Minimum Depth of Beams in Centimeters IS : 456 – 1964 Clause 6.5


Support Condition
Span, Meters
2.5
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
1.
Simply supported beams
12.5
15.0
20.0
25.0
30.0
35.0
40.0
15.0
50.0
55.0
60.0
65.0
2.
Continuous beams
16.0
12.0
16.0
20.0
24.0
28.0
32.0
36.0
40.0
44.0
48.0
52.0
3.
Cantilever beams
25.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
110.0
120.0
130.0


Note : Intermediate values may be interpolated linearly