Practice Admixtures In Special Concretes (4.10) - Chemical Admixtures

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the purpose of using high-range water reducers in SCC?
Show hintHide hint
Think about how SCC is designed to behave.
Question 2.
Name one type of admixture used in HPC.
Show hintHide hint
Recall the additives that increase performance.
3Question 3.
What is a primary reason for using accelerators in shotcrete?
- To increase working time
- To achieve fast setting
- To improve pumpability
Show hintHide hint
Think about the application speed needed in shotcrete.
4Question 4.
True or False: High-Performance Concrete utilizes only traditional additives.
- True
- False
Show hintHide hint
Consider the advancements in concrete technology.
Question 5.
Develop a complete design specification for a project using high-performance concrete in a marine environment, including admixture selection and their functions.
Show hintHide hint
Consider the harsh conditions and required performance attributes.
Question 6.
Evaluate the effects of using air-entraining agents in mass concrete applications during hot weather.
Show hintHide hint
Think about why balance in temperatures is crucial for mass concrete.

4 more questions in this section. Enroll free to practise them all.