The results of a laboratory consolidation test on a clay sample are given below:Pressure, p(kN/m²)Void ratio, e23.941.11247.881.10595.761.080191.520.985383.040.850766.080.731(43) a) Draw an e-log p plot.(44) b) Determine the pre-consolidation pressure, p. .(45) c) Find the compression index, Ce.AppendixFor ø=35°, N¸=57.8, N,=41.4, and N,=41.1.o,'=0;'tan²| 45°++2c tan| 45°+

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The results of a laboratory consolidation test on a clay sample are given below Pressure, p (kN/m²) Void ratio, e 23.94 1.112 47.88 1.105 95.76 1.080 191.52 0.985 383.04 0.850

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Consolidation

Section: Chapter Questions

Problem 9.2P

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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

The results of a laboratory consolidation test on a clay sample are given below:
Pressure, p
(kN/m²)
Void ratio, e
23.94
1.112
47.88
1.105
95.76
1.080
191.52
0.985
383.04
0.850
766.08
0.731
(43) a) Draw an e-log p plot.
(44) b) Determine the pre-consolidation pressure, p. .
(45) c) Find the compression index, Ce.
Appendix
For ø=35°, N¸=57.8, N,=41.4, and N,=41.1.
o,'=0;'tan²| 45°+
+2c tan| 45°+

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