荒漠长直线段公路行驶速度微观模型建立及分析

doi:10.13229/j.cnki.jdxbgxb20200032

Abstract

Abstract:

In order to explore the running speed mesoscopic change of vehicles in the long line segment of desert steppe， the lines’ alignment elements data and the running speed of the vehicles under free-flow are collected in Wuhai-Maqing expressway and national trunk highway 110 in Ningxia. First， in order to reduce the interference of redundant factors in the analysis process， it is assumed that the vehicles’ running speed model in the straight segment is divided into acceleration， constant speed and deceleration. Second， and the parameters related to the max driving speed are regressed and analyzed respectively. Third， the mesoscopic model of the running speed is established in the straight segment of the desert grassland. Furthermore， considering the changes of the longitudinal section and downhill of the long straight section within the slope ［2%， 3%］， the velocity models of the uphill and downhill sections are modified， respectively. Finally， the effectiveness and reliability of the running speed models are determined by comparing the measured running speed with the model speed of the road. The conclusions of this study provide theoretical basis for the highway alignment design and speed control of long line segment of desert steppe highway.

Key words: desert highway, long line segment, regression analysis, running speed model

CLC Number:

Fang WANG,Jia HU,Sheng JING,Wei CHENG,Xiao-ying HE,Xiao-guang LI. Modeling and analysis of road speed micro model in long straight line section of desert[J].Journal of Jilin University(Engineering and Technology Edition), 2021, 51(2): 575-582.

Figures/Tables 15

Fig.1

Fig.2

Table 1

Fig.3

Fig.4

Fig.5

Table 2

Fig.6

Fig.7

Fig.8

Fig.9

Fig.10

Fig.11

Table 3

Table 4

Comparison of test values and the model values for line segments of different lengths"

直线段长度：4247 m	测试点（纵坡：0.17%~0.33%）
距离	起点	200 m	400 m	600 m	800 m
测试值	129	132	135	131	129
模型值	124	127	130.3333	126.3333	124
$V m - V c$	5.96	2.09	2.12	1.01	1.60
距离	1000 m	1200 m	1400 m	1600 m	1800 m
测试值	125	124.3333	126.3333	128	127.6667
模型值	120	119.3333	121.3333	123	122.6667
$V m - V c$	5.0	5.0	5.0	5.0	5.0
距离	2000 m	2200 m	2400 m	2600 m	2800 m
测试值	128	128	130	131	128
模型值	129.2106	128.9784	128.7463	128.5141	128.282
$V m - V c$	1.21	0.98	1.24	1.49	0.28
距离	3000 m	3200 m	3400 m	3600 m	3800 m
测试值	125.00	124.67	122.67	122.33	123.33
模型值	128.0498	127.8176	127.5855	127.3533	127.1212
$V m - V c$	3.05	3.15	4.92	5.02	3.79
距离	4000 m	4200 m	终点
测试值	123.67	123.33	124.33
模型值	126.889	126.6569	125.9604
$V m - V c$	3.22	3.32	1.63
直线段长度：910 m	测试点（纵坡：0.17%~0.33%）
距离	起点	200 m	400 m	600 m	910 m
测试值	109	110	111.6667	111	111.3333
模型值	103.925	105.05	107.1653	105.49	104.57
$V m - V c$	5.06	4.95	4.50	5.51	6.76
直线段长度：557 m	测试点（纵坡：2.43%）
距离	起点	100 m	200 m	300 m	终点557
测试值	60	67	73	72	70
模型值	67.912	73.828	72.97	72.1776	70.655
$V m - V c$	7.91	6.83	0.03	0.18	0.66

