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Calibration of Fatigue Performance Prediction Model for Flexible Pavements Using Field Data  

Kim, Nakseok (Department of Civil Engineering, Kyonggi University)
Publication Information
Journal of the Society of Disaster Information / v.8, no.3, 2012 , pp. 234-241 More about this Journal
Abstract
The main objective of this research is to calibrate the performance prediction models for the growth of fatigue cracking in multi-layered asphalt concrete pavement systems. However, the calibration factors are dependent upon the prediction model, testing method, and the laboratory loading history. A detailed study on the field data has revealed that the performance of flexible pavements is affected by both the traffic loading and the environmental cycling which is related to the age of the pavements. Thus, a composite indicator was developed in this study which utilizes both the traffic and the age information with appropriate weighting factors. Using the proposed fatigue performance model the calibration factors were also estimated through the comparisons between the field performances on fatigue cracking and the laboratory-based fatigue life.
Keywords
fatigue performance; prediction model; flexible pavement; weighting factors; calibration factors;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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