Practice Sulfate Attack (9.13.1) - Topics in Hardened Concrete - Concrete Technology

Practice: Sulfate Attack

Lesson 9.13.1Topics in Hardened Concrete

Practise this section

11 questions

Flashcard drill
4 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
5 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is sulfate attack?
Show hintHide hint
Think about what sulfates do when they come into contact with concrete.
Question 2.
Name one source of sulfates.
Show hintHide hint
Consider common substances found around construction sites.
3Question 3.
What harmful compounds form during sulfate attack?
- Chloride
- Ettringite
- Carbonate
Show hintHide hint
Think of the chemical reactions that occur with sulfates.
4Question 4.
True or False: Internal sulfate attack results from sulfates penetrating from external sources.
- True
- False
Show hintHide hint
Remember where the sulfates come from.
Question 5.
A construction project is located in an area known for high sulfate levels in groundwater. Discuss the properties of materials that should be selected for the project to mitigate sulfate attack.
Show hintHide hint
Consider both the cement and aggregate types used.
Question 6.
Analyze a case where a concrete structure experienced significant cracking attributed to sulfate attack. Based on your analysis, propose a comprehensive prevention strategy.
Show hintHide hint
Explore structural and material aspects.

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