Sand cone equipment is used to performField density test on a compactedarth fil.Soil sample dug from the test hole= 19.88 NDry weight of soil sample = 17.92 NOttawa sand used to fill the hole weighs16.05 N and is known to have a densityof 15.74 HN/m.Which of the following gives the watercontent of the tested soil?O a. 15.45%O b. 12.08%O c. 14.96%O d. 10.94%e.11.12%

Weight of soil=19.88N Weight of dry soil=17.92N

Answered: pand cone equipment is Used to perform…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A technician obtained a soil porosity of 1.5. It is okay because it is possible to measure porosity values above 1. true or false
A triaxial test is performed on a normally consolidated clay. The sample is further consolidated by the test of all-around confining pressure prior to application of the axial load. The axial force is then applied very slowly. The equipment pore pressure lines remain open so that drainage of soil pore water can occur during the test. (The described conditions outline the procedure for a consolidated–drained-type test.) The sample fails (shears) when the σ3 pressure is 21 kPa and the s1 value is 61 kPa. From these data, determine the angle of internal friction for the effective stress strength–failure envelope (that is, determine fCD).
q.1Explain the stresses applied to the soil sample during the triaxial test. B) How do we apply confining pressure to the soil specimen during the triaxial test.?
3- A series of standard Proctor compaction tests were performed on soil and the obtained results are presented in Figure below. The volume of the standard mould was 1 x 10³ m³ and Gs = 2.65. 1.82 1.80 1.78 1.76 What is the degree of saturation of the sample compacted to the maximum dry density? Estimate the volume of air (in m3) in the sample compacted to 15% water content. The void ratio of this soil in its loosest state is 1.74 1.72 1.70 1.68 1.66 0.623. Estimate the relative density of the soil sample compacted to 11% water content? 10 11 12 13 14 15 16 17 18 19 20 21 22 Water content (%) Dry density (g cm-3)
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A sample of moist sand was subjected to a series of triaxial tests. The soil fails under the following stresses Cell pressure, σ3 Plunger stress, σd Sample 1 11 kPa 20 kPa Sample 2 26 kPa 31 kPa What is the angle of internal friction and cohesion of the soil? Please answer this asap. For upvote. Thank you very much
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An undisturbed sample of fine sand is tested in the laboratory and found to have a dry mass of 4.63 kg, a total volume of 0.00198 m³ and a specific gravity of 2.70. Other laboratory tests are performed to determine the maximum and minimum density of the sand. At the maximum density, it is determined that the void ratio is 0.35 at the minimum density, the void ratio is 0.95. A. Compute the void ratio of the sand. B. Compute the relative density of the undisturbed sample. C. Compute the dry density in Mg/m³.
OMC-Proctor's Test A sample of dry sand has a volume of 1000 ml in its natural state. Its minimum volume when compacted is 750 ml. When gently poured into a measuring cylinder, its possible maximum volume is 1320 ml. what is the relative density?
A cylindrical specimen of dry sand with a minimum and maximum void ratio (emin and emax) of 0.5 and 0.8 respectively has a relative density of 45%. If the specimen is compacted such that the relative density is 60%, what will be the decrease in height of the sample if the initial height was 15cm? Assume that the specimen diameter remains constant such that any volume change occurs only as a change in height.
Q # 1. Organic soils are typically characterized by high void ratio, low specific gravity, and high compressibility. Following are the results of a consolidation test on a sample of organic soil. Pressure, o (kN/m2) Change in dial reading, AH (mm) 0.284 12 0.150 24 0.315 48 0.564 100 0.823 200 2.25 400 5.34 Given that the initial height of the specimen = 20.6 mm, mass of dry specimen = 12 g, area of specimen = 31.67 cm2 and G, = 2.49. Plot the e, log o' curve. b. Determine the preconsolidation pressure. a.

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