4.2 - Mechanism of Action
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the purpose of water reducers in concrete?
💡 Hint: Think of how it helps with mixing.
Name two types of accelerating admixtures.
💡 Hint: One is typically avoided in reinforced concrete.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main advantage of using water reducers in concrete?
💡 Hint: Remember how it affects the mix.
True or False: Accelerators do not affect the strength gain of concrete.
💡 Hint: Think about what accelerators do.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given that a concreting project in a hot climate requires a longer setting time, how would you justify the use of retarding admixtures?
💡 Hint: Consider the temperature's effect on setting time.
In a specific project, excessive use of a superplasticizer leads to reduced strength in concrete. Analyze this situation.
💡 Hint: Think about too much of a good thing impacting results.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.