Asphalt composition paving, also known as asphalt concrete or simply asphalt, is a popular material used in the construction of roads, driveways, parking lots, and other surfaces. It is made up of a mixture of asphalt binder and aggregates, which can include crushed stone, gravel, sand, and recycled materials. The asphalt binder is a black, sticky substance that is derived from crude oil and acts as a glue to hold the aggregates together. The process of creating asphalt composition paving involves heating the asphalt binder to a high temperature and then combining it with the aggregates in a mixing plant. The resulting mixture is transported to the construction site and laid down in layers using specialized equipment. The layers are then compacted to create a smooth, durable surface. One of the key benefits of asphalt composition paving is its ability to withstand heavy traffic and harsh weather conditions. It is also relatively easy and cost-effective to maintain, as damaged areas can be easily repaired by patching or resurfacing. Additionally, asphalt is a sustainable material, as it can be recycled and reused multiple times. Despite its many advantages, there are also some drawbacks to asphalt composition paving. One of the main concerns is its environmental impact, as the production and transportation of asphalt can contribute to air pollution and greenhouse gas emissions. Additionally, asphalt can become slippery when wet, which can be a safety hazard for drivers and pedestrians. Overall, asphalt composition paving is a widely used and effective material for creating durable and long-lasting surfaces. Its benefits and drawbacks should be carefully considered when choosing a paving material for a specific project.
asphalt binder, aggregates, mixing plant, durability, sustainability
CITATION : "John Jackson. 'Asphalt Composition Paving.' Design+Encyclopedia. https://design-encyclopedia.com/?E=411390 (Accessed on June 07, 2023)"
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