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Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
This report presents the results of a study to plan for updating and maintaining the rigid pavement condition survey database for the Texas Department of Transportation (TxDOT). These data will be used to develop performance prediction models for rigid pavements (continuously reinforced concrete, jointed reinforced concrete and jointed plain concrete pavements) in Texas. These models will be developed for the Texas Department of Transportation for future incorporation into the Texas Pavement Management Information System (PMIS). The data collected in this project and in future projects will be combined with data collected from Project 472, which are summarized in the references, to provide improved long-term performance prediction capability.
Proper calibration and validation of pavement design and performance models to Texas conditions is essential for cost-effective flexible pavement design, performance predictions, and maintenance/rehab strategies. The veracity of the calibration of the Texas Department of Transportation pavement design models will determine how optimally billions of dollars of future roadway investment capital will be spent. For proper calibration/validation and tangible benefits, quality and reliable pavement performance data should be collected on a sustained basis. In order to accomplish the task of data collection, this five-year project was initiated to develop a comprehensive data storage system (DSS) of material properties and performance data for Texas flexible pavements and overlays. The objective of the project was to collect materials and pavement performance data on a minimum of 100 highway test sections around Texas. In total, the SS comprises 112 highway test sections scattered across Texas. This report documents all the work performed, methods used, and results ompleted throughout the project. These tasks included gathering design and construction data of test sections, executing laboratory and field performance testing, collecting traffic and climate data, and developing the data repository system consisting of the DSS and a raw data storage system (RDSSP). Finally, recommendations for the continuation of data collection to enable further calibration of performance models are given.