Recent questions tagged permeability / GO Civil

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GATE2019 CE-2: 17
An anisotropic soil deposit has coefficient of permeability in vertical and horizontal directions as $k_z$ and $k_x$, respectively. For constructing a flow net, the horizontal dimension of the problem’s geometry is transformed by a multiplying factor of $\sqrt{\dfrac{k_z}{k_x}} \\$ $\sqrt{\dfrac{k_x}{k_z}} \\$ $\dfrac{k_x}{k_z} \\$ $\dfrac{k_z}{k_x}$

An anisotropic soil deposit has coefficient of permeability in vertical and horizontal directions as $k_z$ and $k_x$, respectively. For constructing a flow net, the horiz...

Arjun

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Arjun asked Feb 12, 2019

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GATE2019 CE-2: 53
Constant head permeability tests were performed on two soil specimens, $S1$ and $S$. The ratio of height of the two specimens $(L_{S1}: L_{S2})$ is $1.5$, the ratio of the diameter of specimens $(D_{S1}: D_{S2})$ is $0.5$, and the ratio of the ... $(k_{S1}: k_{S2})$ is _____

Constant head permeability tests were performed on two soil specimens, $S1$ and $S$. The ratio of height of the two specimens $(L_{S1}: L_{S2})$ is $1.5$, the ratio of th...

Arjun

13.0k points

Arjun asked Feb 12, 2019

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3

GATE2015-1-41
A non-homogeneous soil deposit consists of a silt layer sandwiched between a fine-sand layer at top and a clay layer below. Permeability of the silt layer is $10$ times the permeability of the clay layer and one-tenth of the permeability of ... third of the thickness of the clay layer. The ratio of equivalent horizontal and equivalent vertical permeability of the deposit is _________.

A non-homogeneous soil deposit consists of a silt layer sandwiched between a fine-sand layer at top and a clay layer below. Permeability of the silt layer is $10$ times t...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 26, 2018

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GATE Civil 2013 | Question: 36
The soil profile below a lake with water level at elevation $=0$ m and lake bottom at elevation $=-10$ m is shown in the figure, where $k$ is the permeability coefficient. A piezometer (stand pipe) installed in the sand layer shows a reading of $+10$ m elevation. Assume that the ... $2.0 \times 10^{-6}$ $1.0 \times 10^{-6}$ $0.5 \times 10^{-6}$

The soil profile below a lake with water level at elevation $=0$ m and lake bottom at elevation $=-10$ m is shown in the figure, where $k$ is the permeability coefficient...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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GATE Civil 2012 | Question: 36
Two soil specimens with identical geometric dimensions were subjected to failing head permeability tests in the laboratory under identical conditions. The fall of water head was measured after an identical time interval. The ratio of initial to final water heads for the test ... water heads in the test involving the second specimen is $3.05$ $3.80$ $4.00$ $6.25$

Two soil specimens with identical geometric dimensions were subjected to failing head permeability tests in the laboratory under identical conditions. The fall of water h...

Milicevic3306

11.9k points

Milicevic3306 asked Mar 25, 2018

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GATE2018 CE-2: 33
Three soil specimens (Soil $1$, Soil $2$ and Soil $3$), each $150$ mm long and $100$ mm diameter, are placed in series in a instant head flow set-up as shown in the figure. Suitable screens are provided at the boundaries of the specimens to keep them intact. The values of ... and $0.03$ cm/s, respectively. The value of $h$ in the set-up is $0$ mm $40$ mm $255$ mm $560$ mm

Three soil specimens (Soil $1$, Soil $2$ and Soil $3$), each $150$ mm long and $100$ mm diameter, are placed in series in a instant head flow set-up as shown in the figur...

gatecse

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gatecse asked Feb 17, 2018

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