Question 3 The Figure Q3 shows a square footing with B = 1.75 m is seating in a soil with c' = 17 kN/m' and 0' = 32 i) D

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Question 3 The Figure Q3 Shows A Square Footing With B 1 75 M Is Seating In A Soil With C 17 Kn M And 0 32 I D 1 (146.07 KiB) Viewed 21 times

Question 3 The Figure Q3 shows a square footing with B = 1.75 m is seating in a soil with c' = 17 kN/m' and 0' = 32 i) Determine the gross allowable load, Qall, that the footing can carry. Use Terzaghi's equation for general shear failure. (FS = 3.5). ii) Determine the change in the factor of safety for the same gross allowable load if the water table in figure below dropped to 0.5 m below the foundation level. iii) Repeat the Question 3(i) using modified general bearing capacity equation. Qall y = 16 kN/m3 0.9 m GWT 1.2 m Ysat = 18.9 kN/m3 (CO2, PO2, C4] (50 marks)