9.11 A soil profile is shown in the following figure. A new footing will be placed on the ground and the average vertical stress increment at the midpoint of the clay layer due to the new footing will be Ao, = 25.5 kPa. Estimate the final primary consolidation settlement of the clay layer. Assume that the clay is normally consolidated. New footing 2.8 m Ydry= 18.0 kN/m² W.T. 4.2 m Y=18.6 kN/m³ 3.0 m Yet 18.2 kN/m², e,=0.82 LL=44, PL = 20 Sand Sand Clay Sand ●
9.11 A soil profile is shown in the following figure. A new footing will be placed on the ground and the average vertical stress increment at the midpoint of the clay layer due to the new footing will be Ao, = 25.5 kPa. Estimate the final primary consolidation settlement of the clay layer. Assume that the clay is normally consolidated. New footing 2.8 m Ydry= 18.0 kN/m² W.T. 4.2 m Y=18.6 kN/m³ 3.0 m Yet 18.2 kN/m², e,=0.82 LL=44, PL = 20 Sand Sand Clay Sand ●
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:2. Text Ishibashi Soil Mechanics Fundamentals and Applications- Ishibashi 420 PAGES.pdf - Adobe Acrobat Reader DC (64-bit)
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Given the following conditions:
Specimen diameter = 76.0 mm
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Initial specimen height = 12.7 mm
Weight of dry specimen = 50.6 gf
Gs = 2.70
(a) Compute and plot e-log o relation.
(b)
Determine preconsolidation stress by Casagrande's method.
Compute the compression index Cc.
(c)
(d)
Is this soil normally consolidated or overconsolidated if the
specimen's current effective overburden stress is 150 kP
9.11 A soil profile is shown in the following figure. A new footing will be
placed on the ground and the average vertical stress increment at the
midpoint of the clay layer due to the new footing will be Ao, = 25.5 kPa.
Estimate the final primary consolidation settlement of the clay layer.
Assume that the clay is normally consolidated.
New footing
2.8 m
Ydry 18.0 kN/m³
W.T.
4.2 m
Ywet 18.6 kN/m³
3.0 m
Ywet = 18.2 kN/m³, e,= 0.82
LL = 44, PL = 20
Sand
Sand
Clay
9.60
9.79
10.02
Sand
EP
C
100%
28°C Partly sunny
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