Question
In: Civil Engineering
: A wet soil sample with a water content of 15% and percentage air voids of...
: A wet soil sample with a water content of 15% and percentage air voids of 20% was oven dried. If the soil sample is cylindrical in dimension with length as 100 mm and diameter as 50 mm, then how much mass of water is present in the soil? Also calculate the mass of soil. Assume specific gravity of soil is 2.69 Interpret your answer and conclude how water content influences the unit weight of soil.
Solutions
Ally Wells answered 8 months agoRelated Solutions
What is the gravimetric water content, of a soil sample having a wet mass of 1.63...
What is the gravimetric water content, of a soil sample having a
wet mass of 1.63 kg and a dry mass of 1.33 kg? And then answer,
what is the volumetric water content of this sample if its
dimensions are known to be 0.1m x 0.1m x 0.1m?
Please show workings and explain each step.
The following data represent soil water content (percentage of water by volume) for independent random samples...
The following data represent soil water content (percentage of
water by volume) for independent random samples of soil taken from
two experimental fields growing bell peppers. Soil water content
from field I: x1; n1 = 72 15.1 11.3 10.1 10.8 16.6 8.3 9.1 12.3 9.1
14.3 10.7 16.1 10.2 15.2 8.9 9.5 9.6 11.3 14.0 11.3 15.6 11.2 13.8
9.0 8.4 8.2 12.0 13.9 11.6 16.0 9.6 11.4 8.4 8.0 14.1 10.9 13.2
13.8 14.6 10.2 11.5 13.1 14.7 12.5...
The following data represent soil water content (percentage of water by volume) for independent random samples...
The following data represent soil water content (percentage of
water by volume) for independent random samples of soil taken from
two experimental fields growing bell peppers.
Soil water content from field I: x1; n1 = 72
15.2 11.3 10.1 10.8 16.6 8.3 9.1 12.3 9.1 14.3 10.7 16.1 10.2
15.2 8.9 9.5 9.6 11.3 14.0 11.3 15.6 11.2 13.8 9.0 8.4 8.2 12.0
13.9 11.6 16.0 9.6 11.4 8.4 8.0 14.1 10.9 13.2 13.8 14.6 10.2 11.5
13.1 14.7 12.5...
The following data represent soil water content (percentage of water by volume) for independent random samples...
The following data represent soil water content (percentage of
water by volume) for independent random samples of soil taken from
two experimental fields growing bell peppers. Soil water content
from field I: x1; n1 = 72 15.3 11.3 10.2 10.8 16.6 8.3 9.1 12.3 9.1
14.3 10.7 16.1 10.2 15.2 8.9 9.5 9.6 11.3 14.0 11.3 15.6 11.2 13.8
9.0 8.4 8.2 12.0 13.9 11.6 16.0 9.6 11.4 8.4 8.0 14.1 10.9 13.2
13.8 14.6 10.2 11.5 13.1 14.7 12.5...
A sample of moist soil having a wet mass of 1.0 kg and a volume of...
A sample of moist soil having a wet mass of 1.0 kg and a volume of
0.64 liter (6.4
´
10-4
m3)
was dried in the oven and found to have a dry mass of 0.8 kg.
Assuming a typical value of particle density of 2650
kg/m3,
calculate the bulk density
rb,
porosity
f,
mass water content
qg,
volumetric water content
qv,
and air-filled porosity
fa.
A soil has a natural water content of 10%, specific gravity of 2.65, and porosity of...
A soil has a natural water content of 10%, specific gravity of
2.65, and porosity of 0.45.
a) Find the dry unit weight and degree of saturation.
b) If the optimum water content for the soil from a standard
proctor was 20%, how much water would have to be added to 1m^3 of
the soil to increase the water content to an optimum level?
A layer of saturated cohesive soil (16m deep) has a water content of 46 % ,...
A layer of saturated cohesive soil (16m deep) has a water
content of 46 % , and the specific gravity of solid particles of
the soil is 2.65. Unit weight of water is 9.81 kN/m3
Determine
volume of air, weight
of water (Ww) in terms of weight of solid, volume of water (Vw) in
terms of weight of solid, volume of solid in terms of weight of
solid (Ws), weight of water, Assume total volume of soil
is 1m3. Determine...
Laboratory compaction test results for a cohesive soil are given in the following table: Water Content...
Laboratory compaction test results for a cohesive soil are given in
the following table:
Water Content (%)
Dry Density (pcf)
12.0
116.2
13.6
117.6
14.8
117.9
16.1
116.5
17.2
113.6
Plot Diagram with labels and sample test
labels
Specifications call for a fill dry density of 114 pcf and
further require that the fill be compacted at optimum water content
for the field compactive effort. For the following field density
test results on a fill, explain how you alter...
Wet air containing 60.4 mol% of pure water at 82.5˚C is fed to a dehumidifier at...
Wet air containing 60.4 mol% of pure water at 82.5˚C is fed to a
dehumidifier at a rate of 185 mol/hr. Outlet of the dehumidifier
consists of 2 streams – one stream of drier air and the other
stream is pure liquid water. The outlet streams are in vapor-liquid
equilibrium at 812 mmHg and 31.7oC.
a) Draw the process flow diagram, number the streams, and label the
components in each stream.
b) Find the component mole flow rates (mol/hr) exiting...
Describe three different respiratory systems that are designed to work in air, in soil, or water...
Describe three different respiratory systems that are designed
to work in air, in soil, or water environments. Include in your
descriptions the limitations and advantages of these three
different respiratory system designs.
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