Practice Sulphate Attack (3) - Introduction to Durability and Permeability

Practice: Sulphate Attack

Lesson 3Introduction to Durability and Permeability

Practise this section

9 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
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is sulphate attack?
Show hintHide hint
Think about the chemical reaction between concrete and sulphates.
Question 2.
Name one source of sulphate ions.
Show hintHide hint
Consider common materials found in the earth.
3Question 3.
What is the primary consequence of sulphate attack on concrete?
- Increased Permeability
- Structural Damage
- Color Change
Show hintHide hint
Consider what happens to concrete when it is attacked.
4Question 4.
True or False: Thaumasite Form of Sulphate Attack occurs only in dry environments.
- True
- False
Show hintHide hint
Recall the environmental conditions surrounding this type of attack.
Question 5.
Evaluate how an aggressive environment with high sulphate content could affect a bridge built using standard Portland cement.
Show hintHide hint
Think about the long-term durability and integrity of the structure.
Question 6.
Design a concrete mix for a foundation in an area known for high sulphate levels. What components would you include?
Show hintHide hint
Consider how different component choices can impact the concrete’s resilience.

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