|Table of Contents|

Experimental research on horizontal curve alignment indexs of highway in high-altitude area based on driver fatigue(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2018年03期
Page:
370-
Research Field:
Publishing date:

Info

Title:
Experimental research on horizontal curve alignment indexs of highway in high-altitude area based on driver fatigue
Author(s):
Tian Lin1Xu Jinliang2Jia Xingli2Fang Jianhong3
1.School of Civil Engineering,Yantai University,Yantai 264005,China; 2.Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University,Xi’an 710064,China; 3. Qinghai Research Institute of Transportation,Xining 810007,Ch
Keywords:
road engineering driver fatigue high-altitude area highways horizontal curves alignment indexs change rate of curvature
PACS:
U412.36
DOI:
10.14177/j.cnki.32-1397n.2018.42.03.017
Abstract:
Driver fatigue is tested by experiments to ensure operational safety in horizontal curve section of highway in high-altitude area. A driver’s heart rate,oximetry and the vehicle speed are collected by a heart rate tester and a non-contact photoelectric speed sensor as the driver is driving in horizontal curve section of highway in high-altitude area. The driver’s fatigue behavior in the section is analyzed,and a relational model of the driver’s fatigue degree and the change rate of curvature is established. Experimental results show that a long straight section or a large radius circle curve followed by a circular curve with the change rate of curvature of 0.06(°)/m or the radius of 800 m in high-altitude area can relieve driver’s driving fatigue effectively.

References:

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Last Update: 2018-06-30