Confinement Strength increases with Little dependence on If overburden is removed confining pressure, and the confining pressure. in sands a considerable loss depth of embedment. However, some strain in strength may occur at


Property Sands Clays Comments

softening may occur in the surface. SeeTable 21.5 cuttings and softened for Nq bearing capacity strength (cohesion loss) factor (becomes significant then applies. at φ> 30◦).