|本期目录/Table of Contents|

[1]李维东,乔建刚,郭蕊.基于TruckSim的大型货物运输车辆安全运行纵坡最大长度研究*[J].中国安全生产科学技术,2020,16(8):179-185.[doi:10.11731/j.issn.1673-193x.2020.08.029]
　LI Weidong,QIAO Jiangang,GUO Rui.Research on maximum length of highway longitudinal slope for safe operation of large cargo transportation vehicles based on TruckSim[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2020,16(8):179-185.[doi:10.11731/j.issn.1673-193x.2020.08.029]
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基于TruckSim的大型货物运输车辆安全运行纵坡最大长度研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
16
期数:
2020年8期
页码:
179-185
栏目:
职业安全卫生管理与技术
出版日期:
2020-08-31

文章信息/Info

Title:
Research on maximum length of highway longitudinal slope for safe operation of large cargo transportation vehicles based on TruckSim
文章编号:
1673-193X(2020)-08-0179-07
作者:
李维东; 乔建刚; 郭蕊
(1.河北工业大学 土木与交通学院，天津 300401；
2.天津市交通工程绿色材料技术研究中心，天津 300401）
Author(s):
LI Weidong;  QIAO Jiangang;  GUO Rui
(1.School of Civil Engineering and Transportation,Hebei University of Technology,Tianjin 300401,China;
2.Tianjin Traffic Engineering Green Materials Technology Research Center,Tianjin 300401,China)
关键词:
交通安全; 大型货物运输; 最大纵坡长度; 运行速度
Keywords:
traffic safety;  large cargo transportation;  maximum length of longitudinal slope;  running speed
分类号:
X951；U412.3
DOI:
10.11731/j.issn.1673-193x.2020.08.029
文献标志码:
A
摘要:
为研究适用于典型大型货物运输车辆的道路纵坡及最大坡长参数，构建大型货物运输车辆动力学仿真模型，并考虑车辆冲坡行为及公路线形设计习惯，建立包含直线提速蓄能路段、以最小长度控制的竖曲线路段以及不同坡度纵坡路段组成的试验道路，对比分析设计速度120 km/h、纵坡坡度1.0%~3.0%，设计速度100 km/h、纵坡坡度1.0%~4.0%以及设计速度80 km/h、纵坡坡度1.0%~5.0%3种不同道路条件下，大型货物运输车辆在试验路段的运行速度变化规律。依据速度一致性原则，以大型货物运输车辆的运行速度衰减度作为控制指标，得到各设计速度道路不同纵坡路段对应的最大纵坡长度。结果表明：在保证纵坡路段满足最小长度要求的条件下，通过减小纵坡路段长度，增大竖曲线长度，可提高大型货物运输车辆纵坡路段通过性。
Abstract:
In order to study the highway longitudinal slope and the parameter of maximum slope length suitable for the typical large cargo transportation vehicles,a dynamic simulation model of large cargo transportation vehicles was constructed.Considering the slope dashing behavior of vehicles and the design habits of highway alignment,the test highway including the straight speedincreasing energy storage section,the vertical curve section controlled by minimum length,and the longitudinal slope section with different slopes was established.The change laws of running speed for the large cargo transportation vehicles in the test sections were compared and analyzed under the conditions of the design speed of 120 km/h with the longitudinal slopes of 1.0%~3.0%,the design speed of 100 km/h with the longitudinal slopes of 1.0%~4.0%,and the design speed of 80 km/h with the longitudinal slopes of 1.0%~5.0%.According to the principle of speed consistency,the maximum longitudinal slope lengths corresponding to different longitudinal slope sections of highways with each design speed were obtained by using the attenuation degree of running speed of large cargo transportation vehicles as the control index.The results showed that under the condition of ensuring that the longitudinal slope sections meet the minimum length requirement,the passability of large cargo transportation vehicles to the longitudinal slope sections can be improved by reducing the length of longitudinal slope section and increasing the length of vertical curve.

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备注/Memo

备注/Memo:
收稿日期： 2020-04-19
* 基金项目： 国家安全生产监督管理总局安全生产重特大事故防治关键技术科技项目(hebei-0009-2017AQ)；交通运输部科技计划项目（2018-04-063）
作者简介： 李维东，硕士研究生，主要研究方向为公路路线设计理论。
通信作者： 乔建刚，博士，教授，主要研究方向为交通安全。
更新日期/Last Update: 2020-09-10