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Implementation of Geosynthetic-Stabilized Roadways for Base Course Reduction: Field Monitoring and Design Recommendations [Project Summary Report]
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2023-08-31
[PDF-362.37 KB]
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Edition:Project Summary Report
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Abstract:Geogrids are used within the base or as a subgrade/base interface layer for enhancing the performance of flexible and rigid pavements. While there has been significant use, particularly in Texas, of geogrid-reinforced pavements, limited research has dealt with the methodologies of quantifying their influence on pavement performance. In the state of Texas, while extensively used for environmental loads, limited work has been done on the development of design procedures against traffic loads for pavement structures containing geogrids. Evaluation of unbound aggregate layers stabilized with geogrids in full-scale field test sections would offer key insights and provide significant benefits to TxDOT in terms of modifying its design procedures (built into FPS-21 program) to consider geogrids’ contribution to the performance of stabilized flexible pavements.
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