Practice Types Of Sulphate Attack (3.3) - Introduction to Durability and Permeability

Practice: Types of Sulphate Attack

Lesson 3.3Introduction to Durability and Permeability

Practise this section

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

6 sample questions

Question 1.
What is an external sulphate attack?
Show hintHide hint
Think of the environment around the concrete.
Question 2.
Name one source of internal sulphate attack.
Show hintHide hint
Recall materials that might contain sulphate.
3Question 3.
What is the primary cause of external sulphate attack?
- Sulphate ions from internal sources
- Seawater and soil
- High water-cement ratio
Show hintHide hint
Think about where sulphate ions might come from related to the environment.
4Question 4.
Internal sulphate attack arises from which source?
- True
- False
Show hintHide hint
Is it coming from outside sources or inside?
Question 5.
Analyze a construction project where concrete will be placed near a sulphate-rich soil area. List at least five design considerations to prevent sulphate attacks.
Show hintHide hint
Think about each phase of the project design and what materials can effectively resist sulphate.
Question 6.
Evaluate the effects of internal sulphate attack occurring in an existing structure. What steps should be taken to assess and remediate the damage?
Show hintHide hint
Consider what assessment methods and remedial actions might apply in cases of structural damage.

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