Project Title:
Designer:
Footing No.:
Dir-Along (B)
Input Data K1 0.73
Concrete Strength Fcu (kg/cm2) 250 K2 1636
Bearing Capacity qs (kg/cm2) 1.5 As (cm2) 15.34
Intensity Of Soil g (t/m3) 0 Asmin (cm2) 20.21
Foundation Depth Df (m) 0 Asreq (cm )2
20.22
Thickness Of Footing t1 (cm) 60
R.C Cover CR.C (cm) 5 Checks
Column Data Punching Check
Column Breadth b (cm) 30 Column Load P (ton) 100.03
Column Thickness a (cm) 90 Soil Force (ton) 27.20
Column Load P (ton) 100.03 Perimeter of Punching bo (cm) 460.00
Depth of Section d (cm) 55.00
Other Variables Punching Stress qpq(kg/cm
Conc. P. Strength
2
(kg/cm ) 2) 2.88
cp
P.C Side Distance X (~30) (cm) 30 7.50
P.C Thickness t (cm) 40 Check Safe
Increasing Load Factor (1.1~1.15) 1.1
Round Dim. To (5cm~10cm…) 5 Shear Check
Shear Force Q (ton) 17.10
Calculations Section Depth d (cm) 55.00
Shear Stress qsh (kg/cm2) 3.11
Plain Concrete Length A (m) 3.05 Conc. S. Strength qsc(kg/cm2) 7.00
Plain Concrete Width B (m) 2.45 Check Safe
P.C Thickness t (m) 0.40
R.C Length A1 (m) 2.45
R.C Width B1 (m) 1.85
R.C Thickness t1 (m) 0.60
Analysis
Uniform Load Wn (t/m2) 22.07
M1 (m.t) 10.422
M2 (m.t) 13.802
Design
Dir-Along (A)
K1 0.73
K2 1636
As (cm2) 11.58 Reinforcement No. Diam.
Asmin (cm2) 15.26 Rft of Longitudinal Dir. 5 16
Asreq (cm2) 15.27 Rft of Transversal Dir. 8 12
Project Title:
Designer:
Footing No.:
Input Data Calculations
Concrete Strength Fcu (kg/cm2) 250 Resultant Force R (ton) 176.67
Bearing Capacity qs (kg/cm2) 1.5 S2 (m) 1.183
Distance Bet. Columns Sl (m) 1.9 S1 (m) 0.717
Distance Bet. Columns St (m) 0 Plain Concrete Length A (m) 3.15
intensity of soil g (t/m3) 0 Plain Concrete Width B (m) 4.15
Foundation Depth Df (m) 0 P.C Thickness t (m) 0.30
Thickness Of Footing t (cm) 60
R.C Cover CR.C (cm) 5 R.C Length A1 (m) 2.75
R.C Width B1 (m) 3.75
Column 1 R.C Thickness t1 (m) 0.60
Column Breadth b1 (cm) 50
Column Thickness a1 (cm) 30 Analysis
Column Load P1 (ton) 110
Longitudinal Dir.
Column 2 Uniform Load Wn (t/m') 64.24
Column Breadth b2 (cm) 30 Other Dist. C' (m) 0.05
Column Thickness a2 (cm) 30 Sh1 (ton) -58.61
Column Load P2 (ton) 66.67 Sh2 (ton) 44.18
Dist of (0 sh.) From
0.91
col. (1) Face (m)
Other variables Mmax at (0 sh.) (m.t) 22.67
R.C Side Distance C (50~100) (cm) 50 M1 (m.t) 8.03
P.C Side Distance X (~30) (cm) 20 M2 (m.t) 0.08
P.C Thichness t(cm) 30
Increasing Load Factor (1.1~1.15) 1.1 Transversal Dir.
Round Dim. To (5cm~10cm…) 5 Uniform Load Wn1 (t/m') 29.33
Uniform Load Wn2 (t/m') 17.78
Cantilever Length L1 (cm) 1.63
Cantilever Length L2 (cm) 1.73
M1 (m.t) 38.73
M2 (m.t) 26.45
Width of H.B1 (m) 0.85
Design Checks
Longitudinal Dir. Punching Check
K1 0.707 Column1
K2 1636 Column Load P1 (ton) 110.00
As top (cm2) 25.20 Perimeter of Punching bo (cm) 380.00
As Bott. (cm2) 8.92 Depth of Section d (cm) 55.00
Asmin top (cm2) 32.76 Punching Stress qp (kg/cm2) 5.26
Asmin Bott. (cm2) 30.94 Concrete Punching Strength qcp (kg/cm2) 9.90
Asreq top (cm2) 32.76 Check Safe
Asreq Bott. (cm2) 30.94
Column2
Transversal Dir. Column Load P2 (ton) 66.67
Design of H.B1 Perimeter of Punching bo (cm) 340.00
K1 0.258 Depth of Section d (cm) 55.00
K2 1552 Punching Stress qp (kg/cm2) 3.57
As1 (cm2) 45.36 Concrete Punching Strength qcp (kg/cm2) 13.50
Asmin (cm2) 14.28 Check Safe
Asreq (cm2) 45.37 Shear Check
Design of H.B2 Column Load P (ton) 110.00
K1 0.312 Section Breadth b (cm) 375.00
K2 1588 Section Depth d (cm) 55.00
As2 (cm2) 30.29 Shear Stress qsh (kg/cm2) 1.98
Asmin (cm2) 14.28 Concrete Shear Strength qsc (kg/cm2) 7.00
Asreq (cm2) 30.30 Check Safe
Reinforcement No. Diam.
