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SpinDistribute.com Article Directory

The following article was published in our article directory on February 11, 2011.
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Commercial Concrete Contractors Houston

Article Category: Business

Author Name: Phil Benham - LocalDominate LLC

History of Concrete

Rome was the first civilization in ancient times to use cement in the building of structures. Roman concrete consisted of a mixture of quicklime, pozzolana, and pumice and had a compressive strength similar to that of modern Portland cement. The use of concrete revolutionized the way Romans built their structures. Instead of the rigid shapes restricted by stones or bricks, concrete allowed Roman builders to build free-flowing structures - arches, vaults, and domes. The use of concrete has also allowed many Roman structures to survive until today. Examples of Roman structures built in concrete include the Baths of Caracalla and the Pantheon.

Modern-day Cement

nowadays, modern cement is made of a mixture of concrete, mortar, and plaster. There are different types of cement used in today's constructions but the most common type in use today is Portland cement, named for its similarity in color to Portland limestone. Portland cement consists of a mixture of aluminum, calcium, and silicon. It is made by heating limestone with clay and then grinding it with a source of sulfate or gypsum.

Modern Concrete Mixture

Cement is mixed with water and other aggregates to make concrete. The ratio of water dictates the concrete's properties. Higher water content produces a freer-flowing content with increased slump while lower water content produces stronger, more durable concrete. Common aggregates used include sand and gravel. Recycled aggregates such as blast furnace slag and bottom ash are also used. Chemical admixtures may also be used to facilitate the pouring and laying of cement which may not be possible due to certain conditions. Such admixtures include accelerators, retarders, air entrainments, plasticizers, pigments, and corrosion inhibitors. Accelerators are used for quick-dry cement, retarders for cement laying which requires long pouring or setting times, while pigments gives color to the concrete, for aesthetics.

Concrete Contractors in Houston, Texas

Commercial concrete contractor services* in Houston are a number by the dozen. Different contracting companies offer different prices and packages on all Concrete contractor Houston, concrete repair Houston, asphalt paving Houston. The choice of which contractor to use is important as hiring a contractor without the necessary experience will result in substandard construction. Aside from experience, modern equipment using modern technology is also needed to make the most durable and longest-lasting concrete possible. Environmental regulations also require that the contractor use environmentally approved materials. Certification and membership in national and international bodies also shows a contractor's capability and reliability, so having a contractor who is a member of such organizations is also a plus.

Service life of concrete

Concrete is built to last for a hundred years or more. It strengthens over time and will generally last a long time, barring natural disasters and human intervention. Concrete from demolished or destroyed structures can be recycled to reduce the need to mine more gravel. It also reduces landfill use. Steel reinforcing also increases the tensile loads concrete can carry, allowing for the construction of concrete bridges and roads, which can carry enormous weight.

If you're interested in finding the best solution for your problems, check out Pavement Services, 6437 McGrew Street, Houston, TX USA, (713) 661-9295.

Keywords: concrete contractor Houston, concrete repair Houston, asphalt paving Houston

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