Kattumaanap Poriyaalar october 2013 | Page 30
STAIRCASE READY RECKONER (AS PER CLAUSE 22.5.2 OF IS456-2000)
M20 - CONCRETE GRADE
Span
Waist
(m)
thickness D
(
Fe415 - STEEL
IL = 3.00 KN/m2
IL = 5.00 KN/m2
W = 12 KN/m
MAIN REBARS
)
W = 10 KN/m
DISTRIBUTORS
MAIN REBARS
DISTRIBUTORS
2.40
115
8mm @ 200mm c/c
8mm @ 250mm c/c
8mm @ 180mm c/c
8mm @ 250mm c/c
3.00
125
8mm @ 150mm c/c
8mm @ 250mm c/c
8mm @ 125mm c/c
8mm @ 250mm c/c
3.50
125
8mm @ 100mm c/c
8mm @ 250mm c/c
10mm @ 125mm c/c
8mm @ 250mm c/c
4.00
135
10mm @ 125mm c/c
8mm @ 250mm c/c
12mm @ 150mm c/c
8mm @ 250mm c/c
4.50
150
12mm @ 180mm c/c
8mm @ 250mm c/c
12mm @ 150mm c/c
8mm @ 250mm c/c
5.00
175
12mm @ 180mm c/c
8mm @ 250mm c/c
12mm @ 150mm c/c
8mm @ 250mm c/c
5.50
175
12mm @ 150mm c/c
8mm @ 250mm c/c
12mm @ 125mm c/c
8mm @ 250mm c/c
6.00
200
12mm @ 125mm c/c
8mm @ 230mm c/c
12mm @ 100mm c/c
8mm @ 230mm c/c
6.50
200
12mm @ 100mm c/c
8mm @ 230mm c/c
12mm @ 100mm c/c
8mm @ 230mm c/c
7.00
230
12mm @ 100mm c/c
8mm @ 200mm c/c
12mm @ 100mm c/c
8mm @ 200mm c/c
M20- CONCRETE GRADE
Fe500 - STEEL
MAIN REBARS
DISTRIBUTORS
MAIN REBARS
DISTRIBUTORS
2.40
115
8mm @ 250mm c/c
8mm @ 250mm c/c
8mm @ 200mm c/c
8mm @ 250mm c/c
3.00
125
8mm @ 180mm c/c
8mm @ 250mm c/c
8mm @ 150mm c/c
8mm @ 250mm c/c
3.50
125
8mm @ 125mm c/c
8mm @ 250mm c/c
8mm @ 100mm c/c
8mm @ 250mm c/c
4.00
135
8mm @ 100mm c/c
8mm @ 250mm c/c
10mm @ 125mm c/c
8mm @ 250mm c/c
4.50
150
12mm @ 200mm c/c
8mm @ 250mm c/c
12mm @ 180mm c/c
8mm @ 250mm c/c
5.00
175
12mm @ 200mm c/c
8mm @ 250mm c/c
12mm @ 125mm c/c
8mm @ 250mm c/c
5.50
175
12mm @ 150mm c/c
8mm @ 250mm c/c
12mm @ 125mm c/c
8mm @ 250mm c/c
6.00
200
12mm @ 150mm c/c
8mm @ 230mm c/c
12mm @ 125mm c/c
8mm @ 230mm c/c
6.50
200
12mm @ 125mm c/c
8mm @ 230mm c/c
12mm @ 100mm c/c
8mm @ 230mm c/c
7.00
230
12mm @ 150mm c/c
8mm @ 200mm c/c
12mm @ 100mm c/c
8mm @ 200mm c/c
fl;Lkhdg; nghwpahsh;
32
mf;Nlhgh; 2013
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