路侧示警桩设置关键指标研究

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Abstract This study aims to investigate retroreflectivity sheeting matching and design of highway warning piles. The effects of relevant parameters on the nocturnal guidance for a change in horizontal alignment of highway-side warning pile are studied and discussed by using real vehicle tests. We consider the two forms of warning piles that are commonly used on national highways. The first is the red and white warning piles, which is used for warning function of access spots; and the second is the yellow and black warning piles, which is used for the induction function of highway side profile. Deceleration spots before the vehicle enters the bend and the smoothness of the deceleration process are considered identification indicators on the basis of the real vehicle test. We obtain optimal quantities of retroreflectivity sheeting matching and design of highway warning piles using mathematical statistics method and correlation analysis. We also propose a corresponding low-cost solution considering the low budget of low-class highways.

Key words： traffic engineering traffic safety difference analysis sight delineation warning pile design specification real vehicle test

Received: 03 November 2018

Fund:Supported by the Standardization Research Project of Ministry of Communications (No.2016 3722)

Corresponding Authors: JIANG Ming E-mail: 40122436@qq.com

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	JIANG Ming
	CHEN Yan-Yan
	FENG Yi-dong
	ZHOU Rui

Cite this article:

JIANG Ming,CHEN Yan-Yan,FENG Yi-dong, et al. Key Design Indicators for Roadside Warning Piles[J]. Journal of Highway and Transportation Research and Development, 2019, 13(1): 79-87.

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http://manu27.magtech.com.cn/Jwk_gljtkj_en/EN/ OR http://manu27.magtech.com.cn/Jwk_gljtkj_en/EN/Y2019/V13/I1/79

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