Principles of Foundation Engineering, SI Edition
9th Edition
ISBN: 9781337672085
Author: Das, Braja M., SIVAKUGAN, Nagaratnam
Publisher: Cengage Learning
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Chapter 3, Problem 3.2P
To determine
Find the maximum wall thickness.
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A thin-walled sampling tube must be fabricated to obtaingood-quality undisturbed clay samples of 75 mm diameter.What is the maximum possible wall thickness?
Following are the results of a consolidation test on a sample of undisturbed clay obtained from the
field.
Pressure ơ' (kN/m²)
Final Height of Specimen (mm)
24
10
23.78
20
23.30
50
22.22
100
20.58
200
19.04
400
17.52
800
16.31
17.75
The height of the specimen at the beginning of the test was 24 mm and the area of specimen was
50 cm? volume of specimen was 120 cm³. The mass of dry specimen was 180.4 g. Gs= 2.68.
1. Plot the e-log ơ' curve,
2. Using Casagrande's method, determine the preconsolidation pressure.
3. Calculate the compression index, Cc
A Standard Penetration Test was performed at a depth of 15 feet in a soil with a Unit Weight of 115 lb/cubic
feet. The water table was at 20 feet and the the N value was found to be 19. What is the overburden
pressure at the point that the soil sample was taken?
1,000 tons/square feet
1230 lbs/square feet
575.3 lbs/square feet
0.86 tons/square feet
Chapter 3 Solutions
Principles of Foundation Engineering, SI Edition
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Refer to Figure P3.3. Use Eqs. (3.10) and (3.11)...Ch. 3 - Prob. 3.5PCh. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.13PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - Prob. 3.23PCh. 3 - Prob. 3.24PCh. 3 - Prob. 3.25PCh. 3 - Prob. 3.26PCh. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29PCh. 3 - Prob. 3.30PCh. 3 - Prob. 3.31P
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