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Recent questions tagged soilmechanics
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1
GATE2020CE122
In a drained triaxial compression test, a sample of sand fails at deviator stress of $150\:kPa$ under confining pressure of $50\:kPa$. The angle of internal friction (in degree, round off to the nearest integer) of the sample, is ______
asked
Feb 28, 2020
in
Soil Mechanics
by
jothee
(
5.2k
points)
gate2020ce1
soilmechanics
geotechnicalengineering
characteristicsofsand
numericalanswers
0
votes
0
answers
2
GATE2020 CE26
The state of stress represented by Mohr’s circle shown in the figure is uniaxial tension biaxial tension of equal magnitude hydrostatic stress pure shear
asked
Feb 13, 2020
in
Soil Mechanics
by
jothee
(
5.2k
points)
gate2020ce2
soilmechanics
geotechnicalengineering
mohr'scircle
stresspaths
0
votes
0
answers
3
GATE2020 CE210
Soil deposit formed due to transportation by wind is termed as aeolian deposit alluvial deposit estuarine deposit lacustrine deposit
asked
Feb 13, 2020
in
Soil Mechanics
by
jothee
(
5.2k
points)
gate2020ce2
soilmechanics
geotechnicalengineering
soilstructure
aeoliandeposit
0
votes
0
answers
4
GATE2020 CE211
A sample of $500\:g$ dry sand, when poured into a $2$ litre capacity cylinder which is partially filled with water, displaces $188\:cm^3$ of water. The density of water is $1\:g/cm^3.$ The specific gravity of the sand is $2.72$ $2.66$ $2.55$ $2.52$
asked
Feb 13, 2020
in
Soil Mechanics
by
jothee
(
5.2k
points)
gate2020ce2
geotechnicalengineering
soilmechanics
specificgravity
0
votes
0
answers
5
GATE2020 CE222
A soil has dry unit weight of $15.5\: kN/m^3$, specific gravity of $2.65$ and degree of saturation of $72\: %.$ Considering the unit weight of water as $10\: kN/m^3$, the water content of the soil (in $\%$ round off to two decimal places) is __________.
asked
Feb 13, 2020
in
Soil Mechanics
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
soilmechanics
quicksandcondition
0
votes
0
answers
6
GATE2020 CE234
Permeability tests were carried out on the samples collected from two different layers as shown in the figure (not drawn to the scale). The relevant horizontal $(k_h)$ and vertical $(k_v)$ coefficients of permeability are indicated for each layer. The ratio of the equivalent horizontal to vertical coefficients of permeability, is $37.29$ $80.20$ $68.25$ $0.03$
asked
Feb 13, 2020
in
Soil Mechanics
by
jothee
(
5.2k
points)
gate2020ce2
coefficientofpermeability
soilmechanics
geotechnicalengineering
0
votes
0
answers
7
GATE2020 CE235
A $10\ m$ high slope of dry clay soil $\text{( unit weight}\: = 20 kN/m^3$), with a slope angle of $45^{\circ}$and the circular slip surface, is shown in the figure (not drawn to the scale). The weight of the slip wedge is denoted by $W$. The undrained unit cohesion $(c_u)$ is $60\: kPa$. The factor of safety of the slope against slip failure, is $1.84$ $1.57$ $0.58$ $1.67$
asked
Feb 13, 2020
in
Geotechnical Engineering
by
jothee
(
5.2k
points)
gate2020ce2
geotechnicalengineering
characteristicsofclay
soilmechanics
0
votes
0
answers
8
GATE2017 CE24
Let $G$ be the specific gravity of soil solids, $w$ the water content in the soil sample, $\gamma_w$ the unit weight of water, and $\gamma_d$ ... $\gamma_d = \dfrac{Gw}{1 + \gamma_w} \\$ $\gamma_d = \dfrac{Gw}{1  \gamma_w}$
asked
Aug 7, 2019
in
Soil Mechanics
by
gatecse
(
4k
points)
gate2017ce2
soilmechanics
geotechnicalengineering
compactionofsoils
0
votes
0
answers
9
GATE2017 CE25
Consider the following statements related to pore pressure parameters, $A$ and $B$: $A$ always lies between $0$ and $1.0$ $A$ can be less than $0$ or greater than $1.0$ $B$ always lies between $0$ and $1.0$ $B$ can be less than $0$ or greater than $1.0$ For these statements, which of the following options is correct? P and R P and S Q and R Q and S
asked
Aug 7, 2019
in
Soil Mechanics
by
gatecse
(
4k
points)
gate2017ce2
geotechnicalengineering
soilmechanics
porepressure
0
votes
0
answers
10
GATE2017 CE235
Following are the statements related to the stress paths in a triaxial testing of soils: If $\sigma_1 = \sigma_3$, the stress point lies at the origin of the $pq$ plot If $\sigma_1 = \sigma_3$, the stress point lies on the $p$axis of the $pq$ plot If $\sigma_1 > \sigma_3$, ...  True P  True; Q  False; R  True P  False; Q  True; R  False P  True; Q  False; R  False
asked
Aug 7, 2019
in
Soil Mechanics
by
gatecse
(
4k
points)
gate2017ce2
soilmechanics
geotechnicalengineering
stresspaths
0
votes
0
answers
11
GATE2019 CE1: 17
