Bar Areas
# Inch2 mm2
3 0.11 704 0.20 1305 0.31 2006 0.44 2807 0.60 3908 0.79 510
Spacing, Area in Slabs
1000)(
)1()( requiredAbarAmmSpacing
s
s
1000)(
) 1()( mmSpacing
barAProvidedA ss
Spacing, Area in Slabs
12)(
)1()( requiredAbarAinSpacing
s
s
12)(
) 1()( inSpacing
barAProvidedA ss
L1/8L2/8
BOTTOM BARS
TOP BARS (main)
Li/3
TOP BARS (+Supporting)
Li/3
Nominal Dia @ 18”C/C
Normally not shown in Plan
BENT UP BARS
L2/7
L2/3L1/3
L1/4
BENT UP BARS
1/7
1/4
1/3
1/3
1/41/3
1/7
Loose bar Spacing
RightfrommmLeftfrommmmmrequiredAs
350@3# 250@4#
1000)( 2
2mm 720 350
100070250
1000130)(
ProvidedAs
(#4bars)
450mmmm 644 280
1000130
Spacing
Rounded to nearest 25 mm
CORNER REINFORCEMENT
1/5lb
1/5lb
4 layers2-TOP LAYERS
2-BOTTOM LAYERS
CORNER REINFORCEMENT
2 layers