Question

A reinforced concrete rectangular slab is built-in (fixed) on three edges and the other edge is free. The possible yield line patterns for the slab subjected to a uniformly distributed load and reinforced isotropically are shown below as 1, 2, 3and 4.



Which of these correctly exhibits the yield line
pattern?

• A. 1 or 3
• B. 2 or 3
• C. 1 or 2
• D. 3 or 4

Answer 1

The correct option is C 1 or 2

(c)
1 or 2 $\to$ For slab simply supported or fixed on three edges and tree at one edge.
3 $\to$ for slab simply supported or fixed on all edges