eccentric footing xl
DESCRIPTION
12TRANSCRIPT
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m 25
Fe 500
150 kN/m2
1.5 x 1.2 m
350 mm d
0.6 X 0.4 m
2 m Angle of dispersion
18 KN/m3
70 kN
0 kNm
weight due to soil above footing 56.16 kNincluding wedge
0.6 m
0.2 m
0.378 m
0.222 m
Moment due to eccentricity 15.54 kNm
126.16 m
15.54 kNm
Eccentricity from C.G of footing
Total Load P
Total moment M
Axial load from the column
Moment from the column
C.G of footing from top
C.G of column from top
C.G of the load from top
S.B.C of the Soil
size of the footing (assumed)
Thickness of Footing
Dimentions of column
Depth of the footing
Density of Soil
Eccentric Footing(Give Input only in Yellow Box)
Grade of Concrete
Grade of Steel
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70.0889 kN/m2
43.1551 kN/m2
Check
113.244 kN/m2 Safe
26.9338 kN/m2 Safe
34.40 kNm
268.524 mm2
Ast Min 420 mm2
Provide 12 at 175 mm centres
Ast Provided 646 mm2
59.3
V 19.4 kN
Vu 29.10 kN
TV 0.08315 Check
SafeTC 0.31919
212.97 kN
Stress 0.28975 Check
SafeTc' 1.25
Shear force at the distance D from the
column face
Two Way Shear
Punching shear
P/A + M/Z
P/A - M/Z
Moment Mu
Ast Required
Check for Shear
One Way Shear
P/A
M/Z
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Total overturning Moment 15.54 kNm
due to Soil Above Footing 33.70 kNm
due to Self weight of Footing 9.45 kNm
Total Moment 43.1 kNm Check
2.5 Safe
Check for Over Turning
Resisting Moment
Factor of Safety
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0.200
0.378
300 m
30o
1.2 m
kN/m2
26.934
59.3
One Way Shear
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0.45 m
175 mm
Two Way Shear
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0.6
350 mm
kN/m2
113.244 kN/m2
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0.75 m
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M 25
Fe 500
150 kN/m2
1.5 x 2 m
350 mm deff
0.6 X 0.4 m
2.5 m
18 KN/m3
70 kN
50 kNm
Gap between column face and Found 200 mm
Self weight of foundation 26.25 kN
Weight of soil above Foundation (Rec) 106.812 kN
Total load on foundation except Axial Load 133.062 kN
1 m
0.4 m
0.793 m
0.207 m
Moment due to eccentricity 42.00 kNm
C.G of footing from top
C.G of column from top
C.G of the load from top
Eccentricity from C.G of footing
Depth of the footing
Density of Soil
Axial load from the column
Moment from the column
S.B.C of the Soil
size of the footing (assumed)
Thickness of Footing
Dimentions of column
Eccentric Footing(Give Input only in Yellow Box)
Grade of Concrete
Grade of Steel
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203.062 m
92.00 kNm
Ecentricity 0.453063596 M > 0.333333
165.0096376 kN/m2
Revise
1.640809211 m
Length Top Reinforcement Required
0 kN/m2
other end
74.04133333 kN/m2
Ast Required 590.9301157 KN-m
Ast Min 420 mm2
Dia of Bar 12
191.3886812 mm
Critical Section
110 mm
1028.16 mm2
load Coming on Footing Due to Soil & Foundation 47.45 Kn/m
Shear at critical face -0.186271 kN
ζv -0.000931 N/mm2
pt 0.343
β 8.47
Spacing of Bar Provided
Ast Provided
Check for Shear
Maximum Pressure
Footing Contact
Intensity at
Moment Mu
Spacing of Bar Required
Total Load P
Total moment M
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ζc 0.41769 N/mm2
Safe in Shear
Wu 101.531
Stress Vu 254.335 kN
ζv 0.423892 N/mm2
β 2
Ks 1
ζc 1.25 N/mm2
Safe in Shear
Total overturning Moment 92.00 kNm
133.06 kNm
1.3 Revise
Check for Over Turning
Resisting Moment
due to Soil Above Footing and foundation weight
Factor of Safety
Two Way Shear
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0.4
1
2
0.206833
300 m
o 1.5
One Way Shear
CG of whole System
CG of Dead Load
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300 300
Critical Section 300
For Oneway
Shear 94.61343
2
1.3
47.45
Kn/m
0
150 150 0.55
1.5
175.82
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150
0.9 2
1.5
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