The following results were obtained from a standard compaction test on a soil: Mass (g) Water content (%) 2010 2092 2114 2100 2055 12.8 | 14.5 | 15.6 | 16.8 | 19.2 The value of G, is 2.67. The volume of the mould is 1000 cm. 1) Plot the curve of compaction and give the optimum water content and maximum dry density. 2) Plot also the curves of saturation for S=100%, S=95% and S=90%.

The following results were obtained from a standard compaction test on a soil: Mass (g) Water content (%) 2010 2092 2114 2100 2055 12.8 | 14.5 | 15.6 | 16.8 | 19.2 The value of G, is 2.67. The volume of the mould is 1000 cm. 1) Plot the curve of compaction and give the optimum water content and maximum dry density. 2) Plot also the curves of saturation for S=100%, S=95% and S=90%.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Compaction

Section: Chapter Questions

Problem 5.2P

See similar textbooks

Similar questions

9. The results of a Standard Proctoretest is tabulated as follows: (CHECK PICTURE) Determine the maximum dry unit weight of compaction Determine the void ratio at the optimum moisture content Gs = 2.68 Determine the optimum moisture content Determine the degree of saturation at the optimum moisture content
The laboratory compaction test of a certain type of soil gives a maximum dry density of 1486 g/m3 with an optimum moisture content of 12.5%. The following are the results of a field unit weight determination test using sand cone method. Volume of soil excavated from the hole = 0.001337 m3 Weight of soil from the hole when wet = 2220 g Weight of soil from the hole when dried = 1890 g Determine the field unit weight of soil in g/cm3. Determine the relative compaction, then tell whether it is within the allowable range for relative compaction of 95 ± 0.20?
A sand fill has an initial void ratio of 0.740, it was then compacted to achieve a desirable void ratio of 0.400. If the specific gravity of the soil solids is 2.700 and the maximum and minimum dry density of the sand fill recorded from the laboratory are 1903.360 kg/m3 and 1365.640 kg/m3 respectively, determine the following: compacted thickness of the sand fill in meters if its initial thickness is 3.20 meters, increase in relative density of the sand fill
The following results are obtained from standard compaction test for a soil, if Gs = 2.5 Water Content (%) 6.2 8.1 9.8 11.5 12.3 13.2 Unit weight (kN/m3) 16.9 18.7 19.5 20.5 20.4 20.1 Required: 1- The optimum water content (Wc %) 2- The maximum dry unit weight ( dry ) 3- The void ratio (e) 4- Degree of saturation (S %) 5- Find the weight of water needed to be added to 1 m3 to reach 100% saturation.
The ff are results of a field unit weight determination test Volume hole 0.0016 Mass of moist soil from 3.10kg Water content 12.20% Mas dry 19.50 Determine the relative compaction in %
a. What is the compacted dry density?b. What is the field water content?c. What is the relative compaction?d. Does the test meet specifications?e. What is the degree of saturation of the field sample?f. Plot the laboratory curve and the results of the sand cone test on the same graph. Show the limits of the acceptable range.
Results of a standard proctor ompaction test on a silty sand are shown. PLEASE COMPLETE SOLUTION. 1) Find the maximum dry unit weight and optimum moisture content. 2) What is the moist unit weight at optimum moisture content? 3) What is the degree of saturation at optimum moisture content? Given: ?? = 2.69 4) If the required field dry unit weight is 18.5 ??/?3, what is the relative compaction? 5) What should be the range of compaction moisture contents in the field to achieve the above relative compaction? 6) If the minimum and maximum void ratios are 0.31 and 0.82, respectively, what is the relative density of compaction in the field?
A proctor compaction test was conducted on a soil sample, and the following observations weremade:Water content, percent 7.7 11.5 14.6 17.5 19.7 21.2Mass of wet soil, g 1739 1919 2081 2033 1986 1948 1. determine the wet density in g/cm32. determine the dry density in g/cm33. determine the dry unit weight in kN/m34. construct the compaction curve 5. determine the optimum moisture content in percent 6. determine the maximum dry density in kN/m37. construct the 80% and 100% saturation lines using w% = 8, 12, 16, 20, and 24 8. calculate the saturation for the maximum dry density (ϒdmax in kN/m3) and the optimummoisture content (wopt %)
1. The relative compaction of a clayey sand in the field is 90%. In the laboratory, the maximum dry unit weight is 115 ??/??3. If the soil layer before compaction had a void ratio of 0.97 and a thickness of 5.5 ft. What would be the final thickness after compaction? Assume ?? = 2.67. COMPLETE SOLUTION PLEASE
10. The results of a Standard Proctoretest is tabulated as follows: (SEE PICTURE) Determine the maximum dry unit weight of compaction Determine the optimum moisture content Determine the void ratio at the optimum moisture content Gs = 2.70 Determine the degree of saturation at the optimum moisture content A field unit determination test for the soil, yielded the following data. Moisture content = 12% and moist unit weight = 106 pcf. Determine the relative compaction.
A clay sample has a wet mass of 417 g and occupies a total volume of 276 cm3. When oven dried, the mass is 225 g. If the specific gravity of soil solids is 2.70, calculate the water content, void ratio, and degree of saturation.
From the constant head permeability test arrangement shown, the following values are given: Void ratio of specimen = 0.46 Length of Soil Sample = 450mm Constant head difference = 700mm Water collected in a period of 3 min = 0.000354 m3 Cross-sectional Area of Soil Sample = 0.00226 m2 Determine the coefficient permeability in m/hour (Ans: 2.102 m/hr) Compute the discharge of velocity in m/min. (Ans: 0.052 m/min) Compute the seepage velocity in m/min. (Ans: 0.165 m/min)