In a laboratory test of an aquifer material a fully saturated sample of volume 5 liters was taken and its initial weight of 105 N was recorded. When allowed to drain completely it recorded a weight of 97 N. The sample was then crushed dried and then weighed. A weight of 93 N was recorded at this stage. Calculate the specific yield and relative density of the solids.
In a laboratory test of an aquifer material a fully saturated sample of volume 5 liters was taken and its initial weight of 105 N was recorded. When allowed to drain completely it recorded a weight of 97 N. The sample was then crushed dried and then weighed. A weight of 93 N was recorded at this stage. Calculate the specific yield and relative density of the solids.
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.12P
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In a laboratory test of an aquifer material a fully saturated sample of volume 5 liters was taken and its initial weight of 105 N was recorded. When allowed to drain completely it recorded a weight of 97 N. The sample was then crushed dried and then weighed. A weight of 93 N was recorded at this stage. Calculate the specific yield and relative density of the solids. (Assume unit weight of water γγ=9.79 kN/m3)
Answers: Specific yield= 16.34%;
Relative density of solids = 2.517
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