Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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a) Calculate the OCR and OCM for the midpoint of the clay layer
prior to fill placement.
b) Calculate the settlement for the clay layer in the soil profile shown in problem 3, except
assume the clay is normally consolidated.
c) Calculate the settlement for the clay layer in the soil profile shown in problem 3, except
assume the clay has a preconsolidation stress of 1800 psf.
d) Assume the time to primary consolidation is 15 years,
and the design life of the project is 50 years. What will the secondary compression of the clay
layer be?
Answers
3 1.45 in
a) OCR = 4.06 OCM = 3014.8 lb/ft2
b) 6.0 in
c) 3.53 in
d) 0.79 in
Transcribed Image Text:3. Calculate the settlement for the soil profile shown.
AS3
8'
18'
↓
Sand, y = 117 lb/ft³
Sand, Ysat = 119 lb/ft³
eo = 0.9
C₁ = 0.06
Fill, y = 110 lb/3
V
Cc = 0.25
C₁ = 0.03
oc' = 4000psf
clay Ysat = 120 lb/ft³
sand
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