Problem 1: The table below present the results of a standard proctor test of a borrow pit soil. Mass of wet soil +Mould in 3.69 3.75 3.82 3.92 3.98 3.93 (kg) Water content (%) 6.2 8 9.8 11.5 12.4 13.3 The volume and the mass of the mould was 1000cm' and 2 kg, respectively. The specific gravity of the soil is 2.72, determine the following : a) Plot the compaction curve of this soil. b) Optimum water content c) Maximum dry density.

Problem 1: The table below present the results of a standard proctor test of a borrow pit soil. Mass of wet soil +Mould in 3.69 3.75 3.82 3.92 3.98 3.93 (kg) Water content (%) 6.2 8 9.8 11.5 12.4 13.3 The volume and the mass of the mould was 1000cm' and 2 kg, respectively. The specific gravity of the soil is 2.72, determine the following : a) Plot the compaction curve of this soil. b) Optimum water content c) Maximum dry density.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter16: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 16.3P

See similar textbooks

Similar questions

1 A Sample of soil dug from a High-Rise Construction weighs 1830kg per cubic meter. The Specific Gravity is 2.60 and water content is 10%. Values of maximum void ratio and minimum void ratio are 0.63 and 0.44 respectively. Determine the dry unit weight. Determine the void ratio. Determine the relative density in percent.
HI PLEASE HELP. NEED ASAP. COMPLETE SOLUTION. SOIL MECHANICS.A soil excavated from a borrow pit has an in place dry unit weight of 18.51 kN/cu.m. In the lab, the values of dry max and min unit weights are 20.79kN/cu.m and 14.16 kN/cu.m respectively.DETERMINE THE FF: A. Compute the relative density of the soil samplein percent. B.Compute the void ratio in the natural condition if emax=0.921and emin=0.289. C.Compute the specific gravity of the soil.
A constant head permeability test has a soil sample length in the direction of flow of 350 mm, a sample cross sectional area normal to the flow direction of 125 cm2, and a head loss through the sample of 420 mm. The soil sample is a medium dense sand with a void ratio of 0.61. During a 3 minute test period, 580 cm3 of water flowed through the sample. (a) Sketch the Constant Head Permeameter and label the sketch with the appropriate dimensions given above. (b) Determine the Hydraulic conductivity, k, in cm/sec, and the seepage velocity (not just apparent velocity).
Subject: Soil Mechanics Please provide a solution and diagram An undisturbed soil sample, 100 mm in diameter and 200 mm high, was tested in a triaxial machine. The sample failed at an additional axial load of 3 kN with a vertical deformation of 20 mm. The failure plane was inclined at 50° to the horizontal and the cell pressure was 300 kN/m2, Determine, from Mohr’s circle, the cohesion in kPa. a. 125.6 b. 117.8 c. 91.3 d. 87.2
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.
The void ratio of a soil is 1.2. Determine the bulk and effective unit weights at, first 75%, second 95%, and 100% saturation. What is the percentage error in the bulk unit weight if the soil is 95% saturated but assumed to be 100% saturated?
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.
Calculate the zero-air-void unit weights (kN/m³) for a soil with Gs = 2,68 at moisture contents of 5, 10, 15, 20, and 25%. Draw a curve y for moisture content....
A saturated soil has a void ratio of 0.6 and specific gravity of 2.8. Compute the value of (a) the saturated unit weight, and (b) dry unit weight. Use only units of ft and lb.
A dry sand is placed in a container having a volume of 0.30 ft3. The dry weight of the sample is 31 lb. Water is carefully added to the container so as not to disturb the condition of the sand. When the container is filled, the combined weight of soil plus water is 38.2 lb. From these data, compute the void ratio of the soil in the container and the specific gravity of the soil particles. Also, determine the wet and dry unit weights, in kN/m3 and pcf.
A sand-cone in place unit test was conducted on the field during the construction of a proposed embankment. The following data were obtained. moisture content=12.8% weight of sand to fill the funnel=320 g weight of wet soil from test hole=750 g unit weight of sand=15.4 kN/m3 weight of sand used to fill test hole and funnel of sand-cone device=870 g a) compute the wet unit weight of soil (Ans. 21.14 kN/m3) b) compute the dry unit weight of the compacted soil (Ans. 18.74 kN/m3) c) compute the relative compaction in the field if the maximum dry unit weight of the soil is 21.3 kN/m3. (Ans. 87.98%)
consolidated drained triaxial test was conducted on a granular soil. At failure (σ1^')/(σ3^' ) = 4.0. The effective minor principal stress at failure was 100 kN/m2. Compute angle of friction^' in degrees. a. 39 b. 41 c. 37 d. 35