Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
2 cards from this section. Quick, good the night before a test.
What do admixtures do to the workability of concrete?
Think about how they help with flow and handling.
Name one effect that accelerators have on concrete.
Recall what happens in cold weather conditions.
What is the primary benefit of using water reducers in concrete?
Think about the goal of reducing excess water.
True or False: Retarders can be used to hasten the setting time of concrete.
Reflect on the terminology of 'retard' and 'accelerate'.
You are constructing a bridge in a coastal area where there is a high risk of corrosion. Describe what type of admixtures you would recommend and justify your choice.
Consider the specific issues of salt and moisture in coastal environments.
During a hot summer construction project, the workers have a short window to pour concrete before it sets too quickly. Which admixture would you utilize, and why?
Think about the conditions and how they affect concrete setting.
4 more questions in this section. Enroll free to practise them all.
Enroll free