design rcc
TRANSCRIPT
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span L1
D= 250 mm b= 1000 mmL1 7.64 m d'= 25.00 m
L2 6.60 m d= 225 mm
col size 0.345 m Ln 7.30kN/m2
w(unit load 12.20kN/m2 !ck 25N/mm2
535."3 #N$m !% 500N/mm2
&o1.5= 03.)) #N$m *+=&+ 3.2 m
*,L-&N + &DDL +
*,L-&N + &DDL +
0."50.75 0.350."0 0."50.25 0.350.)0($e (4e ($e (4e
118.69 51.13 39.56 34.09
2.3) 1.01 0.7 0."7
0."1 0.2) 0.1 0.1"
133.)0 5).) )20.12 35.5
12 10 12 10
12.00 7.00 ).00 5.00
3.33 1)2." 250.00 200.00
75.00 125.00 6educe dia 6educe dia
100 200 200 200
1131 33 5"5 33
0.50 0.17 0.25 0.17
check check ok ok
8 8 8 8
200 200 200 200
251 251 251 251
1382 644 565 393
&o=wL2Ln2/
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flat slab
input ata
in this colu! span L2
D= 250 mm b=L1 "."0 m d'=
L2 7.") m d=
col size 0.35 m Ln
w(unit load 12.20kN/m2 !ck
)55.5 #N$m !%
&o1.5= "3.77 #N$m *+=&+
*,L-&N + &DDL
*,L-&N + &DDL
0."50.75 0.350."0 0."50.25($e (4e ($e
moment 87.26 37.59 29.09
"u/b2 1.72 0.7) 0.57
pt 0.)3 0.1 0.1)
#st 7".2 3.35 305.")
$ia 12 10 12
ba! 5 3
spacin% 115.7 17.1" 370.0)
spa&!e'ui!e 100.00 6educe dia 6educe dia
spacin%&( 100 200 200
#st&()*+ 1131 33 5"5
pt&()*+ 0.50 0.17 0.25
ok check ok
,-t!a #st &(!o.
$ia 12 8 12
spacin%&( 150 200 150
#st&()*+ 75) 251 75)
otal #st&p!o 1131 644 565
&o=wL2Ln2/
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1000 mm35 mm
215 mm
".2"kN/m2
25N/mm2
500N/mm2
3.30 m
+
+
0.350.)0(4e
25.06
0.50
0.12
2"2.2
10
3
2.)5
6educe dia
200
33
0.17
ok
8
200
251
393
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10
12
16
8 8 20
10
12
16
20
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D= 200 mm b= 1000 mm
d'= 25 mm d= 175 mm
!ck 25N/mm2 !% 500N/mm2
o +teel 8ottom +teel1
64.44 52.55
*,L +L98 *,L +L98
($e1.5 ($e0.5 (4e1.2 (4e0.
moment 96.66 32.22 63.06 42.04
"u/b2 3.1" 1.05 2.0" 1.37
pt 0.1 0.255 0.530 0.33
#st 1542.21 446.22 927.00 592.67
$ia 12 10 14 12 12
spa 100 200 150 100 200
#st&( 1131 33 10)7 1131 5"5
pt &p 0.")" 0.22) 0.5 0.")" 0.323
column slab
pt 0.530 0.339
fs 237.697127 303.94017
MF 1.25 0 1.1 0
1.25 0.530 1.1 0.339
0 0.530 0 0.339span 5687.5 5005
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Punching shear / two
Square column
Size of th panel Size of col./ dropwidth length width
5.59 m 7.19 m 5! mm
Shear area "9.# m$
%otal factored slab load 1&.5! '(/m$
%otal shear force &57 '(
Shear stress 1."" (/mm$
)hec* %hic*ness is +.'.
)ircular column
Size of th panel
width length5.5" m 7.19 m ,iameter
Shear area "9.71 m$
%otal factored slab load 1&.5! '(/m$
%otal shear force &5" '(
Shear stress 1.97 (/mm$
)hec*
Size of col./ dro
he
)hange the thic*ness of slab orshear reinforceme
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ay shear in flat slab
panel ,epth of slab / dropength
5! mm $5! mm
c* "! (/mm$
Perimeter $$! mm
,epth of slab / drop
5! mm $!! mm
c* $! (/mm$
Perimeter 19# mm
0nter the -alues in the cellswhich has green fonts
panel/colunm
d
0nter the -alues in the cellswhich has green fontsdrop or pro-ide
ts
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15
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25
30
35
40
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Width (b) 1!!! mm Total Depth (D)
Cover (d') 25 mm d-effective (d)
Moment(m) 7.1 K-m Factor
M - !lt (M!) 7.1
Concrete "rade (fc#) 2$ %teel "rade (f&)
t re!ired (t) !.$"! M!bd2
*st re!ired (*st) $19 $+,
Dia of bar . o+ %pacin"
/ 2$$
*st provided $!1 $51
fs $&$ $!9
Modification factor 0+/5 0+0
%pan (l) $755 $!9!
b
D d
Ast
mm2
mm2
c
c
c
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1$! mm
95 mm
0
K-m
15 mm2
0nter -alues inthis colour
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8 15
10 20
12 25
16 30
20 35
25 40
32 45