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http://dx.doi.org/10.12652/Ksce.2012.32.6D.599

A Development of Strength Prediction Model of Epoxy Asphalt Concrete for Traffic Opening  

Baek, Yu Jin (경기대학교 대학원 토목공학과)
Jo, Shin Haeng (경기대학교 대학원 토목공학과)
Park, Chang Woo (승화 명품건설 기술연구소.경기대학교 대학원 토목공학과)
Kim, Nakseok (경기대학교 토목공학과)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.32, no.6D, 2012 , pp. 599-605 More about this Journal
Abstract
It is important to decide traffic opening time for construction plan of epoxy asphalt pavement. For this purpose, strength prediction model of epoxy asphalt concrete is required. In this study, Marshall stability was measured according to temperature and time for making strength properties equation. Strength prediction model was developed using chemical kinetics considering temperature variation. The traffic opening time of epoxy asphalt pavement on bridge deck has been predicted using the developed model. The prediction and actual traffic opening times were different by 17-days, because weathers of year 2009-2011 used in prediction model were different from weather of year 2012. When the prediction model used the actually measured temperatures of pavement, the difference between real opening time and prediction opening time was two days. The correlation analysis result between measured strength and prediction strength revealed that the $R^2$ using accurate temperature of pavement was 0.95. An improved precise prediction result is to be obtained if the prediction model uses accurate temperature data of pavement.
Keywords
epoxy asphalt; chemical kinetics; traffic opening time; strength prediction model;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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