Q5A piece of sandstone with a bulk volume of 1.3 cc is contained in a5-cc cell filled with helium at 760 mm Hg. Temperature ismaintained constant and the cell is opened to another evacuatedcell the same volume. The final pressure in the two vessels is334.7 mm Hg. What is the porosity of the sandstone?

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Answered: Q5 A piece of sandstone with a bulk…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter12: Shear Strength Of Soil

Section: Chapter Questions

Problem 12.18P

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I need the problem 3 in Handwritten
STATEMENTS: A - an increase in volume is expected in 2:1 expanding type of clay when wet/saturated with water. B - cracking is expected when an expanding type of clay dries. A- both statements are trueB- neither statements are trueC- only statement A is true D- only statement B is true
نقطة واحدة نقطة واحدة نقطة واحدة The height of the capillary rise of water increases as particle diameter increases True O False O Normal fault is generated by compressive force True O False O The porosity is the ratio of void volume to total volume True O False O
A 0.005-g sample of a rock is to be analyzed, and iron is to be determined at the ppm level. Determine the tye of analysis and type of constituent.
What is the equivalent constrained modulus in psf if the initial stress is 418 psf, the change in stress is 1204 psf, and the maximum past pressure is 418 psf? The initial void ratio is 1.29. The compression index is 0.26.
A CID TXC test was performed on a sample of sand. At the end of consolidation, the back pressure was 140 kPa, and the cell pressure was 340 kPa. At failure, the deviator stress was (ơ1 – 03)f = 200 kPa. a. What was the total pore water pressure, u, at failure? b. Calculate the principle effective stresses, ơi' and os', at failure. c. Calculate the friction angle, d', for this soil.
Question 4.12 A cube of reservoir rock with sides of 2.5 ft has a single vertical fracture of width 0.35 that passes completely through the rock. The matrix permeability is 1 mD. a) What is the permeability of the fracture (in D)? b) What is the average permeability of the cube if the flow is in the direction parallel to the fracture (in mD)? c) What is the average permeability of the cube if the flow is in the direction normal to the fracture (in mD)?
Please answer question 7
A Cone shape container was filled with a mixture of 35% 0.4 m sandstone powder and 65% concrete. The initial porosity of the mixture inside the container was found to be 0.30. Find ↑ 5- Unit weight of the mixture (kN/m³) 1.5 m a) 26.31 b) 20.26 c) 30.04 d) 35.61 6- The density of the mixture inside the container (kg/m³) a) 14179 b) 18419 c) 20511 d) 23121 7- if the mixture is compressed to maximum, how much will be the subsidence in (m) inside the cone container. a) 0.35 b) 0.45 c) 0.55 d) 0.25
3
Given the following lab data, calculate the pore volume compressibility for a sandstone sample at 4,000 and 6,000 psi. Pore volume of the sandstone sample is 50 cm3. Pressure, psi Vol. fluid expelled, cm3 1000 0.244 2000 0.324 3000 0.392 4000 0.448 5000 0.5 6000 0.546 7000 0.596 8000 0.63
In sieve analysis, sand is O passing No.4 and retained at No.200 O passing No 200 O retained at No.4 and passing at No. 200 O passing No 10

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