An explanation of the void ratio and permeability relationship

Q: If porosity is 0.3 find void ratio.

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Q: Problem 3: For a sandstone reservoir, calculate the water saturation if the porosity (Ø) is (20 %),…

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Q: What do you mean by void ratio and porosity

A: given terms: void ratio and porosity

Q: 7 ft layer of clay is buried beneath a 10 ft layer of compact granular soil. Compact sand underlies…

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Q: The backfill material for a vibroflotation project has the following grain sizes: D10 = 0.11 mm,…

A: We have to find the suitability number of the backfill material for a vibroflotation project has the…

Q: In consolidation test, we can find the (Cc, Cr, oc) from pressure - void ratio curve O Ture O Fulse

A: Introduction : The Consolidation Test is used to calculate the rate and degree of soil settling.…

Q: Which rock elasticity parameter is sensitive to the presence of gas in the pores/cavities in the…

A: A viscous compressible fluid has been assumed to be in contact with the rock, as before. Poisson's…

Q: Determine the value of void ratio if porosity 0.423

A: Introduction : The given question is related with soil mechanics . In this question we are provided…

Q: A saturated clay specimen is subjected to a pressure of 240 kN/m2. After the lapse of a time, it is…

A: step 1-

Q: the ultimate consolidation ent (expressed in mm) of the clay

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Q: Define the Determination of preconsolidation pressure ?

A: Soil has the ability to retain the effect of different stresses that have taken place in its…

Q: Problem E A 4-meter-thick sand overlies a thick layer of clay. The water table is 1.80 meters below…

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Q: Derive the dimensions proportion (b/d) for the minimum seepage losses cross section of trapezoidal…

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Q: Borings indicate that at a Staten Island, NY site, the top 6 meters is a 2) loose sand with a…

A: Given data  Unit weights Clay Sand Depths

Q: For a sandstone reservoir rock saturated 100% with water with bulk density of 2.31 g/c. Calculate…

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Q: The height of the capillary rise of water increases as particle diameter increases True O False O…

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Q: a void ratio of 0.41. The m m³. Compute the specific

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Q: Discuss the different criteria that is normally employed in the classification of metamorphic rock.

A: Metamorphic  Rocks The igneous rocks are formed from other rocks that are altered beneath the…

Q: The time required for a 50% consolidation of a 25 mm thick layer (drained at both and bottom) in the…

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Q: B. What is effective stress (give equation). If the depth is 1km, the bulk density is 2500kg/m3 and…

A: Given data: d=1 kmγb=2500 kg/m3μ=20 MPa

Q: Determine the void ratio if porosity 0.531

A: The given question is related with geotechnical engineering . In this question we are provided with…

Q: Slump Test

A: This test is used for fresh concrete before placing it in the required position.Slump test is done…

Q: Determine the equivalent liquid permeability for a core sample taken from a sandstone formation.…

A: Equivalent liquid permeability: When all the lines interpolated to the mean pressure and in the…

Q: Calculate the effective stress in kPa for a soil element at a depth of 5 m from the uniform deposit.…

A: Effective stress is 53.2 Kpa  Total stress is  82.6 kpa  Pore waster pressure is 29.4 kpa

Q: topic: geotechnical engineering The ground water level in a thick, very fine sand deposit is…

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Q: A site is underlain by a saturated clay layer with thickness = 5m. A sample extracted from the…

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Q: In a consolidation test, the void ratio of the specimen which was 1.052 under the effective pressure…

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Q: What is the critical void ratio?

A: It the maximum or minimum void ratio.

Q: In sieve analysis, sand is O passing No.4 and retained at No.200 O passing No 200 O retained at No.4…

A: In seive analysis Sand passes through 4.75 mm seive i.e No.4 and is retained on 0.075 mm seive i.e…

Q: True (T) or False (F): The coefficient of consolidation varies with the change in pressure. Also…

A: The coefficient of consolidation can be defined as it is a parameter that is used to define the rate…

Q: In a drained triaxial test on consolidated clay the stress and angle are as follows: Deviator stress…

A: Given: Deviator stress = 20 lb/in2 Internal friction angle = 21°

Q: How to use saturation method to measure the porosity？

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Q: 2. Sand at a given relative density has a friction angle of approximately 33° (relatively low…

A: Solution Given data Friction angle ϕ= 330 Pore pressure= 5 KPa unit weight γ= 18 KN/m3

Q: Explain the Stress Path for Tests in Consolidated–Undrained Conditions.

A: Consolidated–Undrained Condition (CU Test) : a)In a consolidated- undrained test, the specimen is…

Q: which is bigger, porosity or void ratio?

A: porosity and void ratio

Q: point load of magnitude 200kN is concentrated at a (horizontal) distance above the ground about 4m…

A: apply boussinesqs equation

Q: Determine void ratio if porosity 0.39

A: The given question is related with geotechnical engineering . In this question we are provided with…

Q: Describe about the Unconsolidated–undrained (U–U) triaxial test data relationship between total…

A: The process of determining the maximum axial compressive stress the specimen can bear at zero…

Q: Write a brief note about stresses in soil layers. And the effect of degree of saturation on…

A: When a pressure is applied to the system, the liquid throughout the openings and also the hard…

Q: The layer is subjected to a uniform vertical stress increase of 100 kPa. The singly-drained clay…

A: Given:- The increase in vertical stress = 100 kPa A coefficient of consolidation for single-drained…

Q: PETERNET the effective pressure of 207 kN/m2, changed to 0.932 when the pressure was increased to…

A: Given- Initial void ratio eo=1.052void ratio after compression e1=0.932intial effective pressure…

Q: consolidation. How many days will a 2 m thick layer of identical clay sandwiched between sand layers…

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Q: The fresh mix with 5mm slump magnitude is more likely to get segregated *

A: Slump refers to general drop of the concrete mass evenly all around without disintegration. Shear…

Q: mil has a compression index of 0.25. It's void ratio at a stress of 10 kN/m2 is 0 kN/m2, then the…

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Q: An exploratory drill hole was made in a saturated stiff clay having a water content of 32%. It was…

A: The given data is: w=32% =0.32 G=2.7 As clay is saturated, S=1 γw=9.81 KN/m3 H=11 m

Q: In a laboratory compression test, the void ratio changes from 1.55 to 1.36 as loading increases…

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Q: What is void ratio? In geotechnical engineering

A: The volume of voids divided by the volume of solids is the void ratio of a mixture. In materials…

Q: Define the term critical void ratio.

A: When a sample of sand is either in loose state or in dense state, when acted upon by shearing stress…

Pressure and Stress