A chemical substance added to a concrete mix that increases the rate of hydration and increases the set time.
Sand, rock, crushed stone, or any material that enhances concrete’s structural performance.
Bleed water (bleeding)
Water that rises to the surface of freshly placed concrete.
A tool comprised a large flat rectangular blade that is used in the finishing process of concrete.
Concrete is a building material made from a combination of cement, aggregate and water.
Control (or contraction) joint
A man-made groove in a concrete slab used to help control the location of cracking.
Very small, random cracks found in the surface of concrete due to shrinkage (non-structural).
Unit of measure for ready mix concrete.
The process that protects concrete from moisture loss by maintaining a saturated surface.
A liquid that is applied to the surface of newly placed concrete to retard the evaporation of water.
Concrete that includes color, texture, pattern, or a combination of treatments.
Fiber-reinforced concrete (FRC)
Concrete containing fibrous material which increases its structural integrity. It contains short discrete fibers that are uniformly distributed and randomly oriented.
Working the surface of newly placed concrete in order to achieve the desired appearance.
A supplementary cementitious material used to make concrete.
A project’s ground level or elevation.
A coloring agent mixed into fresh concrete before placement.
A sealer that penetrates the concrete’s surface in order to repel moisture.
Pervious concrete is a special type of concrete that allows water to pass through it.
The physical movement of concrete from the mixer into the final location where it is to harden and cure.
A high-gloss finish attained by using special floor polishers.
Cement is a combination of finely ground materials that is used to make concrete. It is the main ingredient that causes concrete to harden.
Concrete that is batched or mixed at a plant before delivery to the job site for placement.
A steel reinforcing rod in concrete.
The flaking of a hardened concrete surface, typically due to freezing and thawing.
A liquid-based material used to protect the surface of concrete.
A measure of consistency of freshly mixed concrete, as determined by the distance the concrete displaces after a molded specimen is removed from a funnel-shaped cone.
Concrete that is patterned to resemble materials such as brick, slate, stone, tile, and wood planking.
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