 石红星 张绍理 |
| 作者单位： | 1. 中国科学院力学研究所,北京,100080 2. 北京中路安交通科技有限公司,北京,100071 3. 北京深华达交通工程检测有限公司,北京,102204 |
| 基金项目： | 国家西部交通建设科技项目 |
| 摘 要： | 对车辆与弯道混凝土护栏碰撞动态数值模拟结果和实车足尺碰撞试验结果进行对比分析，从车辆行驶轨迹、乘员冲击加速度以及车辆损伤形态3个方面，验证了动态数值模拟的准确性，并分析了弯道混凝土护栏曲线半径对乘员碰撞过程中所承受冲击加速度的影响；得到乘员风险的最不利护栏半径。结果表明：有限元仿真是进行汽车护栏碰撞研究的有效方法；弯道处护栏的形式对碰撞时乘员的安全有很大影响。 |
| 关 键 词： | 交通工程 车辆碰撞 实车足尺碰撞试验 弯道混凝土护栏 有限元模拟 乘员安全 |
| 文章编号： | 1001-7372（2007）01-0102-05 |
| 收稿时间： | 2006-03-21 |
| 修稿时间： | 2006年3月21日 |
Dynamic Numerical Simulation and Experiment for Vehicle and Curved Concrete Barriers Crash |
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| ZHANG Jing,BAI Shu-feng,SHI Hong-xing,ZHANG Shao-li.Dynamic Numerical Simulation and Experiment for Vehicle and Curved Concrete Barriers Crash[J].China Journal of Highway and Transport,2007,20(1):102-106. | |
| Authors: | ZHANG Jing BAI Shu-feng SHI Hong-xing ZHANG Shao-li |
| Institution: | 1. Institute of Mechanics, CAS, Beijing 100080, China; 2. Beijing Zhongluan Traffic Technological Ltd, Beijing 100071, China; 3. Beijing Shenhuada Traffic Engineering Test Ltd, Beijing 102204, China |
| Abstract: | Through comparison analysis between dynamic numerical simulation result for vehicle and curved concrete barriers crash and field vehicle full scale crash tests, accuracy of dynamic numerical simulation results was verified through 3 aspects. Authors analyzed influence of curved concrete barriers curve radius on impact acceleration in process of occupant crash. Barriers type of curved rail has huge influence on occupant safety in crash. The worst barrier radius for occupant risk was got. The results show that finite element simulation is an effective method for vehicle and barriers crash research. |
| Keywords: | traffic engineering vehicle crash field vehicle full scale crash test curved concrete barrier finite element simulation occupant safety |
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