|
DESIGN OF COMBINE FOOTING |
|
|
|
|
|
|
|
DESIGN RESULT |
| DESIGN OF COMBINE FOOTING Width of Combine Footing in M (a1): 2.0 C/C of Columns in M (b1): 3.0 Footing Offset " b2 " in M: 0.3 Footing Offset " b3 " in M: 1.21 Uniform Thickness of Combine Ftg in M: 0.65 Length of Column MKD C1 in M (d1): 0.3 Length of Column MKD C2 in M (e1): 0.3 Width of Column MKD C2 in M (e2): 0.3 Width of Column MKD C2 in M (e2): 0.3 Axial Load of Column C1 in Tons (v1): 65 Axial Load of Column C2 in Tons (v2): 80 Depth of Footing Below GL in M: 1 SBC at Footing depth in T/M2: 20 Concrete Grade: M20 Steel Strength (fy) [N/MM2]: 415 ------------------------------------------------------------------ Area of Footing in M2 = 10.2 Total Load on Foundation in Tons = 162.71 Foundation Eccentricity in M = 0 Maximum Soil Pressure in T/M2 = 15.95 Minimum Soil Pressure in T/M2 = 15.95 Gross SBC in T/M2 = 21.8 Max. Longitudinal Cantilever BM in T-M = 7.69 Max. Longitudinal Cantilever SF in Tons = 6.3 Max. Transverse Cantilever BM in T-M = 4.95 Max. Transverse Cantilever SF in Tons = 3.42 Max. Span BM in T-M = 7.68 Max. Span SF in Tons = 10.27 Max. Punching Shear (2 Way) Stress in Kg/CM2 = 3.19 Permissible Punching Shear Stress in Kg/CM2 = 7.16 ------------------------------------------------------------------ Longitudinal Moment capacity for Btm Steel in T-M = 76.12 Longitudinal Reinforcement at Bottom in CM2/M = 7.8 Factored Applied Shear Stress in Kg/CM2 = 1.58 Max. Permissible Shear Stress in Footing = 29.8 Longitudinal Capacity of Footing in Shear in Tons = 10.87 Longitudinal Moment capacity for Top Steel in T-M = 76.12 Longitudinal Reinforcement at Top in CM2/M = 7.8 Factored Applied Shear Stress in Kg/CM2 = 2.57 Longitudinal Capacity of Footing in Span Shear in Tons = 10.87 Transverse Moment capacity for Btm Steel in T-M = 76.12 Transverse Reinforcement at Btm in CM2/M = 7.8 Factored Applied Shear Stress in Kg/CM2 = 0.86 Transverse Capacity of Footing in Shear in Tons = 10.87 Transverse Reinforcement at Top in CM2/M = 7.8 Total Concrete Quantity Consumed by Combine Footing in M3 = 6.63 Total Reinforcement Quantity Consumed by Combine Footing in Kg = 262.54 Clear Cover to Reinforcement is taken as 40 MM, Load Factor = 1.5 |
|
|
