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lundi 12 mai 2014

Construct Quality Pavements Through Asphalt Paving Phoenix Contractors

By Essie Osborn


Hot mix asphalt is a less expensive method of installing pavements in new and old homes as well as business properties. If you are planning to pave your surfaces, you may consider this material as your choice. With asphalt paving Phoenix contractors, they can design and pave surfaces using the best practices and state-of-the-art equipments.

You need to seek the helping hand of an experienced and qualified contractor. If pavements are not designed using the best practices, they can fail prematurely. The contractor should use the right depth of aggregate and sufficient thickness for blacktop. The compacting process for aggregate material should also be done properly.

However, it requires proper maintenance to prolong the life expectancy of the surface. Once you have installed the blacktop, you will find that it is more flexible when new. This is because it retains most of the light hydrocarbon oils. However, as it starts to age, the oils dry up and the surface becomes brittle.

A crown to edge sloping grade is essential for your pavements in order to drain away the water collecting on surfaces. At the edges, water should also be directed away from the road and from any building structures. When cracks occur, they have to be repaired as soon as possible. Cracks are not a good sign to the structural integrity of roads.

Cracks, when left unattended, they continue to widen and deepen. Soon you will have to deal with a serious problem. Cracks allow water to penetrate underneath pavements. That water may freeze during winter and continue enlarging the cracks. The freeze-thaw cycle is considered potential risk for pavements.

The frozen water melts during the warm weather and leaves behind empty spaces that are filled with materials from the blacktop. However, with timely sealing of cracks or patching of extensive cracked sections, you can prevent further water damage. Seal coating is also an important procedure for your pavements. It helps enhance the elasticity of blacktop thus preventing cracking and restoring tracking effect.

The movement of soils may cause the sub base to be unstable. If cracks have developed, crack filling can be applied to restore the damaged sections of your driveways or parking lots. Crack fillers prevent further damage to the road structures. Presence of cracks allows water to start seeping underneath your driveway. Water results to serious damages when it finds its way into the sub grade layer. The increasing moisture weakens the soils and makes the sub base unstable. In addition, the water settling down in cracks expands during the cold months of winter.

If you are designing a new driveways or parking lot, you should have a sketch of the home and the footprint of the desired pavement surface. This is critical in obtaining accurate quotes from a contractor. You can walk the site with the expert pavement contractor and have him stake or paint lines where the driveways will lay. The subject of installing a sloping grade or crown to edge slope has to be discussed in order to take care of drainage issues. A crown to edge design or grading allows water to flow to edges where it is drained in the right drainage channels.




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