the act of obtaining cores from hardened concrete or masonry structures, rock, or soil.
deterioration of a material, usually a metal, that results from a chemical reaction with its environment.
in concrete construction, a horizontal layer of concrete, usually one of several making up a lift; in masonry construction, a horizontal layer of block or brick. (See also lift.)
the least distance between the surface of embedded reinforcement and the surface of the concrete.
a complete or incomplete separation of either concrete or masonry intotwo or more parts produced by breaking or fracturing. (See also fracture.)
the person, firm, or corporation with whom the owner enters into anagreement for construction of the work.
the degree to which a freshly mixed concrete, mortar, grout, or cement paste resists deformation. (See also normal consistency, plastic consistency, and wettest stable consistency.)
an apparatus for measuring the consistency of cement pastes, mortars, grouts, or concretes.
the process of reducing the volume of voids, air pockets, and entrapped air in a fresh cementitious mixture, usually accomplished by inputting mechanical energy. (See also compaction, vibration, rodding, and tamping.)
engineering materials made from two or more constituent materials that remain distinct but combine to form materials with properties not possessed by any of the constituent materials individually.
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