自然环境中指路标志反光膜逆反射率和衰减特征研究

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摘要 To determine the deterioration characteristics of the retroreflective sheeting used for guide signs, this study examined 12-year (1998-2010) observation data on 230 guide signs located in a test square. On the basis of the data, the deterioration curves of sheeting materials were calculated and the mathematical deterioration model for retroreflective sheeting was accordingly constructed. In determining the most suitable reference model, we chose among a linear mathematic model, a second-order polynomial model, and a cubic curve regression model. It was then applied to the signs found along Jiangxi Yongwu expressway in China. This research is expected to provide guidance for the maintenance of traffic signs in our country.

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	黄文红
	胡丽琴
	姜明

关键词 ： traffic engineering, deterioration model, guide sign, retroreflective sheeting, retroreflectivity

Abstract：To determine the deterioration characteristics of the retroreflective sheeting used for guide signs, this study examined 12-year (1998-2010) observation data on 230 guide signs located in a test square. On the basis of the data, the deterioration curves of sheeting materials were calculated and the mathematical deterioration model for retroreflective sheeting was accordingly constructed. In determining the most suitable reference model, we chose among a linear mathematic model, a second-order polynomial model, and a cubic curve regression model. It was then applied to the signs found along Jiangxi Yongwu expressway in China. This research is expected to provide guidance for the maintenance of traffic signs in our country.

Key words： traffic engineering deterioration model guide sign retroreflective sheeting retroreflectivity

收稿日期: 2012-10-15

基金资助:Supported by the National Science and Technology Support Program of China (No.2009BAG13A02)

通讯作者: HUANG Wen-hong, 627226308@qq.com E-mail: 627226308@qq.com

引用本文:

黄文红, 胡丽琴, 姜明. 自然环境中指路标志反光膜逆反射率和衰减特征研究[J]. Journal of Highway and Transportation Research and Development, 2013, 7(2): 88-93.
HUANG Wen-hong, HU Li-qin, JIANG Ming. Retroreflectivity and Deterioration Characteristics of Sheeting Used for In-Service Guide Signs. Journal of Highway and Transportation Research and Development, 2013, 7(2): 88-93.

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http://manu27.magtech.com.cn/Jwk_gljtkj_en/CN/ 或 http://manu27.magtech.com.cn/Jwk_gljtkj_en/CN/Y2013/V7/I2/88

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