A permeability test is carried out on a sample of and cross section is 1500mm^ 2 a soil whose k = 3 * 10^(-1) m / s.  Briefly identify this while indicating its degree of permeability  What diameter of measuring pipe do we use knowing that the load goes from 275 mm to 200 mm in 5 min?

A specific gravity test was performed on three soil samples, and the following data were collected: Material weight of empty pycnometer weigt of dry soil weight of weight of pycnometer pycnometer Temperature + water +water+soil g Sand 1 106.6 Sand 2 106.6 Sand 3 106.6 2-a) Briefly describe the test procedure and discuss its applications in practice 2-b) The corrected specific gravity of SAND 1 G5,20 2-c) The corrected specific gravity of SAND 2 G5,20 2-d) The corrected specific gravity of SAND 3 G5,20 55.4 50 60 === === g 385.5 371 392 351 340 355 с 18 24 20

4. The permeability test as mentioned in the question above (a) was carried out twice on the same soil sample. The results of tests 1 and 2 are in Table 3. How long is the duration of test 2? Tabel 1 test 1 test 2 Unit Pipe Diameter cm Diameter of soil 15 15 cm sample length of soil sample 30 30 cm initial elevation 60 60 cm height at end of test 37 45 cm duration of test 10 ?? minutes

A permeability test is carried out on a sample of and cross section is 1500mm^ 2 a soil whose k = 3 * 10^(-1) m / s.  Briefly identify this while indicating its degree of permeability  What diameter of measuring pipe do we use knowing that the load goes from 275 mm to 200 mm in 5 min? Compare the permeability of this soil identified in question a) with that of a sandy silt. Justify your answer Compare the frost hardness of the soil identified in question a) with that of gradual sand. Between these two soils, which will be the most suitable as road fill without risk of frost swelling? Justify your answer

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A Standard Proctor test was performed on a clayey gravel soil; the test results are shown below. Find the degree of saturation at the optimum condition; assume that G; = 3.60. Test 1 2 3 4 5 6. 7 w% 3.00 4.45 5.85 6.95 8.05 9.46 9.90 1.94 2.01 2.06 2.09 2.08 2.06 2.05 ya kN/m? 19.4 20.1 20.6 20.9 20.8 20.6 20.5 Use Yw = 10 kN/m° for simplicity.

A constant head permeability test is performed on soil that is 4 cm2, and 2.5cm long. The head difference applied during the test is 20 cm and 7 cm3 is collected over a time of 100 sec. Provide step by step solution. What is the permeability based on these test conditions and results.

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Consider that a 58.7 gram sample of dry soil is used in making a mechanical analysis by using the hydrometer method. The laboratory was held at a constant temperature of 20 C (68 F). The 40 s hydrometer reading was found to be 32.5 and the 8 hr hydrometer reading was 15.5. The percentage of sand in this soil sample is (note, a 58.7 gram sample is used here): Your Answer: Answer units

P1. Answer the question correctly