A rectangular footing 1.64 x 2.31 meters in plan. The soil supporting the foundation has a friction angle of 28 degrees and c = 16.24 kPa. The unit weight of soil us 15.04 kN/m3 and the saturated unit weight is 20.55 kN/m3. The bottom of the foundation is at 1.78 meter below the ground and the GWT to be 0.44 meter below the bottom of the footing. Assume the the load is inclined at an angle of 24 degrees from the vertical. Compute for the net bearing capacity if the factor of safety is 3.61. Use Meyerhof General Bearing Capacity Equation.

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Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.