7.16 A 650-kN column load is supported on a 1.5-m wide by 2.0-m long by 0.5 m deep spreadfooting. The soil below is a well graded, normally consolidated sand with y = 17.0 kN/m' andthe following SPT N60 values:Depth (m)1.02.03.04.05.0N601213131822The groundwater table is at a depth of 25 m. Using Schmertmann's method and hand compu-tations, compute the total settlement at t = 30 yr.

W.f=1.520.523.6=35g=650+351.5×2=228 kpaσzo'=17×0.5=8σzp'=gauge=1.25×17=21 kpaσzp' constant=2×17=34…

Answered: 7.16 A 650-kN column load is supported…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter17: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 17.16CTP

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