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http://dx.doi.org/10.7855/IJHE.2015.17.1.035

A Study to Analyze Service Life of Expressway Pavement according to Traffic Volumes and De-icing Chemicals  

Kim, Chan-Woo (한국도로공사 도로처)
An, Soo-Han (한국도로공사 도로처)
Park, Hee-Young ((주)로드코리아 기술연구소)
Lee, Jung-Hun ((주)로드코리아 기술연구소)
Jung, Chul-Ki ((주)로드코리아)
Publication Information
International Journal of Highway Engineering / v.17, no.1, 2015 , pp. 35-41 More about this Journal
Abstract
PURPOSES : The purpose of this study is to analyze the service life of expressway pavement based on both traffic volumes and use of deicing chemicals. METHODS : A database was built using expressway rehabilitation history information from over the last decade. In order to estimate the service life of expressway pavement, various analysis methods were considered, and a decision was made to perform analysis using a method based on an accumulated rehabilitation ratio. The service life of expressway pavement was then analyzed by classifying the scale of traffic volume and extent of de-icing chemicals used. RESULTS : The service life of PMA and SMA ranged from 7.8 to 10.6 years and from 9.9 to 12.0 years, respectively. The service life of JCP ranged from 16.0 to 22.2 years, and the service life of CRCP was 33.5 years on average. Results of assessing service life according to traffic volumes and de-icing chemicals showed that the lower the traffic volumes were, the greater the service life of PMA and JCP, and the less that de-icing chemicals were applied, the greater the service life of JCP. CONCLUSIONS : The dependence of expressway pavement service life on traffic volumes and de-icing chemicals makes it possible to apply LCCA for regional maintenance plans and cost-effective selection of expressway pavement type.
Keywords
service life; expressway; traffic volume; de-icing chemical;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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