As indicated in the following figure, an incompressible silty sand fill 16.4 ft thick was placed on top of a 49.2 ft thick layer of soft and compressible silty clay. Underlying the clay is a layer of incompressible sandy gravel. The soil properties of the silty clay layer are given in the following figure. The ultimate settlement, Sult = 5.64 ft, from the primary consolidation of silty clay layer due to the weight of the silty sand fill is calculated. O ft Fill Material - Silty Sand (SM), y = 124.86 pcf, 16.4 ft Silty Clay (CL) 94.89 pcf Y = Normally Consolidated e, = 1.1 Cc = 0.36 %3D Ca= 0.06 Cy = 9.235 ft/year 65.6 ft Dense Sandy Gravel (GP), Incompressible layer 82.0 ft A) Find the time rate of settlement by showing the Time [year] vs. Settlement [ft] curve. Show sample calculation when percentage of consolidation, Ugyg = 50%

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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As indicated in the following figure, an incompressible silty sand fill 16.4 ft thick was
placed on top of a 49.2 ft thick layer of soft and compressible silty clay. Underlying the
clay is a layer of incompressible sandy gravel. The soil properties of the silty clay layer are
given in the following figure. The ultimate settlement, Sult = 5.64 ft, from the primary
consolidation of silty clay layer due to the weight of the silty sand fill is calculated.
O ft
Fill Material - Silty Sand
(SM), y = 124.86 pcf,
16.4 ft
Silty Clay (CL)
94.89 pcf
Y =
Normally Consolidated
1.1
e, =
Cc =
0.36
0.06
Cv =
9.235 ft/year
65.6 ft
Dense Sandy Gravel (GP),
Incompressible layer
82.0 ft
A) Find the time rate of settlement by showing the Time [year] vs. Settlement [ft] curve.
Show sample calculation when percentage of consolidation, Ugyg = 50%
Transcribed Image Text:As indicated in the following figure, an incompressible silty sand fill 16.4 ft thick was placed on top of a 49.2 ft thick layer of soft and compressible silty clay. Underlying the clay is a layer of incompressible sandy gravel. The soil properties of the silty clay layer are given in the following figure. The ultimate settlement, Sult = 5.64 ft, from the primary consolidation of silty clay layer due to the weight of the silty sand fill is calculated. O ft Fill Material - Silty Sand (SM), y = 124.86 pcf, 16.4 ft Silty Clay (CL) 94.89 pcf Y = Normally Consolidated 1.1 e, = Cc = 0.36 0.06 Cv = 9.235 ft/year 65.6 ft Dense Sandy Gravel (GP), Incompressible layer 82.0 ft A) Find the time rate of settlement by showing the Time [year] vs. Settlement [ft] curve. Show sample calculation when percentage of consolidation, Ugyg = 50%
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