全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

考虑路面平整度影响的车辆侧滑与侧翻临界风速

, PP. 134-139

Keywords: 交通工程,行车安全,车辆振动模型,路面平整度,临界风速,侧滑,侧翻

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了研究路面平整度对车辆侧滑和侧翻临界风速的影响,建立了二自由度车辆振动模型,依据路面平整度指标和路面功率谱密度之间的关系,利用傅里叶变换推导了基于公路工程技术标准的动荷载系数计算公式,在此基础上根据车辆运动模型推导了车辆侧滑和侧翻的临界风速计算公式,利用MATLAB编制了计算程序,以典型货车为例计算了考虑路面平整度影响和不考虑路面平整度影响的车辆侧滑、侧翻临界风速.研究结果表明路面摩擦系数,车辆速度和路面平整度对车辆侧滑临界风速都有一定的影响;考虑路面平整度影响时,典型货车临界侧滑和侧翻风速都会相应降低,降低幅度为1~2m/s.

References

[1]  韩万水, 陈艾荣. 侧风与桥梁振动对车辆行驶舒适性影响研究[J].土木工程学报,2008,41(4): 55-60. HAN Wan-shui, CHEN Ai-rong. Effects of Crosswind and Bridge Motion on Ride Comfort of Road Vehicles [J]. China Civil Engineering Journal, 2008,41(4): 55-60.
[2]  傅立敏,扶原放. 轿车外流场车轮转动时侧风效应的数值模拟研究[J]. 公路交通科技,2006,23(2):147-150. FU Li-min, FU Yuan-fang. Study on Numerical Simulation of Crosswind Effects Arising from External Flow-field of Rotating-wheels[J]. Journal of Highway and Transportation Research and Development, 2006,23(2):147-150.
[3]  庞加斌,王达磊, 陈艾荣,等.桥面侧风对行车安全性影响的概率评价方法[J].中国公路学报, 2006, 19(4): 59-64. PANG Jia-bin,WANG Da-lei,CHEN Ai-rong,et al. Probability Evaluating Method of Bridge Deck Side Wind Effects on Driving Safety[J]. China Journal of Highway and Transport,2006,19(4):59-64.
[4]  陈艾荣,王达磊, 庞加斌.跨海长桥风致行车安全研究[J]. 桥梁建设, 2006(3):1-4. CHEN Ai-rong,WANG Da-lei,PANG Jia-bin. Study of Wind-related Riding Safety on Long Sea-crossing Bridge[J].Bridge Construction, 2006(3): 1-4.
[5]  于群力, 陈徐均, 江召兵, 等.不发生侧滑为指标的跨海大桥安全行车风速分析[J].解放军理工大学学报:自然科学版, 2008,9(4), 373-377. YU Qun-li, CHEN Xu-jun, JIANG Zhao-bing, et al. Analysis of Safety Wind Velocity of Driving on Sea-cross Bridge Based on Target of No Side Slip [J]. Journal of PLA University of Science and Technology: Natural Science Edition, 2008,9(4):373-377.
[6]  GB/T7031—2005,机械振动-道路路面谱测量数据报告[S]. GB/T7031—2005, Mechanical Vibration-Road Surface Profiles-Reporting of Measured Data[S].
[7]  邓学钧.车辆地面结构系统动力学研究[J].东南大学学报:自然科学版, 2002,32(3):474-479. DENG Xue-jun. Study on Dynamics of Vehicle-ground Pavement Structure System[J]. Journal of Southeast University:Natural Science Edition,2002,32(3):474-479.
[8]  张向东, 闫维明, 葛惠娟,等. 由国际平整度指数模拟路面不平度方法研究[J]. 公路交通科技,2009,26(4):13-17. ZHANG Xiang-dong,YAN Wei-ming, GE Hui-juan, et al. Study on Simulation Method of Road Roughness by International Roughness Index[J]. Journal of Highway and Transportation Research and Development, 2009,26(4):13-17.
[9]  SN?BJ?RNSSON J T, BAKER C J, SIGBJ?RNSSON R. Probabilistic Assessment of Road Vehicle Safety in Windy Environments[J]. Journal of Wind Engineering and Industrial Aerodynamics,2007,95(9/10/11):1445-1462.
[10]  陶向华,黄晓明.车辆动载荷的频域模拟计算与分析[J].华中科技大学学报:城市科学版,2003,20(4):47-50. TAO Xiang-hua, HUANG Xiao-ming. Analysis and Calculation of Frequency Domain Simulations of Dynamic Load [J]. Journal of Huazhong University of Science and Technology:Urban Science Edition,2003,20(4):47-50.
[11]  余志生.汽车理论[M]第5版.北京:机械工业出版社,2009:217. YU Zhi-sheng.Vehicle Theory [M]. 5th ed. Beijing: China Machine Press,2009:217.
[12]  郭成超, 陶向华, 王复明.车速和路面不平度特性对车路相互作用的影响[J]. 华北水利水电学院学报, 2004,25 (3):42-45. GUO Cheng-chao,TAO Xiang-hua,WANG Fu-ming. The Influence of Vehicle Speed and Pavement Roughness Characteristics on Vehicle-road Interaction[J]. Journal of North China Institute of Water Conservancy and Hydroelectric Power, 2004,25 (3):42-45.
[13]  罗京, 张冬冬, 郭腾峰. 大型车辆横向稳定性对公路设计极限平曲线半径取值的影响分析[J]. 中国公路学报, 2010, 23(增): 42-47. LUO Jing, ZHANG Dong-dong, GUO Teng-feng. Analysis for Influence of Large Vehicle's Lateral Stability on Ultimate Horizontal Curve Radius of Highway Design[J]. China Journal of Highway and Transport,2010,23(S): 42-47.
[14]  BAKER C J, HUMPHREYS N D. Assessment of the Adequacy of Various Wind Tunnel Techniques to Obtain Aerodynamic Data for Ground Vehicles in Cross Winds [J]. Journal of Wind Engineering and Industrial Aerodynamics, 1996, 60:49-68.
[15]  KRNKE I, SOCKEL H. Model Tests about Cross Wind Effects on Containers and Wagons in Atmospheric Boundary Layers[J]. Journal of Wind Engineering and Industrial Aerodynamics, 1994, 52: 109-119.
[16]  胡朋, 潘晓东. 不同状态下路面摩擦系数现场试验研究[J]. 公路,2011(2):20-24. HU Peng, PAN Xiao-dong. Field Experiment and Study on Pavement Friction Coefficient Under Different Conditions[J]. Highway, 2011(2):20-24.
[17]  JTG D20—2006,公路路线设计规范[S]. JTG D20—2006, Design Specification for Highway Alignment[S].

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133