Discuss your results and compare your results with any published data. For the bulk density test, obtain the value of dry density. How does the values of (i) void ratio (ii) porosity influenced your results? How will these values differ if the soil is fully saturated, partially saturated or submerged? Support your assertions using relevant phase relationship equations. What will happen to the values of particle density (specific gravity) obtained if the soil sample contain large quantities of peat or organic material? How will the results be used in specific practical conditions in the construction industry? Explain any source(s) of error in your experiment and state how it affected your result.
Discuss your results and compare your results with any published data. For the bulk density test, obtain the value of dry density. How does the values of (i) void ratio (ii) porosity influenced your results? How will these values differ if the soil is fully saturated, partially saturated or submerged? Support your assertions using relevant phase relationship equations. What will happen to the values of particle density (specific gravity) obtained if the soil sample contain large quantities of peat or organic material? How will the results be used in specific practical conditions in the construction industry? Explain any source(s) of error in your experiment and state how it affected your result.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Discuss your results and compare your results with any published data. For the bulk density test, obtain the value of dry density. How does the values of (i) void ratio (ii) porosity influenced your results? How will these values differ if the soil is fully saturated, partially saturated or submerged? Support your assertions using relevant phase relationship equations. What
will happen to the values of particle density (specific gravity) obtained if the soil sample contain large quantities of peat or organic material? How will the results be used in specific practical conditions in the construction industry? Explain any source(s) of error in your experiment and state how it affected your result.
![Test Number
1.
2.
Pycnometer Label
50 ml
100 ml
Mass of the dry pycnometer, m, (g)
30.03
37.75
Mass of the pycnometer + dry specimen, m2 (g)
41.03
51.54
3
Mass of the pycnometer + dry specimen + control fluid, m, (g)
89.44
145.36
4
Mass of the pycnometer filled with the control fluid, m, (g)
82.71
136.69
Mass of dry specimen, m, (g)
41.03 - 30.03
51.54 - 37.75
= m2 - mo
= 11
= 13.79
Mass of the control fluid in full pycnometer (g)
= m, - mo
Mass of the control fluid used (g)
= m3 - m2
Volume of soil particles (ml)
= (m, - mo) - (m - m,)
Specific Gravity (Mg/m³)
= (m2 - ma) / [(m, - mo) - (m, - m2)]
6.
82.71 - 30.03
136.69 - 37.75
= 52.68
= 98.94
7
89.44 - 41.03
145.36 - 51.54
= 48.41
= 93.82
8.
52.68 - 48.41
98.94 - 93.82
= 4.27
= 5.12
%3D
6.
11/ 4.27
13.79/ 5.12
= 2.58
= 2.7
%3D
2.
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Transcribed Image Text:Test Number
1.
2.
Pycnometer Label
50 ml
100 ml
Mass of the dry pycnometer, m, (g)
30.03
37.75
Mass of the pycnometer + dry specimen, m2 (g)
41.03
51.54
3
Mass of the pycnometer + dry specimen + control fluid, m, (g)
89.44
145.36
4
Mass of the pycnometer filled with the control fluid, m, (g)
82.71
136.69
Mass of dry specimen, m, (g)
41.03 - 30.03
51.54 - 37.75
= m2 - mo
= 11
= 13.79
Mass of the control fluid in full pycnometer (g)
= m, - mo
Mass of the control fluid used (g)
= m3 - m2
Volume of soil particles (ml)
= (m, - mo) - (m - m,)
Specific Gravity (Mg/m³)
= (m2 - ma) / [(m, - mo) - (m, - m2)]
6.
82.71 - 30.03
136.69 - 37.75
= 52.68
= 98.94
7
89.44 - 41.03
145.36 - 51.54
= 48.41
= 93.82
8.
52.68 - 48.41
98.94 - 93.82
= 4.27
= 5.12
%3D
6.
11/ 4.27
13.79/ 5.12
= 2.58
= 2.7
%3D
2.
5.
Transcribed Image Text:9.67 g
4.290 kg
Container mass
Mass of proctor compaction mould
Soil mass
6.07 - 4.290
= (mass of proctor compaction mould + soil mass) - Mass of proctor
= 1.78 kg
compaction mould
Mass of proctor compaction mould + soil mass
4.290 + 1.78
6.07 kg
53.35 g
Container mass + soil mass
Volume of proctor compaction mould m (cylindrical)
T x 1.022
D2
x 1.164
= 0.9511 m3
1780
Bulk density (p) = "x 10-6 Mg/m3
X 10-6
0.9511
= 1.8715 x 10-3 Mg/m3
43.68 – 41.84
mass of wet soil – mass of dry soil
-
Water content =
x 100
x 100
mass of wet soil
43.68
= 4.21%
1.8715 x 10-3
Dry density (p.) =
1+("/100
Mg/m3
Mg/m3
1+ (4.21/100)
= 1.796 x 10-3 Mg/m3
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