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Ancient Roman Concrete

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Concrete has been used as building material for very long time ago. About 3000 B.C, the Egyptians were blended mud and straw to form blocks and utilized gypsum and lime to make mortars. In 300 B.C, the Ancient Roman improved that combination and gave it a name (Steiger, 1995). "Concrete" originates from the Latin “concretus”, which means developed together or intensified. The new material helped them on building a lot of structures, which could endure the attack by elements and their enemies.
In 75 B.C, the Romans again improved concrete technically. Not using the same ingredients with Egyptians, they mixed their constituents (wet lime and volcanic stone) in a mortar box with almost no water to give an about dry creation; conveyed it to the

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