MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 1 term (6 months)
9th Edition
ISBN: 9781305971226
Author: Braja M. Das; Khaled Sobhan
Publisher: Cengage Learning US
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Question
Chapter 6, Problem 6.14P
(a)
To determine
Find the dry unit weight in the field.
(b)
To determine
Find the relative density of compaction.
(c)
To determine
Find the moist unit weight.
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The relative compaction of a 4-m thick sand in the field is 79.34% and moisture content of 10.44%. The maximum and minimum dry unit weights of the sand are 108.66 lb/ft3 and 63.41 lb/ft3, respectively. If the specific gravity of the sand in the field is 2.644, determine the following:
a. Bulk unit weight of the soil in the field, in lb/ft3.
b. Relative density in the field, in %.
c. Thickness of sand to satisfy a compaction requirement in the site to about 95%.
The relative compaction of a sand in the field is 92%. The maximum and minimum dry unit weights of the sand are 16.2kn/m^3 and 14.6Kn/m^3, respectively. For the field condition, determine
a. Dry unit weight
b. Relative density of compaction
c. Moist unit weight at a moisture content of 12%
The maximum and minimum dry unit weights of a sand were determined in the laboratory to be 16.9 kN/m³ and
14.2 kN/m³, respectively. If the field relative density is 82%?
Determine
The degree of compaction in the field.
Field dry unit weight.
Field bulk unit weight if the field moisture content is 15%.
Chapter 6 Solutions
MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 1 term (6 months)
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