![A reinforced-concrete slab with effective depth of 80 mm is simply supported at two opposite ends](https://www.gkseries.com/blog/wp-content/uploads/2023/09/A-reinforced-concrete-slab-with-effective-depth-of-80-mm-is-simply-supported-at-two-opposite-ends-.jpg)
Q. A reinforced-concrete slab with effective depth of 80 mm is simply supported at two opposite ends on 230 mm thick masonry walls. The centre-to-centre distance between the walls is 3.3 m. As per IS 456 : 2000, the effective span of the slab (in m, up to two decimal places) is
Ans: 3.15
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2023/09/image-72.png)