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Chipseal (also chip seal or chip and seal) is a pavement surface treatment that combines one or more layers of asphalt with one or more layers of fine aggregate. In the United States, chipseals are typically used on rural roads carrying lower traffic volumes, and the process is often referred to as asphaltic surface treatment .
Asphaltic surfaces perform intermediately relative to concrete and chip seal. Rubberized asphalt has been shown to give a 3–5 dB reduction in tire-pavement noise emissions, and a marginally discernible 1–3 dB reduction in total road noise emissions when compared to conventional asphalt applications.
Asphalt batch mix plant A machine laying asphalt concrete, fed from a dump truck. Asphalt concrete (commonly called asphalt, [1] blacktop, or pavement in North America, and tarmac or bitumen macadam in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. [2]
Sealcoating, or pavement sealing, is the process of applying a protective coating to asphalt-based pavements to provide a layer of protection from the elements: water, oils, and U.V. damage. The effects of asphalt sealers have been debated.
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It may come from the road's chip seal. Causes include: Unbound surplus aggregate not removed from the surface when the road is resurfaced. Raveling of a chip seal or asphalt concrete pavement. This is usually the result of a poor bond between the asphalt and the aggregate. As a result, the aggregate breaks free from the road surface.
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