Physical model test of reinforced flexible pavement
Conference proceedings article
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Publication Details
Author list: Kunakulsawat V., Punthutaecha K., Youwai S., Kongkitkul W., Jongpradist P., Maneetes H.
Publisher: Hindawi
Publication year: 2010
Start page: 1551
End page: 1554
Number of pages: 4
ISBN: 9788563456007
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
Abstract
The distress problems for flexible pavement (FP) are mainly caused by underestimation of traffic volume and degrading of material properties. One of the economical methods to increase the overall performance, in particular, the long-term ones, of FP is to reinforce it with geosynthetic reinforcement. In this study, a series of scaled-down model tests were performed on FP and overlay either reinforced or unreinforced with geogrid or geocomposite layer, subjected to cyclic loading Shear strain distributions for sub-soil underneath the FP were determined by means of a photogrammetric method. From testing results it was observed that the permanent deformation of reinforced FP as well as shear strain of base layer below asphaltic concrete was significantly lower than those of non-reinforced FP.
Keywords
Flexible pavement, Geotextile
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