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Calculation No.
CALCULATION SHEET
Project No.
onlinestructuraldesign.com
Project Title:
Calc. By
Date
Rev.
Subject/Feature:
Ckd. By
Date
Input
Output
Number of reinforcement bars
Total reinforcement area
Bar size
no. of rebars
Required reinforcement area
Required reinforcement area:
mm
2
Cross sectional area of number of bars (mm
2
)
BAR SIZE
(mm)
Number of bars
1
2
3
4
5
6
7
8
9
6
8
10
12
14
16
18
20
22
25
28
32
36
40
Cross sectional area of bars per metre (mm
2/
m)
Area(mm
2
)
BAR SIZE
(mm)
Bar spacing (mm)
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
425
450
475
500
6
8
10
12
14
16
18
20
22
25
28
32
36
40
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