Homework Answers
When the soil is dry then there is no moisture content in it and it have dry density.
As we are adding moisture in it then there is a compaction and a readjustment of soil particles and density increase due to achieving more compact stage. As we keep on adding moisture then there is a stage when the water particles is going to replace the soil particles then there will be a decrease in density of soil because the specific gravity of soil particle is far greater than water particles.
Now we can understand that there is moisture content at which density is maximum i.e called optimum moisture content.
If we go more than this moisture content then there will be decrease in density.
Hope you understand.
Thank you
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01) Explain in-details the effect of decrease or increase the soil moisture content on soil density...
1. (a) Briefly describe what is meant by the terms compaction and consolidation [5 marks] (b) In a standard B.S. compaction test, the following data was collected Moisture Content Bulk Density (Mg/m3...
1. (a) Briefly describe what is meant by the terms compaction and consolidation [5 marks] (b) In a standard B.S. compaction test, the following data was collected Moisture Content Bulk Density (Mg/m3) 1.87 2.04 2.13 2.20 2.16 2.09 $$5 8 10 13 16 19 Particle specific gravity 2.7 (i)Use a graph to find the maximum dry density and optimum moisture content of the soil shown above [10 marks] (ii) On the same graph, plot the zero and 5% air void...
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Which best describes the Plastic Limit (PL) in the Atterberg Limits? Moisture content where soil changes from plastic to brittle Moisture content where a semi-solid soil stops shrinking and becomes solid Moisture content where soil first has shear strength Moisture content coinciding with the plasticity index
3. The unit weight of a soil is 96 lb/ft3. The moisture content if this soil...
3. The unit weight of a soil is 96 lb/ft3. The moisture content if this soil is 17% when the degree of saturation is 60%. Determine: a. Void ratio b. Specific gravity of solids c. Saturated unit weight.
A proctor test was performed on a soil that has a specific gravity of solids of 2.71. The followi...
A proctor test was performed on a soil that has a specific gravity of solids of 2.71. The following results were obtained: Water content Total Unit 1. Finish calculation and plot Weight (Ib/ftA3) compaction curve 10 13 16 2. What is the max. dry unit weight? 3. What is the optimum moisture 106 119 125 129 128 123 content? What range of moisture is permitted if a contractor must achieve 90% compaction? 4. 20 5. What volume of water must...
standard Proctor compaction test conducted on a clay sample gave the following results Weight of wet soil in the mould...
standard Proctor compaction test conducted on a clay sample gave the following results Weight of wet soil in the mould (g) | 1765 1860 1924 1947 1928 1906 Moisture content (%) 13.1 14.9 16.8 18.9 21.1 23.2 If the volume of the sample mould is 944 cm3, Determine the maximum dry density and optimum moisture content of the clay Draw on the same graph 5% voids ratio line. Sketch the dry density-moisture content curve you expect from modified Proctor compaction...
write nicely thank you bruh this for sand (b) A soil sample from a proposed...
write nicely thank you bruh
this for sand
(b) A soil sample from a proposed road construction in Segamat, Johor was sent to a Geotechnical Laboratory UTHM, for a compaction test. The results of compaction test obtained using modified Proctor compaction test is shown in Figure Q4 (b). 3 hi HELP ME! Predict the maximum dry density (Pmax), optimum moisture content (OMC), the dry density at 95% compaction and the range of moisture content at 95% compaction on dry...
A sandy soil has a maximum void ratio (emax) of 0.63 and a minimum void ratio...
A sandy soil has a maximum void ratio (emax) of 0.63 and a minimum void ratio (emin) of 0.36. The soil is compacted to a dry unit of 17.8 Kn/m at a moisture content of 1896. The specific gravity of the solids is 2.7. What is the relative density of the soil after compaction?
B. The moist weight of 0.028 m3 of a soil is 52 kg. The moisture content...
B. The moist weight of 0.028 m3 of a soil is 52 kg. The moisture content and the specific gravity of the soil solids are determined in the laboratory to be 11% and 2.7 , respectively. Calculate the following: Moist unit weight (kg/m3) i. Dry unit weight (kg/m3) ii. Void ratio d. Porosity iii. iv. Degree of saturation (%) Volume occupied by water (m3) v. ngle C. For the soil sample in A (above) represent the following on a soil...