In a soil specimen, the total stress, effective stress, hydraulic gradient and critical hydraulic gradient are $\sigma, \: \sigma’$, $i$ and $i_c$, respectively. For initiation of quicksand condition, which one of the following statements is TRUE? $\sigma’ \neq 0$ and $i=i_c$ $\sigma’ = 0$ and $i=i_c$ $\sigma’ \neq 0$ and $i \neq i_c$ $\sigma = 0$ and $i=i_c$
asked
Feb 14, 2019
in
Soil Mechanics
by
Arjun
(
8.7k
points)
gate2019ce1
soilmechanics
geotechnicalengineering
quicksandcondition
0
votes
0
answers
12
GATE2019 CE1: 24
A soil has specific gravity of its solids equal to $2.65$. The mass density of water is $1000 \: kg/m^3$. Considering zero air voids and $10 \%$ moisture content of the soil sample, the dry density (in $kg /m^3$, round off to $1$ decimal place) would be ______
asked
Feb 14, 2019
in
Soil Mechanics
by
Arjun
(
8.7k
points)
gate2019ce1
numericalanswers
soilmechanics
geotechnicalengineering
0
votes
0
answers
13
GATE2019 CE1: 53
A granular soil has a saturated unit weight of $20 \:kN/m^3$ and an effective angle of shearing resistance of $30^{\circ}$. The unit weight of water is $9.81 \: kN/m^3$. A slope is to be made on this soil deposit in which the seepage occurs ... seepage condition for a factor of safety of $1.5$, the safe slope angle (in degree, round off to $1$ decimal place) would be ________
asked
Feb 14, 2019
in
Soil Mechanics
by
Arjun
(
8.7k
points)
gate2019ce1
numericalanswers
soilmechanics
geotechnicalengineering
seepagethroughsoils
0
votes
0
answers
14
GATE2019 CE2: 16
The notation “SC” as per Indian Standard Soil Classification System refers to Sandy clay Silty clay Clayey silt Clayey sand
asked
Feb 12, 2019
in
Geotechnical Engineering
by
Arjun
(
8.7k
points)
gate2019ce2
geotechnicalengineering
indianstandardsoilclassificationsystem
soilmechanics
0
votes
0
answers
15
GATE2019 CE2: 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 $\sqrt{\dfrac{k_z}{k_x}} \\$ $\sqrt{\dfrac{k_x}{k_z}} \\$ $\dfrac{k_x}{k_z} \\$ $\dfrac{k_z}{k_x}$
asked
Feb 12, 2019
in
Geotechnical Engineering
by
Arjun
(
8.7k
points)
gate2019ce2
geotechnicalengineering
soilmechanics
permeability
0
votes
0
answers
16
GATE2019 CE2: 51
The dimensions of a soil sampler are given in the table. ... $2$ decimal places) is ______________
asked
Feb 12, 2019
in
Soil Mechanics
by
Arjun
(
8.7k
points)
gate2019ce2
numericalanswers
soilmechanics
seepagethroughsoils
0
votes
0
answers
17
GATE2016213
The results of a consolidation test on an undisturbed soil, sampled at a depth of $10 \: m$ ... weight of water as $10 \: kN/m^3$, the overconsolidation ratio of the soil is $0.67$ $1.50$ $1.77$ $2.00$
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce2
soilmechanics
geotechnicalengineering
consolidation
0
votes
0
answers
18
GATE2016217
The atmospheric layer closest to the earth surface is the mesosphere the stratosphere the thermosphere the troposphere
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce2
geotechnicalengineering
soilmechanics
atmosphericlayer
0
votes
0
answers
19
GATE2016240
The seepage occurring through an earthen dam is represented by a flownet comprising of $10$ equipotential drops and $20$ flow channels. The coefficient of permeability of the soil is $3 \: mm/min$ and the head loss is $5 \: m$. The rate of seepage (expressed in $cm^3/s$ per $m$ length of the dam) through the earthen dam is _________
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce2
numericalanswers
soilmechanics
geotechnicalengineering
seepagethroughsoils
coefficientofpermeability
0
votes
0
answers
20
GATE2016243
Water flows from P to Q through two soil samples, Soil $1$, Soil $2$, having cross sectional area of $80 \: cm^2$ as shown in the figure. Over a period of $15$ minutes, $200$ ml of water was observed to pass through any crosssection. The flowconditions ... of permeability of Soil $1$ is $0.02$ mm/s, the coefficient of permeability of Soil $2$ (expressed in mm/s) would be _________
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce2
numericalanswers
soilmechanics
geotechnicalengineering
permeabilityonedimensionalflow
0
votes
0
answers
21
GATE2016111
In the consolidated undrained triaxial test on a saturated soil sample, the pore water pressure is zero during shearing stage only at the end of consolidation stage only both at the end of consolidation and during shearing stages under none of the above conditions
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce1
soilmechanics
geotechnicalengineering
consolidation
0
votes
0
answers
22
GATE2016112
A fine grained soil is found to be plastic in the water content range of $26 – 48 \%$. As per Indian Standard Classification System, the soil is classified as CL CH CLML CI
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce1
soilmechanics
geotechnicalengineering
grainedsoil
indianstandardsoilclassificationsystem
0
