3 Experts Tips from Someone With Experience

How is Asphalt Maintenance Done? There are four areas to consider when it comes to asphalt maintenance. When water penetrates into the asphalt base, then this is the primary cause of the failure of asphalt. In the course of time, the asphalt will become brittle and dry with the aggregate starting to wear away and this causes cracks that will let water penetrate into the base of the pavement. The base material will then move and settle when water seeps into the cracks. This results in a grid-like cracking on the surface. Replacing the old asphalt or patch repairing it are the two options you can take when your pavement begins to crack. When doing patch repair, you only consider isolated areas of the pavement. The pavement is removed used a backhoe and saw-cutting. You can also use a grinding machine for this purpose. New asphalt is put to replace the old asphalt that was removed. The amount that is removed is determined by the removal method. The depth of removal should be 1.5 times the original thickness of the asphalt. In order to have a uniform base support, you should replace the base rock so that it matches the adjacent area. The amount of removal should be extended a foot past the area that failed. The maintenance method using asphalt overly is one that is affordable and provides a new wearing surface. There are certain factors that one needs to be aware of when dealing with asphalt overlay. The overlay should have a maximum thickness of 2.5 inches and a minimum of 1.5 inches. Grinding down the pavement should not be done on the overlay section so that he existing structure will be matched. The overlay strength could be weakened if you do this. To prevent this they need to grind the existing pavement down to where they meet flush together.
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Inlaying and pulverizing in place is another aspect of asphalt maintenance. This is accomplished using a milling machine. During the inlay process, a depth of the existing asphalt is removed. You should do it at a depth which is deeper than a previous overlay. Then asphalt is put back to the pre-inlay elevation. The method of pulverize-in-place will reduce all of the asphalt to particles that are base-rock size.
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If you want to extend the life of asphalt, then seal coating is important and should not be neglected. Mineral fibers, emulsified asphalt, water, and other admixtures are combines to make up the seal coating. In order to prevent water from penetrating the pavement surface, it is important to seal coat the top layer of the asphalt and this will protect the top layer from wear from sun exposure and oxidation. This gives the asphalt its even black coating.


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