PROBLEM No. 4Given the laboratory results of the Cone Penetration Tests in Figure 4.1 and theNatural Water Contents of Table 4.1.a. Determine the nearest value for Liquid Limit of the soil.b. Determine the nearest value for Plastic Limit of the soil.c. Determine the Plasticity Index of the soil.d. Determine the Liquidity Index of the soil.e. Using the Plasticity Chart, determine the type of soil.TABLE 4.1Natural Water ContentTest No. →12Weight of Wet Soil + Container, g17.5316.97Weight of Dry Soil + Container, g14.8414.36Weight of Container, g9.509.55Weight of Water, gWeight of Dry Soil, gWater Content, %Average Water Content, %6058Cone Weight, W = 0.78 N56W = 2.35 N5452504846444240383634 -32 -30 -1020304050FIGURE 4.1Cone Penetration, d (mm)Water Content, w (%)

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Given the laboratory results of the Cone Penetration Tests in Figure 4.1 and the Natural Water Contents of Table 4.1. a. Determine the nearest value for Liquid Limit of the soil. b. Determine the nearest value for Plastic Limit of the soil. c. Determine the Plasticity Index of the soil.

Given the laboratory results of the Cone Penetration Tests in Figure 4.1 and the Natural Water Contents of Table 4.1. a. Determine the nearest value for Liquid Limit of the soil. b. Determine the nearest value for Plastic Limit of the soil. c. Determine the Plasticity Index of the soil.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Compaction

Section: Chapter Questions

Problem 5.7P

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Concept explainers

Laboratory Determination of Hydraulic Conductivity

Hydraulic conductivity is the measure of flowability of water inside the soil in the presence of a hydraulic gradient. The hydraulic gradient is defined as the difference in the water heads in the soil, which induces a water motion. In simple terms, a hydraulic gradient is the presence of a potential that induces a flow of water.

Question

PROBLEM No. 4
Given the laboratory results of the Cone Penetration Tests in Figure 4.1 and the
Natural Water Contents of Table 4.1.
a. Determine the nearest value for Liquid Limit of the soil.
b. Determine the nearest value for Plastic Limit of the soil.
c. Determine the Plasticity Index of the soil.
d. Determine the Liquidity Index of the soil.
e. Using the Plasticity Chart, determine the type of soil.
TABLE 4.1
Natural Water Content
Test No. →
1
2
Weight of Wet Soil + Container, g
17.53
16.97
Weight of Dry Soil + Container, g
14.84
14.36
Weight of Container, g
9.50
9.55
Weight of Water, g
Weight of Dry Soil, g
Water Content, %
Average Water Content, %
60
58
Cone Weight, W = 0.78 N
56
W = 2.35 N
54
52
50
48
46
44
42
40
38
36
34 -
32 -
30 -
10
20
30
40
50
FIGURE 4.1
Cone Penetration, d (mm)
Water Content, w (%)

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