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Hi all, I'm trying to determine the equations of boussinesq's pressure bulbs so I can use them in various figures. I'm only finding isobar equations for a point load, does anyone know of a reference where I can find the equations for a strip load? Thanks in advance.

Yup! Meant allowable, my bad.

Hi all, Working on a rock bolt design and am given the liberty to draft up a procedure for future use. I'm checking the combined shear/tensile loading condition using the equation ((Fs/fs)^2+(Ft/ft)^2)^0.5 <= 1.0 [F=force, f = factored resistance). Could someone break down the mechanics of...