Preliminary Distress and Performance Prediction Models for Concrete Pavements in Texas
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1993-08-01
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Edition:Interim
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Abstract:This document presents the results of a study to develop and test distress and performance prediction models for rigid pavements (continuously reinforced concrete, jointed reinforced concrete, and jointed plain concrete pavements) in Texas. These models were developed for the Texas Department of Transportation (TxDOT) for possible incorporation into their Texas Pavement Management Information System (PMIS). Data for testing the models were obtained from databases maintained by TxDOT and the Center for Transportation Research (CTR) at The University of Texas at Austin. The database maintained by TxDOT is part of the Department's Pavement Evaluation System (PES). Additional maintenance and rehabilitation (M&R) data were obtained from TxDOT district offices. The modeling process consisted of rust identifying the prevalent distress manifestations for rigid pavements in Texas. The available data sources were then studied to determine whether data were available to test models for the prevalent distress manifestations identified. A survey was conducted to collect M&R data from TxDOT district offices. These M&R data were merged with the PES condition evaluation data in order to separate the condition data into M&R categories. Four M&R categories were defined: preventive, light, moderate, and heavy. A study was also performed to determine the compatibility between the PES and CTR databases.
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