A 4m x 5m rectangular footing resting at ground level carries a uniform load of 550 kPa. Compute the vertical stress increment at a depth of 8.0m below the ground surface. a. Use 2:1 Approximation Method (70.51) b. Use 60 Approximation Method (58.36)

Q: A rigid shallow footing has the dimension of 1m x 1m, shown in the following figure. The depth of footing, mechanical properties of supporting soil and the load transmitted through the footing are shown in the figure. Determine shape factor (Is) and depth factor (I). 500 mm E,= 6500 kN/m² H₂=0.3 E, - 5000 kN/m² 1₂ = 0.3 E, 10000 kN/m = H₂ = 0.3 Ao = 200 kN/m² 0.0 m 3.0 m 5.0 m 8.0 m

Solve using eurocode 7, design approach 1, combination 2

For general c- soil, cohesion c is 50 kPa, the total unit weight y. is 20 kN/m3 and the bearing capacity factors are N= 8 and = 3 and N, = 2. Using Terzaghi's formula. Na Calculate the net ultimate bearing capacity for a strip footing of width B=2m at depth z = 1 m. Considering shear failure only, estimate the safe total load on a footing 10m long by 2m wide strip footing using a factor of safety of 3. %3D