votes
0
answers
23
GATE2016140
The porosity (n) and the degree of saturation (S) of a soil sample are $0.7$ and $40 \%$ respectively. In a $100\:m^3$ volume of the soil, the volume (expressed in $m^3$) of air is __________
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce1
numericalanswers
soilmechanics
geotechnicalengineering
porosity
0
votes
0
answers
24
GATE2016142
An undisturbed soil sample was taken from the middle of a clay layer (i.e., $1.5$ ... level. Assuming unit weight of water as $10 kN/m^3$, the ultimate consolidation settlement (expressed in mm) of the clay layer is _______
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce1
numericalanswers
soilmechanics
geotechnicalengineering
undisturbedsoilsample
0
votes
0
answers
25
GATE2016143
A seepage flow condition is shown in the figure. The saturated unit weight of the soil $\gamma_{sat}=18 \: kN/m^3$. Using unit weight of water, $\gamma_w=9.81 \: kN/m^3$, the effective vertical stress (expressed in $kN/m^2$) on plane $XX$ is _______
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce1
numericalanswers
soilmechanics
geotechnicalengineering
seepageflow
0
votes
0
answers
26
GATE2016144
A drained triaxial compression test on a saturated clay yielded the effective shear strength parameters as $c’=15$ kPa and $\phi’=22^{\circ}$. Consolidated Undrained triaxial test on an identical sample of this clay at a cell pressure of $200$ kPa developed a pore water pressure of $150$ kPa at failure. The deviator stress (expressed in kPa) at failure is ________
asked
Mar 28, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce1
numericalanswers
soilmechanics
geotechnicalengineering
shearstrengthparameters
0
votes
0
answers
27
GATE2017 CE1: 8
Group I lists the type of gain or loss of strength in soils. Group II lists the property or process responsible for the loss or gain of strength in soils. ... $P3, \: Q2; \: R1, \: S4$ $P4, \: Q2; \: R1, \: S3$
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2017ce1
soilmechanics
geotechnicalengineering
strengthinsoils
0
votes
0
answers
28
GATE2017 CE1: 9
A soil sample is subjected to a hydrostatic pressure, $\sigma$. The Mohr circle for any point in the soil sample would be a circle of radius $\sigma$ and center at the origin a circle of radius $\sigma$ and center at a distance $\sigma$ from the origin a point at a distance $\sigma$ from the origin a circle of diameter $\sigma$ and center at the origin
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2017ce1
soilmechanics
geotechnicalengineering
mohrcircle
0
votes
0
answers
29
GATE2017 CE1: 22
A $3 \: m$ thick clay layer is subjected to an initial uniform pore pressure of $145 \: kPa$ as shown in the figure. For the given ground conditions, the time (in days, rounded to the nearest integer) required for $90 \%$ consolidation would be ________
asked
Mar 26, 2018
in
Geotechnical Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
numericalanswers
geotechnicalengineering
soilmechanics
characteristicsofclay
0
votes
0
answers
30
GATE2017 CE1: 36
The laboratory tests on a soil sample yields the following results: natural moisture content $=18 \%$, liquid limit $=60 \%$, plastic limit $=25 \%$, percentage of clay sized fraction $=25\%$. The liquidity index and activity (as per the expression proposed by Skempton) of the soil, respectively, are $0.2$ and $1.4$ $0.2$ and $1.4$ $1.2$ and $0.714$ $1.2$ and $0.714$
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2017ce1
soilmechanics
geotechnicalengineering
liquidityindex
0
votes
0
answers
31
GATE2017 CE1: 50
A consolidated undrained $(\overline{CU})$ triaxial compression test is conducted on a normally consolidated clay at a confining pressure of $100$ kPa. The deviator stress at failure is $80$ kPa, and the porewater pressure measured at failure is $50$ kPa. The effective angle of internal friction (in degrees, up to one decimal place) of the soil is __________
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2017ce1
numericalanswers
geotechnicalengineering
soilmechanics
onedimensionalconsolidation
0
votes
0
answers
32
GATE2015212
If the water content of a fully saturated soil mass is $100\%$, the void ratio of the sample is: less than specific gravity of soil equal to specific gravity of soil greater than specific gravity of soil independent of specific gravity of soil
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce2
soilmechanics
geotechnicalengineering
saturaedsoilmass
0
votes
0
answers
33
GATE2015237
A $588 \: cm^3$ volume of moist sand weighs $1010$ gm. Its dry weight is $918$ gm and specific gravity of solids, $G$ is $2.67$. Assuming density of water as $1 \: gm/cm^3$, the void ratio is _________.
