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Earth pressure coefficient Ks = = 1.59

Equivalent beta factor p = Kstan(5) = 1.03

Stresses at top of sand

Vertical total stress ct^ = Yk x t1 = 148 kPa

Pore pressure u = yw x ( - dw) = 68.6 kPa Vertical effective stress c'vk = avk - u = 79.4 kPa vk + vk,b

Average vertical stress along shaft CT'vkav =

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