# Civil Engineering - RCC Structures Design - Discussion

Discussion Forum : RCC Structures Design - Section 2 (Q.No. 35)

35.

The maximum ratio of span to depth of a cantilever slab, is

Discussion:

18 comments Page 1 of 2.
Mahesh katkar said:
10 years ago

L/d ratio.

Simply supported = 20.

Continuous slab = 26.

Cantilever slab = 7.

Simply supported = 20.

Continuous slab = 26.

Cantilever slab = 7.

Yovi said:
9 years ago

Why its is 12?

Ram said:
9 years ago

Its the case of span more than 10 m.

Venkat Ramana said:
9 years ago

For span more than 10 m it has to be less than 7.

Adnan said:
8 years ago

For One way Slab.

The maximum ratio of span to a depth of a cantilevered slab is 12.

The maximum ratio of span to a depth of a simply supported slab is 30.

The maximum ratio of span to a depth of a continuous slab is 35.

The maximum ratio of span to a depth of a cantilevered slab is 12.

The maximum ratio of span to a depth of a simply supported slab is 30.

The maximum ratio of span to a depth of a continuous slab is 35.

Roy said:
7 years ago

Type of slab --------> Ratio of span to depth*

Simply supported and spanning in one direction --------> 30.

Continuous and spanning in one direction --------> 35.

Simply supported and spanning in two directions --------> 35.

Continuous and spanning in two directions --------> 40.

Cantilever slabs --------> 12.

Simply supported and spanning in one direction --------> 30.

Continuous and spanning in one direction --------> 35.

Simply supported and spanning in two directions --------> 35.

Continuous and spanning in two directions --------> 40.

Cantilever slabs --------> 12.

Abhishek said:
6 years ago

As par IS 456 cl 24.1.

For One way slab L/d ratio is as same as for beam.

For 2 way slab.

35 for simply supported slab.

40 for the continuous slab.

For One way slab L/d ratio is as same as for beam.

For 2 way slab.

35 for simply supported slab.

40 for the continuous slab.

Kirti said:
6 years ago

So when will be the values of the span to depth ratio for cantilever simply supported and continuous slab will be taken as 7, 20&26 respectively.

Sanju said:
6 years ago

@Kirti.

These values are not for slab. They are for beams.

These values are not for slab. They are for beams.

Roshan said:
5 years ago

@Sanju.

It's for slab.

It's for slab.

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