Concrete | Definition, Composition, Uses, Types, & Facts
concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together by cement and water. Among the ancient Assyrians and Babylonians, the bonding substance most often used was clay. The Egyptians developed a substance more closely ...
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The College of Engineering's Summer Camps has open slots on a first-come-first-serve basis for rising 3rd – 5th grade students.Credit card payment is due at the time of registration to secure the camp spot for summer 2022 on the North Carolina State University campus in Raleigh.We look forward to welcoming our campers to our campus …