[1]王金轮,周云郊,兰凤崇.客车与半刚性双波梁护栏碰撞过程的研究[J].深圳大学学报理工版,2015,32(3):324-330.[doi:10.3724/SP.J.1249.2015.03324]
　Wang Jinlun,Zhou Yunjiao,and Lan Fengchong.Collision process between coach and semi-rigid dual-wave barrier[J].Journal of Shenzhen University Science and Engineering,2015,32(3):324-330.[doi:10.3724/SP.J.1249.2015.03324]
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客车与半刚性双波梁护栏碰撞过程的研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第32卷
期数:
2015年第3期
页码:
324-330
栏目:
交通物流
出版日期:
2015-05-20

文章信息/Info

Title:
Collision process between coach and semi-rigid dual-wave barrier
作者:
王金轮1; 周云郊2; 兰凤崇2
1) 深圳大学机电与控制工程学院，深圳518060
2) 华南理工大学机械与汽车工程学院，广州510640
Author(s):
Wang Jinlun1;  Zhou Yunjiao2;  and Lan Fengchong2
1) College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, P.R.China
2) School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, P.R.China
关键词:
结构力学; 客车碰撞; 半刚性双波梁护栏; 道路交通事故; 行驶轨迹; 生存空间
Keywords:
structural mechanics;  coach collision;  semi-rigid dual-wave barrier;  road accident;  traveling trace;  survival space
分类号:
U 461.91
DOI:
10.3724/SP.J.1249.2015.03324
文献标志码:
A
摘要:
针对高速公路上客车与路侧防护栏的碰撞问题，建立某大型客车有限元模型和常见现行道路上的Q235双波梁钢护栏的有限元模型，采用Dyna求解器，研究车速为80 km/h、碰撞角为20°时，客车-护栏碰撞系统的动态响应过程. 结果表明，双波梁护栏对客车的防护作用较差，虽可在一定程度上校正失控车辆，但客车最终会跨越护栏；客车前下端变形严重，但不会侵入乘员生存空间；护栏在碰撞过程中吸收的内能占车辆初始总动能的50%以上，可有效减缓汽车速度，降低道路交通事故的严重程度.
Abstract:
Finite element models of a large coach and Q235 dual-wave beam barrier normally utilized on highway are established to investigate the coach-barrier collision process. The LS-DYNA solver is used to simulate the dynamic response process with a coach speed of 80 km/h and a collision angle of 20°. The results show that the protective effect of the dual-wave barrier on the coach is poor. Although the loss of control of the coach could be corrected to a certain extent, the coach would still run across the barrier eventually. Even though serious deformation at the front-lower end of the coach is observed, the occupant survival space is not invaded. The barrier absorbs more than half of the initial kinetic energy of the vehicle during a collision, which can effectively decrease the coach velocity and reduce the severity of road accidents.

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相似文献/References:

[1]许颖,王鹏.汽车碰撞波形梁半刚性护栏的简化计算[J].深圳大学学报理工版,2012,29(No.4(283-376)):364.[doi:10.3724/SP.J.1249.2012.04364]
　XU Ying and WANG Peng.Simplified calculation method for car crashing wave-beam semi-rigid barrier process[J].Journal of Shenzhen University Science and Engineering,2012,29(3):364.[doi:10.3724/SP.J.1249.2012.04364]
[2]刘海涛,魏明海,林坤,等.斜拉索耦合振动模型及其参数分析[J].深圳大学学报理工版,2015,32(3):231.[doi:10.3724/SP.J.1249.2015.03231]
　Liu Haitao,Wei Minghai,Lin Kun,et al.Coupled vibration model of cables and its parameter analysis[J].Journal of Shenzhen University Science and Engineering,2015,32(3):231.[doi:10.3724/SP.J.1249.2015.03231]

备注/Memo

备注/Memo:
Received：2014-11-21；Accepted：2015-03-17
Foundation：National Natural Science Foundation of China (61403259); Natural Science Foundation of Shenzhen University (00035695)
Corresponding author：Professor Lan Fengchong. E-mail: fclan@scut.edu.cn
Citation：Wang Jinlun, Zhou Yunjiao, Lan Fengchong. Collision process between coach and semi-rigid dual-wave barrier［J］. Journal of Shenzhen University Science and Engineering, 2015, 32(3): 324-330.（in Chinese）
基金项目：国家自然科学基金资助项目（61403259）；深圳大学科研基金资助项目（00035695）
作者简介：王金轮（1984—），男（汉族），山东省潍坊市人，深圳大学讲师、博士.E-mail: wangjl84@szu.edu.cn
引文：王金轮，周云郊，兰凤崇．客车与半刚性双波梁护栏碰撞过程的研究［J］. 深圳大学学报理工版，2015，32（3）：324-330.
更新日期/Last Update: 2015-05-09