(RC designer Manual – The Concrete
Association of India)
Capacity
in 1000 Litres
|
Inside
diameter in meter
|
Depth
of water in ‘m’
|
Thickness
of wall in cm.
|
Reinforcement
|
|
||||
Wall
|
Floor
|
||||||||
Horizontal
steel at bottom, half depth
|
Vertical
steel
|
Bars each
way
|
|||||||
Bar dia.
mm.
|
Spacing
cm.
|
Bar dia.
mm.
|
Spacing
cm.
|
Bar dia.
mm
|
Spacing
cm.
|
||||
2
|
1.5x1.5
|
1.00
|
10.0
|
6
|
15
|
6
|
15
|
6
|
20
|
3
|
1.8x1.8
|
1.25
|
10.0
|
6
|
15
|
6
|
15
|
6
|
20
|
5
|
2.0x2.0
|
1.40
|
10.0
|
6
|
15
|
6
|
15
|
6
|
20
|
7
|
2.3x2.3
|
1.50
|
11.5
|
10
|
22
|
10
|
22
|
6
|
20
|
9
|
2.5x2.5
|
1.60
|
11.5
|
10
|
20
|
10
|
20
|
6
|
20
|
14
|
2.8x2.8
|
2.00
|
13.0
|
10
|
16
|
10
|
16
|
6
|
20
|
23
|
3.5x3.5
|
2.10
|
15.0
|
10
|
16
|
10
|
16
|
6
|
14
|
34
|
4.0x4.0
|
2.30
|
16.0
|
10
|
15
|
12
|
15
|
6
|
12
|
45
|
4.2x4.2
|
2.70
|
18.0
|
12
|
20
|
12
|
20
|
6
|
10
|
90
|
6.00
|
3.25
|
18
|
12
|
12
|
12
|
12
|
1
|
10
|