Asphalt grids or commonly known as asphalt geogrids, are utilized for supporting asphalt pavements. They are constructed of fiberglass or polyester and coated with asphalt which allows them to incorporated with asphalt layers. These grids improve the binder course tensile strength of pavements, therefore increasing the resistance to fatigue cracks, rutting, and reflective cracks. It helps reduce stress concentrations within the asphalt layer by redistributing traffic loads more uniformly, enhancing the lifespan of the pavement. Furthermore, asphalt geogrid strengthens the bonds between the layers, providing superior resistance against vertical shear, increasing the capability of the pavement to resist changes in temperature.
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