Texas flexible pavements overlays : review and analysis of existing databases.
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2011-12-01
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Alternative Title:Project title: Collection of materials and performance data for Texas flexible pavements and overlays
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Abstract:Proper calibration of pavement design and rehabilitation performance models to
conditions in Texas is essential for cost-effective flexible pavement design. The degree of
excellence with which TxDOT’s pavement design models is calibrated will determine how
optimally literally billions of dollars of future roadway investment capital will be spent. The
magnitude of benefits and consequences involved make this research project one of the more
important research efforts the department has undertaken recently.
Collection of quality and reliable pavement performance data on a sustained basis is the
main goal of this project. Inevitably, this presents a perfect opportunity to calibrate and validate
the current design methods and models for both flexible pavement and overlays. The calibration
of these models to the Texas local conditions will result in pavement designs that are more
economical in the long term and that have an increased likelihood of performing as expected.
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