You have your wheelbarrow, concrete mixer and shovel all ready. But the hard part of making concrete, even with the best of tools, is getting the mixture right. Concrete has been used for centuries, but the concrete mixtures used today have come a long way from the mud mixtures that were once used. Take this quiz to see what you know about how concrete is made.
Which nation is the earliest on record to have used a concrete-type mixture?
Concrete is a mixture of two components: aggregates and:
What was the aggregate that was used in more primitive times?
How are aggregates categorized?
What is used as the paste in modern concrete-making?
Which type of cement is most commonly used in concrete production?
What activity is concrete-making compared to?
What are concrete admixtures?
Ingredients that are unintentionally mixed into the concrete.
Ingredients that add to the concrete mixture in some way.
When an imbalance of concrete ingredients is intentionally created.
What are premixed bags of concrete good for?
small home projects
large home renovations
large industrial building projects
Within how long does concrete need to be discharged from the drum after water has been added?
What does the term "slump loss" refer to in concrete-making?
when concrete falls out of the drum mixer on route to the building site
when concrete becomes less workable after a certain time has elapsed
when the concrete is too soft and slumps within the steel rods reinforcing its
How is concrete reinforced?
with steel mesh
with steel rods
both of the above
What affects the time concrete takes to dry?
What happens to concrete as it dries?
What substance is used to speed up concrete curing in cold weather?