Practice Structural Detailing (8.2) - Durability of Concrete - Civil Engineering Materials, Testing & Evaluation - Vol 1

Practice: Structural Detailing

Lesson 8.2Durability of Concrete

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 the minimum concrete cover for mild exposure according to IS 456?
Show hintHide hint
Think about how environmental conditions affect material.
Question 2.
Why do we use spacers in concrete?
Show hintHide hint
Consider what keeps the rebar in place.
3Question 3.
What is the minimum required concrete cover for severe exposure according to IS 456?
- 30 mm
- 50 mm
- 20 mm
Show hintHide hint
Think about how exposure levels influence cover requirements.
4Question 4.
True or False: Adequate rebar alignment can significantly affect structural integrity.
- True
- False
Show hintHide hint
Consider how misalignment might affect the structure.
Question 5.
A contractor is building a bridge in a coastal area. Given the high risk for corrosion, what concrete cover specifications should he follow, and what precautions should he take during construction?
Show hintHide hint
Consider environmental exposure effects on corrosion.
Question 6.
Analyze the following case: A structure built without proper rebar alignment failed after a storm. Identify potential reasons for the misalignment and suggest preventive measures.
Show hintHide hint
Think about the construction methods that ensure proper alignment.

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