A soil mass has kx=810^-7cm/s and ky=410^-7cm/s. The effective permeability of the soil is ______

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If the effective permeability k’ is 6*10^-7cm/s and ky=4*10^-7cm/s, then kx is equal to ________

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For an anisotropic soil, the permeability in the horizontal and vertical direction are kx and ky respectively. What will be the effective permeability of the soil?

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The coefficient of permeability is 6*10^-7cm/s for a soil with a certain liquid. If the viscosity is reduced to half, then the coefficient of permeability is __________

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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If at interface of dissimilar soils, k1=9×10^-7 cm/s and k2=4×10^-7 cm/s. The deflection of flow lines at interface has θ1=30°, then θ2 will be _______

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If a fully saturated soil mass has a water content of 100%, then its void ratio is _________

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Water is flowing at a rate of 0.04 m^3/s in a soil sample of 12m thick and cross section of 50m^2. The coefficient of permeability is 1.6*10^-3m/s. The submerged unit weight γ’=9.59 kN/m^3. Calculate the effective pressure if flow is in upward direction.

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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Water is flowing at a rate of 0.04 m^3/s in a soil sample of 12m thick and cross section of 50m^2. The coefficient of permeability is 1.6*10^-3m/s. The submerged unit weight γ’=9.59 kN/m^3. Calculate the effective pressure if flow is in downward direction.

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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The laplacian form of equation for anisotropic soil is ______

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If the coefficient of permeability of soil is 9*10^-7cm/s and porosity is 0.33, then its coefficient of percolation is ______

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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Water is flowing at a rate of 0.04 m^3/s in a soil sample of 12m thick and cross section of 50m^2. The coefficient of permeability is 1.6*10^-3m/s. What will be the seepage pressure?

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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Water is flowing at a rate of 0.04 m^3/s in a soil sample of 12m thick and cross section of 50m^2. The coefficient of permeability is 1.6*10^-3m/s. What will be the seepage force?

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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Water is flowing at a rate of 0.04 m^3/s in a soil sample of 12m thick and cross section of 50m^2. The coefficient of permeability is 1.6*10^-3m/s. What will be the seepage force per unit volume?

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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The deflection of flow lines at interface of dissimilar soils is given by ______

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For an anisotropic soil ________ is true.

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The actual flow net for anisotropic soil will have orthogonal set of curves.

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If a soil has a voids ratio of 0.68 and water percolating through it has a discharge velocity of 1.35*10^-2cm/s. Calculate its seepage velocity.

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Calculate the height of water table rise in soil mass from a sand stratum of 12m deep from ground level, at which the effective pressure is zero. The water percolates through a soil mass of thickness 5m. The γsat=18.6 kN/m^3 and γw=9.81 kN/m^3.

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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If the soil has discharge velocity is 9*10^-7cm/s and the voids ratio of 0.5, then the seepage velocity will be _______

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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If the discharge velocity is 1.35*10^-2cm/s and seepage velocity is 3.95*10^-2cm/s of water through a soil, then what will be its voids ratio?

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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In a tube well of 20cm diameter in a soil with coefficient of permeability of 4.15 * 10^-4m/s, drawdown is 4m and aquifer is 30m thick. If radius of influence is 245m, what is the discharge in each well?

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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If the coefficient of percolation is 18*10^-7cm/s and void ratio is 0.5, then the coefficient of permeability k is _________

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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The coefficient of permeability of the two soil layers 1 and 2 in soil deposit is 9*10^-7 cm/s and 4*10^-7 cm/s respectively. The thickness of the layers is equal. The value of average permeability perpendicular to bedding planes is ________

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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The coefficient of permeability of the two soil layers 1 and 2 in soil deposit is 9*10^-7 cm/s and 4*10^-7 cm/s respectively. The thickness of the layers is equal. The value of average permeability parallel to bedding planes is ________

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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If the discharge velocity is 4*10^-7cm/s and the porosity is 33%, then the seepage velocity will be _______

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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If a soil has a submerged unit weight of 10.69 kN/m^3, what will be its critical hydraulic gradient?

asked Feb 8, 2022 in Geotechnical Engineering I by Sophia (102k points)

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