20 Terms
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Concrete
Referring to an artificial, stonelike material used for various structural purposes, that is made from the drying and hardening of cement.
Industry: Building materials
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Concrete
hydrogenesis
Building materials; Concrete
Another term for condensation. The term is especially applied to base and soil substrates under highway pavements where the barometric pump causes the inhalation of humid air, which then condenses in ...
hydraulic cement
Building materials; Concrete
A variety of cement engineered to harden under water (ASTM 219).
hydration
Building materials; Concrete
The chemical reaction that occurs when cement is mixed with water. A concrete slab needs to completely hydrate prior to the application of paints, coatings, and flooring materials.
high reactivity metakaolin (HRM)
Building materials; Concrete
Refined form of an ASTM C618, Class N (natural) pozzolan. A high performance, mineral admixture, similar in performance to silica fume. The pure white powdered form will not affect the natural color ...
hot load
Building materials; Concrete
Construction slang used to describe ready-mix concrete that has begun its hydration process while still in the delivery drum of the agitator truck. Hydration causes heat build up in the concrete mix.
honeycomb
Building materials; Concrete
An area in a foundation wall where the aggregate (gravel) is visible. Honeycombs can be usually be remedied by applying a thin layer of grout or other cement product over the affected area. A method ...
holding period
Building materials; Concrete
In the manufacture of concrete products, the period between completion of casting and the introduction of additional heat or steam curing period.
