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Abstract:This report describes the behavior of jointed concrete pavement based on field performance and current analysis and design technology. Distress data from a rigid pavement database and existing analysis programs developed at the Center for Transportation Research at The University of Texas at Austin served as the basis for the analytical procedure. Since environmentally induced cracking in jointed concrete pavement is of considerable importance to the performance of the pavement during its service life, we developed an analysis program, termed JRCP-6, that is capable of modeling the mechanisms that lead to cracking. Specifically, this program simulates the behavior of concrete pavement subjected to changing temperatures and moisture conditions 1 year after construction. Special attention is given to modeling behavior of the pavement after cracking has occurred. In addition, calibration of the model and an explanation of program operation are presented, as well as initiatives for the incorporation of vehicular loading and distress prediction methodologies into the analysis.
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