Question
In: Civil Engineering
A high water-table was encountered in low-fine content soil during the excavation. This may endanger slope...
A
high water-table was encountered in low-fine content soil during
the excavation. This may endanger slope stability and result in an
accident. Suggest the most suitable groundwater control technique
to prevent this accident and explain its details
Solutions
Ally Wells answered 8 months agoRelated Solutions
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...
Unlined trapezoidal channel to be excavated in fine sand soil to convey 350 ft3/s. The slope...
Unlined trapezoidal channel to be excavated in fine sand soil to
convey 350 ft3/s. The slope is 0.0025. Determine the width of the
bottom and the depth of water of the cross section of the channel b
and y.
: 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.
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...
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.
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...
Describe the effect of low pH and high soil density on root growth and function
Describe the effect of low pH and high soil density on root
growth and function
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