Podcast
Questions and Answers
Concrete is a composite material composed of ______ bonded together with a fluid cement that cures over time.
Concrete is a composite material composed of ______ bonded together with a fluid cement that cures over time.
aggregate
Concrete is the second-most-used substance in the world after ______.
Concrete is the second-most-used substance in the world after ______.
water
When aggregate is mixed with dry Portland cement and water, the mixture forms a ______ slurry that is easily poured and molded into shape.
When aggregate is mixed with dry Portland cement and water, the mixture forms a ______ slurry that is easily poured and molded into shape.
fluid
The cement reacts with the water through a process called concrete ______ that hardens it over several hours to form a hard matrix.
The cement reacts with the water through a process called concrete ______ that hardens it over several hours to form a hard matrix.
The hydration process is ______, which means ambient temperature plays a significant role in how long it takes concrete to set.
The hydration process is ______, which means ambient temperature plays a significant role in how long it takes concrete to set.
Concrete is the most widely used ______ material
Concrete is the most widely used ______ material
Concrete has ______ uses
Concrete has ______ uses
Additives such as ______ are often included in concrete mixtures
Additives such as ______ are often included in concrete mixtures
Concrete can be cast in various ______
Concrete can be cast in various ______
Concrete ______ over time to form a hard matrix
Concrete ______ over time to form a hard matrix
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