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http://dx.doi.org/10.7855/IJHE.2011.13.2.031

Comparison of the Pavement Performance for Concrete Overlay and Asphalt Overlay on Aged Cement Concrete Pavement  

Lee, Seung-Woo (강릉원주대학교 토목공학과)
Son, Hyeon-Jang (한국건설기술연구원 도로연구실)
Publication Information
International Journal of Highway Engineering / v.13, no.2, 2011 , pp. 31-39 More about this Journal
Abstract
More than sixty percentage of highway in South Korea were constructed by concrete pavements and more than half of the concrete pavements were twenty years or older. Maintenance and rehabilitation of aged cement concrete pavements required early transportation opening due to difficulty of preparing bypass roads, given South Korea's transportation condition and so far, mostly asphalt concrete overlay has been used. However, asphalt concrete pavement maintenance and rehabilitation is costly because of early damage and at the same time, it causes inconvenience to the road users. Recently, as an effective method of rehabilitation for aged cement concrete pavement, bonded concrete overlay is being attempted. Therefore, utilizing various data on year-by-year basis is needed to rationally analyze of the damage on asphalt concrete overlay and bonded concrete overlay is necessary. However, in South Korea database of Serviceability damage on asphalt concrete overlay and bonded concrete overlay does not exist. In this research, performance is evaluated by the LTPP (Long Term Pavement Performance) Data of U.S.A, which accumulated various damage data of asphalt concrete overlay and bonded concrete overlay. However, the pattern distress of asphalt concrete overlay and bonded concrete overlay are different. Therefore, the pavement distress data of each section is collected into database and distress are calculated PCI(Pavement Condition Index) in order to compare life of asphalt concrete overlay and bonded concrete overlay.
Keywords
LTPP; asphalt concrete overlay; bonded concrete overlay; pavement condition index; concrete pavement;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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