In concrete terminology, what term is used for substances added to concrete to achieve specific performance outcomes and should not be confused with standard admixtures?

• A. Admixtures
• B. Fillers
• C. Binders
• D. Chemicals

Answer: (D)

In concrete terminology, substances added to achieve specific performance outcomes fall under the broad category of chemicals. This umbrella covers the various additives used to modify properties like workability, set time, strength, and durability, and helps distinguish these performance-modifying agents from other components. Fillers are inert materials that occupy space and don’t deliberately change performance, while binders are the cementitious material that holds the concrete together. So, the terms “chemicals” best capture the idea of the substances added to influence concrete performance without conflating them with standard admixtures or with other components.