6. Glossary

Concrete

Building material made from a mixture of cement, sand, and gravel.

Cement

Mineral powder with hydraulic properties, forming a hardening paste when mixed with water.

Additions

Powders of mineral origin added to concrete to modify certain properties. They can be inert or reactive.

Chemical affinity

Chemical affinity in thermodynamics is a state function that can be used to predict the direction of a chemical reaction.

Cement hydration

Chemical reaction process that allows cement to harden when it comes into contact with water.

Heat of hydration

Heat released by cement during hydration.

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