A soil sample weighing 256 g is removed from a test pit. Water weighing 128 g will just fill the pit. A sample of soil weighing 111 grams is oven-dried and its weight after oven drying is 96.8 g. Maximum attainable dry unit weight of soil is 19.5 KN/m³ and minimum attainable dry unit weight is 16.2 KN/m³. Specific gravity of soil is 2.56.

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter3: Weight–volume Relationships
Section: Chapter Questions
Problem 3.10P
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A soil sample weighing 256 g is
removed from a test pit. Water weighing
128 g will just fill the pit. A sample of
soil weighing 111 grams is oven-dried
and its weight after oven drying is 96.8
g. Maximum attainable dry unit weight
of soil is 19.5 KN/m³ and minimum
attainable dry unit weight is 16.2 KN/m³.
Specific gravity of soil is 2.56.
Determine:
The wet unit weight of soil in KN/m³
The dry unit weight of soil in KN/m³
Relative density of soil (%)
Transcribed Image Text:A soil sample weighing 256 g is removed from a test pit. Water weighing 128 g will just fill the pit. A sample of soil weighing 111 grams is oven-dried and its weight after oven drying is 96.8 g. Maximum attainable dry unit weight of soil is 19.5 KN/m³ and minimum attainable dry unit weight is 16.2 KN/m³. Specific gravity of soil is 2.56. Determine: The wet unit weight of soil in KN/m³ The dry unit weight of soil in KN/m³ Relative density of soil (%)
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