For a slab continuous over support and designed as simply supported slab, which of the following statement(s) is/are correct? i. Reinforcement shall be provided over the support to control cracking ii. Reinforcement shall have a cross sectional area of not less than one quarter that required in the middle of the adjoining spans iii. Reinforcement shall extend at least one-tenth of the clear span into adjoining spans
- AOnly (i)
- B(i) and (ii)
- C(ii) and (iii)
- D(i), (ii) and (iii)Correct
Solution
Concept
Cracking control over supports
Step-by-step solution
1. Nominal top steel is needed over supports to control cracking. 2. The key accepts the area and extension conditions as stated.
Explanation
All three statements are accepted in the key.
Why the other options are wrong
Other options omit a statement accepted by the key.
Correct answer: D) (i), (ii) and (iii)