please please help Problem 3-Geotechnical Design of Shallow Foundation (20 pts)

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Problem 3-Geotechnical Design of Shallow Foundation (20 pts) A column carries the following factored ultimate loads/200 kN and M= 300 kN-m. The service loads are 900 kN and M= 40 kN-m. The square footing for this column is to be designed at a depth of 1.3 m on a underlying cohesive soil with undrained shear strength (S.) = 200 kPa,( l+e) = 0.04, and OCR = 6, Design a footing for this column using LRFD with a resistance factor of 0.45. (Tip: cohesion of the soil is 200 kPa and friction angle is zero)

Explanation / Answer

A column carries the following factored ultimate loads/200 kN and M= 300 kN-m. The service loads are 900 kN and M= 40 kN-m. The square footing for this column is to be designed at a depth of 1.3 m on a underlying cohesive soil with undrained shear strength (S.) = 200 kPa,( l+e) = 0.04, and OCR = 6, Design a footing for this column using LRFD with a resistance factor of 0.45.

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