Isolated Square Footing Design Sheet

Limit State Mechanical Validation Engine — IS 456:2000 Standards

Design Settings

Advertisement

Drop Google AdSense / Banner Code scripts inside this block wrapper

Live Structural Calculation Report

Step 1: Footing Plan Geometry

Working Load from Column (P) P_u / 1.5 0.00 kN
Total Base Load (Incl. 10% Overburden) P × 1.10 0.00 kN
Minimum Required Area P_total / SBC 0.00 m²
Calculated Square Side Width √Area 0.00 m
Rounded Side Provided (Bf) Manual Round Up 0.00 m

Step 2: Ultimate Soil Pressure

Net Factored Upward Pressure (qu) P_u / (B_f × B_f) 0.00 kN/m²

Step 3: Flexural Bending & Balanced Depth Check

Critical Section Cantilever Projection (B_f - D_col) / 2 0.00 m
Ultimate Bending Moment (Mu) q_u × B_f × proj² / 2 0.00 kNm
Required Min Balanced Depth (dbal) √(M_u / (R_lim × B_f)) 0.00 mm
Effective Structural Depth Provided (d) D_f - CC - dia/2 0.00 mm

Step 4: One-Way Shear Analysis (Beam Shear)

Critical Shear Zone Distance projection - d 0.00 m
Factored One-Way Shear Force (Vu1) q_u × B_f × L_shear 0.00 kN
Nominal Shear Stress (τv) V_u1 / (B_f × d) 0.00 N/mm²
Permissible Concrete Capacity (τc baseline) IS Table 19 approx 0.32 N/mm²

Step 5: Two-Way Shear Analysis (Punching)

Critical Perimeter Dimensions (B+d) × (D+d) 0mm x 0mm
Punching Shear Perimeter (b0) 2 × (b1 + d1) 0 mm
Factored Punching Shear (Vu2) P_u - [q_u × Area_critical] 0.00 kN
Punching Shear Stress (τv2) V_u2 / (b_0 × d) 0.00 N/mm²
Permissible Punching Stress (τc2) 0.25 × √f_ck 0.00 N/mm²

Step 6: Tension Reinforcement Output

Calculated Steel Area Required (Ast) IS 456 Yield Formula 0 mm²
Total Number of Bars Required A_st / Area_bar 0
Calculated Symmetrical Mesh Spacing (B_f - 2×CC) / (Bars-1) 0 mm

Final Footing Design Summary

Footing Outer Dimensions Plan Sizing Layout 0.0m × 0.0m
Total Thickness (Df) Gross Height 0 mm
Specified Clear Cover Durability Boundary 0 mm
Reinforcement Mesh Configuration Symmetrical Both Ways Y16 @ 0mm c/c