A field unit weight determination test for the soil described in Problem 6.6 yielded the following...
A field unit weight
determination test for the soil described in Problem 6.6 yielded
the following data: moisture content=10.5% and moist density=1705
kg/m3. Determine the relative compaction.
6.6: The results of a standard Proctor test are given in the following table. Determine the maximum dry density (kg/m²) of compaction and the optimum moisture content. Volume of Proctor mold (cm) Moisture Content (%) Moist unit weight (kg/m3) Dry unit weight 943.3 943.3 943.3 943.3 943.3 943.3 943.3 943.3 Mass of Wet...
For a soil sample, the wet unit weight is 120 lb/ft3, and the moisture content is...
For a soil sample, the wet unit weight is 120 lb/ft3, and the moisture content is 20%. What is the dry unit weight of this soil sample? answer choices 120 lb/ft3 110 lb/ft3 105 lb/ft3 100 lb/ft3
1. (a) Briefly describe what is meant by the terms compaction and consolidation [5 marks] (b) In a standard B.S. compaction test, the following data was collected Moisture Content Bulk Density (Mg/m3) 1.87 2.04 2.13 2.20 2.16 2.09 $$5 8 10 13 16 19 Particle specific gravity 2.7 (i)Use a graph to find the maximum dry density and optimum moisture content of the soil shown above [10 marks] (ii) On the same graph, plot the zero and 5% air void...
Which best describes the Plastic Limit (PL) in the Atterberg Limits? Moisture content where soil changes from plastic to brittle Moisture content where a semi-solid soil stops shrinking and becomes solid Moisture content where soil first has shear strength Moisture content coinciding with the plasticity index
A proctor test was performed on a soil that has a specific gravity of solids of 2.71. The following results were obtained: Water content Total Unit 1. Finish calculation and plot Weight (Ib/ftA3) compaction curve 10 13 16 2. What is the max. dry unit weight? 3. What is the optimum moisture 106 119 125 129 128 123 content? What range of moisture is permitted if a contractor must achieve 90% compaction? 4. 20 5. What volume of water must...
standard Proctor compaction test conducted on a clay sample gave the following results Weight of wet soil in the mould (g) | 1765 1860 1924 1947 1928 1906 Moisture content (%) 13.1 14.9 16.8 18.9 21.1 23.2 If the volume of the sample mould is 944 cm3, Determine the maximum dry density and optimum moisture content of the clay Draw on the same graph 5% voids ratio line. Sketch the dry density-moisture content curve you expect from modified Proctor compaction...
write nicely thank you bruh
this for sand
(b) A soil sample from a proposed road construction in Segamat, Johor was sent to a Geotechnical Laboratory UTHM, for a compaction test. The results of compaction test obtained using modified Proctor compaction test is shown in Figure Q4 (b). 3 hi HELP ME! Predict the maximum dry density (Pmax), optimum moisture content (OMC), the dry density at 95% compaction and the range of moisture content at 95% compaction on dry...
A sandy soil has a maximum void ratio (emax) of 0.63 and a minimum void ratio (emin) of 0.36. The soil is compacted to a dry unit of 17.8 Kn/m at a moisture content of 1896. The specific gravity of the solids is 2.7. What is the relative density of the soil after compaction?
B. The moist weight of 0.028 m3 of a soil is 52 kg. The moisture content and the specific gravity of the soil solids are determined in the laboratory to be 11% and 2.7 , respectively. Calculate the following: Moist unit weight (kg/m3) i. Dry unit weight (kg/m3) ii. Void ratio d. Porosity iii. iv. Degree of saturation (%) Volume occupied by water (m3) v. ngle C. For the soil sample in A (above) represent the following on a soil...
A field unit weight
determination test for the soil described in Problem 6.6 yielded
the following data: moisture content=10.5% and moist density=1705
kg/m3. Determine the relative compaction.
6.6: The results of a standard Proctor test are given in the following table. Determine the maximum dry density (kg/m²) of compaction and the optimum moisture content. Volume of Proctor mold (cm) Moisture Content (%) Moist unit weight (kg/m3) Dry unit weight 943.3 943.3 943.3 943.3 943.3 943.3 943.3 943.3 Mass of Wet...
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