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Question 1: What is the maximum column load in kips that could be placed on a 4-ft square temporary footing on a sand for which the standard penetration resistance is about N = 15 and the water table is at the surface? A factor of safety of 2 is to be maintained against bearing failure.
Question 2: Solve question 1 if settlement of the footing must be limited to 1/2 in.
Attachment:- Problem.rar
Verified Expert
Settlement footing on cohesionless soil generally occurs as soon as the load is applied and result from elastic distortion of the ground without significant change in the soil’s void ratio. Estimates of immediate settlement in cohesionless soils are made from empirical correlations among settlement, bearing pressure, standard penetration resistance and footing size.
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