Calculate the elastic settlement under the center of the flexible foundation shown in the figure below using Schmertmann's method. Assume t 1 year, ysoil 120 lb/ft and divide the soil into 1.5 ft intervals. Note that the equations of I, are given in the sketch below for your convenience. Assume the surcharge applied by the foundation is Ao=25,000 lb/ft2.

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter9: Settlement Of Shallow Foundations
Section: Chapter Questions
Problem 9.7P
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8) Calculate the elastic settlement under the center of the flexible foundation shown in the
figure below using Schmertmann's method. Assume t = 1 year, ysoil=120 lb/ft and
divide the soil into 1.5 ft intervals. Note that the equations of I, are given in the sketch
below for your convenience. Assume the surcharge applied by the foundation is
Ao=25,000 lb/ft.
Soil
D=3'
Δσ
B = 6', L = 24'
E, (Ib/ft').
42) = 0.1 + 2*0.4/3
120,000
3'
3'
240,000
6'
142) = 0.5 - 0.5 (z-3)/9-
9"
9'
-360,000
12'
12'-
z(ft)
z(ft),
Transcribed Image Text:8) Calculate the elastic settlement under the center of the flexible foundation shown in the figure below using Schmertmann's method. Assume t = 1 year, ysoil=120 lb/ft and divide the soil into 1.5 ft intervals. Note that the equations of I, are given in the sketch below for your convenience. Assume the surcharge applied by the foundation is Ao=25,000 lb/ft. Soil D=3' Δσ B = 6', L = 24' E, (Ib/ft'). 42) = 0.1 + 2*0.4/3 120,000 3' 3' 240,000 6' 142) = 0.5 - 0.5 (z-3)/9- 9" 9' -360,000 12' 12'- z(ft) z(ft),
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