Table 4

References 13

1	裴玉龙, 马骥. 道路交通事故道路条件成因分析及预防对策研究[J]. 中国公路学报, 2003(4): 77-82.
	Pei Yu-long,Ma Ji. Research on countermeasures for road condition causes of traffic accidents[J]. China Journal of Highway and Transport, 2003(4): 77-82.
2	王芳, 李晓光, 郭慧, 等. 基于驾驶员视觉兴趣区的沙漠草原公路曲线间直线段线形指标优化[J]. 吉林大学学报: 工学版, 2020, 50(1): 114-120.
	Wang Fang,Li Xiao-guang,Guo Hui,et al.Optimization of straight segment index between highway curves of desert grassland based on driver's visual interest region[J]. Journal of Jilin University (Engineering and Technology Edition), 2020, 50(1): 114-120.
4	裴玉龙, 程国柱. 高速公路车速离散性与交通事故的关系及车速管理研究[J]. 中国公路学报, 2004(1): 74-79.
	Pei Yu-long, Cheng Guo-zhu. Research on the relationship between speed dispersion and traffic accidents and speed management of expressway[J]. China Journal of Highway and Transport, 2004(1): 74-79.
5	阎莹. 高速公路运行车速预测模型及其应用研究[D]. 上海: 同济大学交通运输工程学院, 2009.
	Yan Ying. Research on the prediction model of Expressway speed and its application[D]. Shanghai: School of Transportation Engineering, Tongji University, 2009.
6	Fu X S. Prediction model of theoretical operating speed based on combination alignment of cross and vertical section[J]. Journal of Chang Pan University (Natural Science Edition), 2010, 30(3): 24-27.
7	. 公路项目安全评价规范[S]..
8	Misaghi P, Hassan Y. Modeling operating speed and speed differential on two-lane rural roads[J]. Journal of Transportation Engineering, 2005, 131(6): 408-417.
10	范振宇, 张剑飞. 公路运行车速测算模型的研究和标定[J]. 中国公路学报, 2002(1): 107-109.
	Fan Zhen-yu, Zhang Jian-fei. Research and calibration of highway running speed measurement model[J]. China Journal of Highway and Transport, 2002(1): 107-109.
11	Wang F, Hu J. Modeling and analysis of drivers' visually interesting area[J]. Advance in Transportation Studies: An Iinternational Journal, 2018(3): 43-50.
12	白辂韬. 基于线形条件的高速公路运行速度预测及控制研究[D]. 天津: 天津大学建筑工程学院, 2013.
	Bai Jian-tao. Study on prediction and control of expressway running speed based on linear conditions [D]. Tianjin: School of Civil Engineering, Tianjin University, 2013.
13	高振海, 李扬, 张慧, 等. 不同车速下驾驶员变换车道前视行为特征规律[J]. 吉林大学学报: 工学版, 2016, 46(5): 1385-1390.
	Gao Zhen-hai, Li Yang, Zhang Hui, et al. Driver's forward-looking behavior analysis during lane change under different speed[J]. Journal of Jilin University (Engineering and Technology Edition), 2016, 46(5): 1385-1390.

Metrics

Viewed

Full text

Abstract

Cited

Shared

Discussed

Comments

Recommended 0

No Suggested Reading articles found!

路段	方向	设计速度 /（km·h^-1）	坡度 /%	直线段最大长度/m	直线段最小长度/m
国道110	银川-青铜峡	80	2~3.72	4950	28
国道110	青铜峡-银川	80	2~5.52	4950	28
乌玛高速	银川-大武口	120	2~3.80	5000	53
乌玛高速	大武口-青铜峡	120	2~3.77	5000	53

直线长度 /m	V_max/(km·h^-1)	t₁/s	直线长度 /m	V_max/(km·h^-1)	t₁/s
1342	124.7	13	706	128.7	7
1012	126.7	7	4247	130.7	22
1940	119.7	15	2390	130.3	15
2249	138	20	2003	125.3	19
1255	125	15	495	125.7	3
1075	119	9	940	120	9
942	113.7	10	910	111.7	8
663	115.5	4	1062	120.2	5
1735	117	17	1100	118.7	8
1045	113	7	202	66	2
645	116.3	10	450	80	7
1062	117	15	405	89	4
1438	126.7	24	202	75	2
1135	125.7	10	557	80	4
2194	121.3	22	291	74.5	4
1040	125.3	20	138	63.5	5
1922	127.7	18	138	72	5
708	125.3	7	291	69	4

纵坡坡度		速度调整
上坡	坡度[2%,3%]	V_s=0.956V
	坡度[3%,4%]	降低5 km/h/1000 m，直至最低运行速度
	坡度>4%	降低8 km/h/1000 m，直至最低运行速度
下坡	坡度[2%,3%]	V_x=1.045V
	坡度[3%,4%]	增加10 km/h/500 m，直至期望速度
	坡度>4%	增加10 km/h/500 m，直至期望速度

[1]	NA Jing-xin, BAI Shuang, LIU Hai-peng, YAN Ya-kun. Effects of drawbead corner radius and metal flow direction on drawbead restraining force [J]. 吉林大学学报(工学版), 2015, 45(5): 1402-1407.
[2]	XU Liang,CHENG Guo-zhu. Setting minimum vehicle speed limit on freeway based on speed scattering and economic speed [J]. 吉林大学学报(工学版), 2010, 40(03): 661-0665.
[3]	GUI Hai-Lin, WANG Jin-Song, WANG Yun-Peng, E Wen-Juan, GAO Lei. Vehicle fuel consumption model based on urban road operations [J]. 吉林大学学报(工学版), 2009, 39(05): 1146-1150.
[4]	LI Xia，SHAO Chun-fu，CAO Peng . Economy level and freight model utilizing quick Kmeans cluster method [J]. 吉林大学学报(工学版), 2008, 38(05): 1040-1043.

Modeling and analysis of road speed micro model in long straight line section of desert

RICH HTML

PDF (PC)

Abstract

Cite this article

share this article

Figures/Tables 15

References 13

Related Articles 4

Metrics

Comments

Recommended 0