Rft of Longitudinal Dir.
Top Rft. 5 16
Bott. Rft 5 20
Rft of Transversal Dir.
Under Column 1 17 20
Under Column 2 12 20
Width of H.B2 (m) 0.85
Project Title:
Designer:
Footing No.:
Input Data
Concrete Strength Fcu (kg/cm2) 180 Analysis
Steel Strength Fs (kg/cm2) 3600 Eccentericity e\ (m) 0.13
Bearing Capacity qs (kg/cm2) 1 Ex. Column Reaction Re (t)
\ 5.30
Distance Bet. Columns S (m) 2.2 Uniform Load We (t/m2) 14.83
intensity of soil g (t/m3) 0 Int. Column Reaction Ri\ (t) 15.00
Foundation Depth Df (m) 0 Uniform Load Wi (t/m2) 6.24
Thickness Of Footing te1 (cm) 60 Ext.Moment Me (m.t/m) 0.03
Thickness Of Footing ti1 (cm) 60 Int.Moment Mi (m.t/m) 1.60
R.C Cover CR.C (cm) 5
Width of Strap Beam bs (cm) 40 Strap Beam
Thickness of Strap Beam ts (cm) 100 X01 (m) 0.61
Me1 (m.t) Top 0.53
External Column Me2 (m.t) Bottom 1.60
Column Breadth be (cm) 40 Shi1 (t) 5.56
Column Thickness ae // S.B (cm) 40 Shi2 (t) 5.56
Column Load Pe (ton) 5 She1 (t) 1.74
She2 (t) 0.30
Internal Column
Column Breadth bi (cm) 40 Design
Column Thickness ai // S.B (cm) 40
Column Load Pi (ton) 15 External Footing
Strap Beam Dir.
Other variables K1 8.52
P.C Side Distance X (~10) (cm) 10 K2 1636
P.C thichness tp.c (cm) 10 As (cm2) 0.03
Increasing Load Factor (1.1~1.15) 1.1 Asmin (cm2) 5.36
Round Dim. To (5cm~10cm…) 5 Asreq (cm ) 2
5.37
Rft No. 5
Calculations Rft Diam. 16
External Footing Transversal Dir.
0.75 Asmin (cm )
2
Plain Concrete Length Ae (m) 4.54
0.18 Asreq (cm )
2
e (m) 4.54
Re (m) 5.43 Rft No. 5
Plain Concrete Width Be (m) 0.75 Rft Diam. 16
P.C Thickness te (m) 0.10
Internal Footing
R.C Length Ae1 (m) 0.65 Strap Beam Dir.
R.C Width Be1 (m) 0.55 K1 1.71
R.C Thickness te1 (m) 0.60 K2 1636
As (cm2) 1.78
Internal Footing Asmin (cm2) 12.79
Plain Concrete Length Ai (m) 1.75 Asreq (cm2) 12.79
Plain Concrete Width Bi (m) 1.75 Rft No. 5
P.C Thickness ti (m) 0.10 Rft Diam. 16
1.75
R.C Length Ai1 (m) 1.55 Transversal Dir.
1.55 Asmin (cm )
2
R.C Width Bi1 (m) 12.79
0.60 Asreq (cm )
2
R.C Thickness ti1 (m) 12.79
Rft No. 5
Rft Diam. 16
Strap Beam
Top Reinforcement
Required Depth d (cm) 20
K1 2.60
K2 1636
As (cm2) 1.03
Asmin (cm2) 5.70
Asreq (cm ) 2
5.70
Rft No. 3
Rft Diam. 18
Top Reinforcement
K1 1.50
K2 1636
As (cm2) 1.03
Asmin (cm2) 5.70
Asreq (cm2) 5.70
Rft No. 3
Rft Diam. 16
Checks
Shear of strap beam
Shear Force F (ton) 5.56
Section Breadth b (cm) 40.00
Section Depth d (cm) 95.00
Shear Stress qsh (kg/cm2) 1.46
Concrete Shear Strength qsc (kg/cm
7.00
Check Safe
No. of Branches 4
Rft No. -1
Rft Diam. 8
Shear of int. footing
Shear Force F (ton) 2.90
Section Breadth b (cm) 155.00
Section Depth d (cm) 55.00
Shear Stress qsh (kg/cm2) 0.34
Concrete Shear Strength qsc (kg/cm
7.00
Check Safe
