|Key Points About Asphalt
Asphalt pavements are a best buy. They are cost-effective, safe, durable, long-lasting, can be built quicker than other pavements, and are easy to maintain. This means much shorter traffic delays during construction and rehabilitation. They are also 100% recyclable.
|Asphalt pavements can be placed much quicker than other products.
Asphalt pavements can be turned over to traffic almost immediately; no curing time is necessary.
Asphalt pavements are easy to maintain, reducing traffic delay costs.
A recent study on highways in Texas indicated that rehabilitation of an asphalt pavement can be completed 2.8 times quicker than rehabilitation of a concrete pavement. Overall, the concrete construction averaged 7.9 working days. The construction costs were about $120,000 per lane mile for concrete as compared to $39,000 for asphalt.
Resurfacing with asphalt not only returns the pavement to its original smoothness, it also adds structural value to withstand increased vehicle weights and traffic volumes.
When specified and constructed correctly, asphalt is rut-resistant and can withstand very heavy loads. For example, airport runways made of asphalt pavement are often designed to support the force of a jumbo jet landing. This can easily be up to 100,000 pounds per single wheel.
One hundred percent of an asphalt road can be picked up, remixed with a portion of fresh materials, and used again. You trade in a worn-out surface for a new one.
Recycling of asphalt pavement is more cost-effective than using only virgin materials. The quality of a pavement containing recycled materials is as good, or even better, than one containing brand new materials.
Recycling of asphalt not only conserves our precious natural resources and speeds construction, it also saves American taxpayers over $300 million a year.
If you don't reuse worn-out asphalt pavement, you have to dispose of it, usually in a landfill. Hauling old pavement to dispose of it adds to the costs and does not make best use of a product that can be recycled. Asphalt pavements can be recycled numerous times.
Properly designed and maintained asphalt pavements are safe because they are smooth and skid resistant. A smooth surface maximizes the size of tire contact, increasing skid resistance.
Asphalt pavements that have outlived their service life can be removed and recycled, renewing the skid resistance and smoothness of the surface.
In bad weather, asphalt pavements have distinct advantages in visibility and safe driving.
Asphalt retains heat better than concrete, so ice forms more slowly and melts more quickly on asphalt roads than concrete roads.
Asphalt pavements can be designed so that rainwater drains through the surface layer of the pavement, reducing tire spray and improving driver visibility, plus reducing hydroplaning by increasing tire-to-road contact.
Informations taken from the National Asphalt Pavement Association's website at www.hotmix.org