1) Sand cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. A sand is used in the cone and is known to have a bulk density of 1670 kg/cu. m. The laboratory moisture-unit weight curve indicates a dry unit weight of 25 kN/cu. m and an optimum moisture content of 12% Soil sample dug from the test hole: Wet weight of soil sample - 2900 g Dried weight of soil sample = 2450 g Weight of sand to fillthe test hole - 1685 g Compute the field water content. A 25% 21% 18% 16%

1) Sand cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. A sand is used in the cone and is known to have a bulk density of 1670 kg/cu. m. The laboratory moisture-unit weight curve indicates a dry unit weight of 25 kN/cu. m and an optimum moisture content of 12% Soil sample dug from the test hole: Wet weight of soil sample - 2900 g Dried weight of soil sample = 2450 g Weight of sand to fillthe test hole - 1685 g Compute the field water content. A 25% 21% 18% 16%

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter4: Plasticity And Structure Of Soil

Section: Chapter Questions

Problem 4.8P

See similar textbooks

Similar questions

please solve B only. subject: geotechnical Engineering A sample coarse grained soil is 50mm. In diameter and 150mm long was tested in a constant-head apparatus. The soil sample was prepared at a void ratio of 1.5. The total head was kept constant at 300mm and the amount of water is collected in 4 sec. was 50cm^3. The test temperature was 22°Ca.) Compute the temperature correction factor.b.) Compute the corrected coefficient of permeability in cm/sec. c.) Compute the interstitial velocity.
Sand cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. Ottowa sand is used in the cone and is known to have a bulk density of 1604 kg/m3. The laboratory moisture unit weight curve indicates a dry unit wt. of 19.20kN/m3 and an optimum moisture content of 13%.Soil sample dug from the test hole. Wet weight of soil sample = 2220 g. Dried weight of soil sample = 1930 g. Weight of sand to fill the test hole = 1936 g. c. Compute the percentage of compaction of the tested soil
Sand-cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. The sand used in the cone is known to have a bulk density of 15.73 kN/m3 Wet weight of soil sample dug from test hole = 2100 g Dried weight of soil sample = 1827 g Weight of sand (sand core) to fill the test hole = 1636 g a) Compute the water content. b) Compute the in-place dry unit weight of tested soil. c) Compute the percentage of compaction of the tested soil if the laboratory moisture-unti weight curve indicates a dry unit weight of 18.09 kN/m3 and a optimum moisture content of 13%.
Problem # 1. A constant head permeability test is performed on a sample of granular soil. The length of the soil sample is 15 cm and the cross-sectional area is 10 cm^2. If a 24 cm^3 volume of water passes through the oil sample in a 3-minute period and the constant head is 30 cm determine the followinga. Determine the coefficient of permeability of the soil.b. Find the discharge velocity.c. Compute the seepage velocity if the void ratio is 0.64.
during a subsurface exploration, an undiscovered soil sample was collected from the field using a split spoon sampler for lab evaluation. the sample has a diameter of 34.9mm length of 457.2mm and a moist mass of 840g. if the oven dried mass was 680g and Gs= 2.74 calculate the ff. a.)moist unit weight b.)moisture content c.)dry unit weight d.)void ratio e.)degree of saturation
Undisturbed soil sample was collected from the field in steel Shelby tubes for laboratory evaluation. The tube sample has a diameter of 71 mm, length of 558 mm, and a moist weight of 42.5 x 10-3 If the oven-dried weight was 37.85 x 10-3 kN, and Gs = 2.69, calculate the following: Moist unit weight Field moisture content Dry unit weight Void ratio Degree of saturation
An in-place density determination (in-place unit weight) is made for the sand in a borrow pit using a balloon- type density apparatus. The damp sample dug from a test hole is found to weigh 8.5 lb. The volume of the test hole is 0.065 ft3. From these data, compute the wet unit weight of the soil.
A granular soil sample taken from the field has a density of 1900 kg/m3. In a laboratory test, it was found out that the density of the soil solids is 2600 kg/m3, moisture content of 11.5% and void ratios at its densest and loosest states are 0.43 and 0.62, respectively. Determine the following: a. In-situ dry density of the soil, kg/m3. b In-situ void ratio. c. Relative density, %.
1. A soil sample has a maximum void ratio of 0.85 and minimum void ratio of 0.55. It was also found out that the porosity is 23%, moisture content is 12% and Gs = 2.65. Compute the dry unit weight of the sample. 2. Estimate the compression index of soft clay with moisture content of 56.4 percent. The liquid limit is 56 percent.
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
During a subsurface exploration, an undisturbed soil sample was collected in the field using a split-spoon sampler. for laboratory evaluation. The sample has a diameter of 1.375 in. diameter, 18 in. length, and a wet weight of 1.85 lb. If the oven-dried weight was 1.5 lb and Gs = 2.74; calculate the following:(a) Wet unit weight.b) Moisture content.c) Dry unit weight.d) Void ratio.e) Degree of saturation.
Please solve A only. Subject: Geotechnical engi A sample coarse grained soil is 50mm. In diameter and 150mm long was tested in a constant-head apparatus. The soil sample was prepared at a void ratio of 1.5. The total head was kept constant at 300mm and the amount of water is collected in 4 sec. was 50cm^3. The test temperature was 22°Ca.) Compute the temperature correction factor.b.) Compute the corrected coefficient of permeability in cm/sec. c.) Compute the interstitial velocity.