Practice Case Study 1: Bridge Deck Corrosion Due To Chloride Attack (7.1) - Durability of Concrete

Practice: Case Study 1: Bridge Deck Corrosion due to Chloride Attack

Lesson 7.1Durability of Concrete

Practise this section

9 questions

Flashcard drill
3 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 contributes to chloride attack in concrete?
Show hintHide hint
Think about where chlorides come from.
Question 2.
What does the water-cement ratio affect?
Show hintHide hint
Recall the mixing ratio.
3Question 3.
What is the main cause of corrosion in the case study?
- High humidity
- Corrosion-resistant materials
- Chloride ingress
- Low temperatures
Show hintHide hint
Think about the environment where the bridge is located.
4Question 4.
True or False: A low water-cement ratio increases the permeability of concrete.
- True
- False
Show hintHide hint
Remember which ratio favors strength.
Question 5.
Design a bridge deck with optimal waterproofing and concrete cover to prevent chloride attack. Detail the materials and methods you would use.
Show hintHide hint
Consider the environment and materials that enhance durability.
Question 6.
Evaluate the economic impact of repairing a corroded bridge due to inadequate design. Consider both short-term costs and long-term implications.
Show hintHide hint
Break down the costs into immediate and future expenses.

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