A square footing having a dimension of 3.5m is supported by a soil (dense sand) with the following properties: Ø = 17 de

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A square footing having a dimension of 3.5m is supported by a
soil (dense sand) with the following properties: Ø = 17 degrees c =
45 kPa Y₁ = 17 kN/m³ Ysat = 20 kN/m³ The bottom of the footing is
1.9m below the ground surface. Use FS = 3 and Ywy w = 9.81 kN/m³.
Using Terzaghi's equations, If GWT is at the bottom of the footing,
determine the gross allowable bearing capacity (in kPa). If the GWT
is found 1m below ground surface, what is the gross allowable
bearing capacity (in kPa)? If the GWT is found 4 m below ground
surface, what is the gross allowable bearing capacity (in kPa)?