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    題名: Development of Fatigue Cracking Prediction Models Using Long-Term Pavement Performance Database
    作者: Ker, Hsiang-wei;李英豪;Lee, Ying-haur;Wu, Pei-hwa
    貢獻者: 淡江大學土木工程學系
    關鍵詞: Cracking;Databases;Fatigue;Flexible pavements;Predictions
    日期: 2008-11
    上傳時間: 2010-08-09 17:58:09 (UTC+8)
    出版者: Reston: American Society of Civil Engineers
    摘要: This study strives to develop improved fatigue cracking models using the long-term pavement performance database. The prediction accuracy of the existing models was found to be inadequate. Several modern regression techniques including generalized linear model and generalized additive model along with the assumption of Poisson distribution and quasi-likelihood estimation method were adopted for the modeling process. After many trials in eliminating insignificant and inappropriate parameters, the resulting model included several variables such as yearly KESALs), pavement age, annual precipitation, annual temperature, critical tensile strain under the asphalt-concerete surface layer, and freeze-thaw cycle for the prediction of fatigue cracking. The proposed model appeared to have substantial improvements over the existing models although their further enhancements are possible and recommended.
    關聯: Journal of Transportation Engineering 134(11), pp.477-482
    DOI: 10.1061/(ASCE)0733-947X(2008)134:11(477)
    顯示於類別:[土木工程學系暨研究所] 期刊論文

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