Consider the soil profile below: 3m Vary 18.3kN/m Sand Groundwater table 6m -19.8kN/m² 4m Clay Sand Calculate the effective stress at the location of the red star (4m inside clay layer) if the saturated unit weight of the clay is 21.8 kN/m^3 Note: give your answer in units of kPa A sample of the clay layer in the previous problem is extracted from the location of the red star and tested in the lab. Vertical strain, &, (%) 1 50 40 10 100 1000 Effective consolidation stress, σ (kPa) Odometer testing yielded the following consolidation curve (red line): Calculate the over-consolidation ratio of the clay sample. Use two decimal places.
Consider the soil profile below: 3m Vary 18.3kN/m Sand Groundwater table 6m -19.8kN/m² 4m Clay Sand Calculate the effective stress at the location of the red star (4m inside clay layer) if the saturated unit weight of the clay is 21.8 kN/m^3 Note: give your answer in units of kPa A sample of the clay layer in the previous problem is extracted from the location of the red star and tested in the lab. Vertical strain, &, (%) 1 50 40 10 100 1000 Effective consolidation stress, σ (kPa) Odometer testing yielded the following consolidation curve (red line): Calculate the over-consolidation ratio of the clay sample. Use two decimal places.
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter2: Geotechnical Properties Of Soil
Section: Chapter Questions
Problem 2.13P
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Transcribed Image Text:Consider the soil profile below:
3m
Vary
18.3kN/m
Sand
Groundwater table
6m
-19.8kN/m²
4m
Clay
Sand
Calculate the effective stress at the location of the red star (4m inside clay layer) if the saturated unit weight of the clay is 21.8 kN/m^3
Note: give your answer in units of kPa
A sample of the clay layer in the previous problem is extracted from the location of the red star and tested in the lab.
Vertical strain, &, (%)
1
50
40
10
100
1000
Effective consolidation stress, σ (kPa)
Odometer testing yielded the following consolidation curve (red line):
Calculate the over-consolidation ratio of the clay sample. Use two decimal places.
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