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce2
numericalanswers
geotechnicalengineering
soilmechanics
specificgravity
0
votes
0
answers
34
GATE2015111
A finegrained soil has $60 \%$ (by weight) slit content. The soil behaves as $\textit{semisolid}$ when water content is between $15 \%$ and $28 \%$. The soil behaves $\textit{fluidlike}$ when the water content is more than $40 \%$. The $’\textit{Activity}\:’$ of the soil is $3.33$ $0.42$ $0.30$ $0.20$
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce1
soilmechanics
geotechnicalengineering
moisturecontenttest
0
votes
0
answers
35
GATE2015113
Which of the following statements is TRUE for degree of disturbance of collected soil sample? Thinner the sampler wall, lower the degree of disturbance of collected soil sample Thicker the sampler wall, lower the degree of disturbance of collected soil ... sample are unrelated The degree of disturbance of collected soil sample is proportional to the inner diameter of the sampling tube
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce1
soilmechanics
geotechnicalengineering
0
votes
0
answers
36
GATE2015115
Which of the following statements is NOT correct? Loose sand exhibits contractive behavior upon shearing Dense sand when sheared under undrained condition, may lead to generation of negative pore pressure Black cotton sild exhibits expansive behavior Liquefaction is ... soil near the downstream side of dams or sheetpiles loses its shear strength due to high upward hydraulic gradient
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce1
geotechnicalengineering
soilmechanics
characteristicsofsand
0
votes
0
answers
37
GATE2015138
An earth embankment is to be constructed with compacted cohesionless soil. The volume of the embankment is $5000 \: m^3$ and the target dry unit weight is $16.2 \: kN/m^3$. Three nearby sites (see figure below) have been identified from where the required soil can be transported to ... solution (Use unit weight of water $= 10 \: kN/m^3$). Site $X$ Site $Y$ Site $Z$ Any of the sites
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce1
soilmechanics
geotechnicalengineering
earthembankment
voidratio
0
votes
0
answers
38
GATE2015139
A water tank is to be constructed on the soil deposit shown in the figure below. A circular footing of diameter $3$ m and depth of embedment $1$ ... the load dispersion pattern as $2V:1H$. The expected settlement of the tank due to primary consolidation of the clay layer is _________ mm.
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce1
numericalanswers
soilmechanics
geotechnicalengineering
0
votes
0
answers
39
GATE2015141
A nonhomogeneous soil deposit consists of a silt layer sandwiched between a finesand layer at top and a clay layer below. Permeability of the silt layer is $10$ times the permeability of the clay layer and onetenth 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 _________.
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2015ce1
numericalanswers
soilmechanics
geotechnicalengineering
permeability
0
votes
0
answers
40
GATE2014237
An infinitely long slope is made up of a $c\phi$ soil having the properties: cohesion $(c)=20$ kPa, and dry unit weight $(\gamma_d)=16 \: kN/m^3$. The angle of inclination and critical height of the slope are $40^{\circ}$ and $5$ m respectively. To maintain the limiting equilibrium, the angle of internal friction of the soil (in degrees) is _______
asked
Mar 26, 2018
in
Soil Mechanics
by
Milicevic3306
(
11.9k
points)
gate2014ce2
numericalanswers
geotechnicalengineering
soilmechanics
indexproperties
equilibrium
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