Seasonal Effects on the Dynamic Deformation of Geosynthetic-Reinforced Pavements
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
This paper presents results from a study of the impact of environmental interaction on the deformation behavior of flexible pavements with geosynthetic basal reinforcement. Falling Weight Deflectometer, Spectral Analysis of Surface Waves, static plate load, and cyclic plate load tests were performed on a low-volume, geosynthetic-reinforced, asphalt pavement frontage road in Eastern Arkansas at different times of the year. The results from these tests indicate a noticeable seasonal effect in the deformation response of the pavement. The seasonal effects on the deformation behavior were assessed using simulations of heat and water flow through the pavement soils under atmospheric boundary conditions with VADOSE/W. Evaluation of the predicted suction and temperature profiles indicates that temperature affects the measured deformation response. Although the results from these tests clearly indicate that pavement sections with greater base course thickness have a stiffer response, geosynthetic basal reinforcement was not observed to lead to a substantial improvement in pavement deformation response at this site.
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Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Asphalt pavements
- Climates
- Continuum mechanics
- Deformation (mechanics)
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Environmental engineering
- Geomaterials
- Geosynthetics
- Geotechnical engineering
- Infrastructure
- Load tests
- Pavements
- Seasonal variations
- Solid mechanics
- Static loads
- Statics (mechanics)
- Structural mechanics
- Surface waves
- Tests (by type)
- Transportation engineering
- Waves (mechanics)
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