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Salgado's depth factor for undrained loading: dc = 1 + 0.27 J^- = 1.21 © Ignore depth factors for drained loading i7

Salgado's shape factor for undrained loading: sc = 1 + 0.17 / —

Ignore depth factors for drained loading

Depth factors are all 1.0 for drained loading and so can be ignored

Undrained bearing resistance

Total overburden at foundation base is a^ b = Yk x d = 31.5 kPa o

Partial factors from Sets

VR1 y

Ultimate resistance is qu|t = (n + 2) x cud x dc x sc + b =

v257.6 y kPa

Design resistance is qRd qult YRv

v257.6 y kPa

Drained bearing resistance

Effective overburden at foundation base is ct' vk b = CTvk b - Ukb = 16.8 kPa

V112.5 y kPa

From cohesion q'u|t = (Ncx c'dj From self-weight q'u|t =

(103.61

0 0

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