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SPR-2297: Updating Pavement ME Climate Module for Efficient Design, Management of Oklahoma Pavements

Project Details
STATE

OK

SOURCE

RIP

START DATE

10/01/23

END DATE

09/30/25

RESEARCHERS

Amanda Warren, Jerry Rice, Rifat Bulut

SPONSORS

Oklahoma Department of Transportation

KEYWORDS

Climate, Mechanistic-empirical pavement design, Pavement design

LINKS

Link

Project description

This project will explore the design of climate-resilient pavements utilizing the global climate models (GCMs), and appropriate maintenance and rehabilitation measures will be also be selected. The GCMs will be evaluated and the most relevant models will be selected, and appropriate downscaling techniques that are suitable for the conditions of Oklahoma will be utilized. The selected model(s) will be used for prediction of future climate conditions and generation of synthetic data. The suitability of Oklahoma Mesonet climate data will be evaluated, as well as suitability of extracting historical climate data from other sources, for evaluation and use as a database for predicting distresses in selected pavement sections in Oklahoma. Pavement distresses will be analyzed using projected future climate data. Historical Oklahoma Mesonet data, and data from other sources including existing climate data files, will be used to create virtual weather stations in the current AASHTOWare Pavement ME software. Performance of the virtual weather stations will be analyzed and compared with those from the existing stations. Software simulation results will be analyzed to establish a regionwide climate data source for improved design of pavements in Oklahoma.
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