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Tech Check Handout - Construction Materials By Commonly...

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Construction Materials By: Commonly Used Materials Concrete o History : The first concrete structure is located in Serbia dating back to 5600 BC. The Assyrians and Babylonians used clay as cement in their concrete. The Egyptians used lime and gypsum cement. In the Roman Empire, concrete made from quicklime, and an aggregate made from pumice was very similar to modern Portland cement concrete. The discovery of concrete was lost for 13 centuries until in 1756, the British engineer John Smeaton pioneered the use of Portland cement in concrete, using pebbles and powdered brick as aggregate. o Uses : Concrete is used more than any other manmade material on the planet. It is used to make pavements, architectural structures, foundations, motorways/roads, overpasses, parking structures, block walls, and footings for gates, fences and poles. o History : There is no real recorded beginning, but it has been used ever since humans have been creating shelters. Examples are poles or Native American tee-pees, log cabins, basic wood-plank
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