In: Civil Engineering
A 5-kN horizontal load acts on the column shown in Figure Q3 at a location of 1.7 m above the ground level. 50 kN Elev. 0.0 GWT-Elev.-1.1 m Elev.-2.0 m_ Figure Q3 (1) Determine a suitable footing size, using the following information: The site soil is granular soil with an angle of friction 20°, a unit weight of 16.5kN/m (above the groundwater table) and a saturated unit weight of 19.8 16.5kN/m3: Factor of safety FS-2.5; (2) If the horizontal load were increased to 10-kN, what would be the footing size? (3) If the ground water table subsides to a depth outside the foundation influence zone, what would be the factor of safety of the footing you designed in (1)? (Hint: You may want to design a square footing)