Question

A 335 mm diameter pile is being designed with a factor of safety of 2 at a site where the soil consists of medium clay (C_u = 60 kPa) to a depth of 12 m. Below this is a layer of stiff clay (C_u = 162kPa). If the adhesion factor for medium clay is 69 % and that of stiff clay is 90%, compute the allowable pile capacity (kN) if the pile penetrates 3 m into stiff clay layer (3 d.p)

Answer 1

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