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Recent questions and answers in Foundation Engineering
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1
GATE Civil 2021 Set 2  Question: 21
The internal $(d_{i})$ and external $(d_{o})$ diameters of a Shelby sampler are $\text{48 mm}$ and $\text{52 mm}$, respectively. The area ratio $(A_{r})$ of the sampler (in $\%, \textit{round off to two decimal palces}$) is ________________
asked
Mar 1
in
Foundation Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
standardandconepenetrationtest
0
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0
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2
GATE Civil 2021 Set 2  Question: 44
A rectangular footing of size $\text{2.8 m}$ $\times$ $\text{3.5 m}$ is embedded in a clay layer and a vertical load is placed with an eccentricity of $\text{0.8 m}$ as shown in the figure (not to scale). Take Bearing ... $2.5$ is ________________________
asked
Mar 1
in
Foundation Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
shallowfoundation
meyerhoffsbearingcapacitytheories
0
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0
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3
GATE Civil 2021 Set 2  Question: 45
The soil profile at a road construction site is as shown in figure (not to scale). A large embankment is to be constructed at the site. The ground water table $\text{(GWT)}$ is located at the surface of the clay layer, and the ... $\text{m}$, $\textit{round off to two decimal places}$) of the clay layer resulting from this loading will be _____________________
asked
Mar 1
in
Foundation Engineering
by
jothee
(
5.2k
points)
gatecivil2021set2
numericalanswers
settlementanalysisinclays
effectofwatertable
0
votes
0
answers
4
GATE Civil 2021 Set 1  Question: 23
The cohesion $\text{(c)}$, angle of internal friction $\left ( \phi \right )$ and unit weight $\left ( \gamma \right )$ of a soil are $15$ $\text{kPa}$, $20^{\circ}$ and $17.5$ $\text{kN/m}^3$, respectively. The maximum depth of unsupported excavation in the soil (in $\text{m}$, round off to two decimal places) is ______________
asked
Feb 20
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gatecivil2021set1
numericalanswers
friction
0
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0
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5
GATE Civil 2021 Set 1  Question: 44
The soil profile at a construction site is shown in the figure (not to scale). Ground water table $\text{(GWT)}$ is at $5 \text{ m}$ below the ground level at present. An old well data shows that the ground water table was as ... ratio $\text{(OCR)} (\textit{round off to two decimal places}$) at the midpoint of the clay layer is _____________________
asked
Feb 20
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gatecivil2021set1
numericalanswers
effectofwatertable
0
votes
0
answers
6
GATE Civil 2021 Set 1  Question: 45
A retaining wall of height $10 \text{ m}$ with clay backfill is shown in the figure (not to scale). Weight of the retaining wall is $\text{5000 kN per m}$ acting at $3.3 \text{ m}$ from the toe ... safety (round off to two decimal places) against sliding failure of the retaining wall after ignoring the passive earth pressure will be ___________________________
asked
Feb 20
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gatecivil2021set1
numericalanswers
settlementanalysisinclays
rankinesearthpressuretheory
0
votes
0
answers
7
GATE Civil 2021 Set 1  Question: 46
A combined trapezoidal footing of length $L$ supports two identical square columns $ (P_1$ and $P_{2})$ of size $0.5 \text{ m} \times 0.5\text{ m}$, as shown in the figure. The columns $P_{1}$ and $P_{2}$ carry loads of ... footing is uniform, the length of the combined footing $L$ (in $\text{m}, \textit{round off to two decimal places}$) is ____________________
asked
Feb 20
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gatecivil2021set1
numericalanswers
combinedfooting
0
votes
0
answers
8
GATE Civil 2021 Set 1  Question: 47
An unsupported slope of height $\text{15 m}$ is shown in the figure (not to scale), in which the slope face makes an angle $50^{\circ}$ with the horizontal. The slope material comprises purely cohesive soil having undrained ... of the safety against the failure of slope under undrained condition ($\textit{round off to two decimal places}$) is _____________
asked
Feb 20
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gatecivil2021set1
numericalanswers
effectofwatertable
0
votes
0
answers
9
GATE2020CE19
The Los Angeles test for stone aggregates is used to examine abrasion resistance crushing strength soundness specific gravity
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
testsonaggregates
losangelestest
0
votes
0
answers
10
GATE2020CE110
Which one of the following statements is. $\textbf{NOT}$ correct? A clay deposit with a liquidity index greater than unity is in a state of plastic consistency. The cohesion of normally consolidated clay is zero when triaxial test is conducted ... 's equation predicts higher value of vertical stress at a point directly beneath the load as compared to Westergaards's equation.
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
stressdistributioninsoil
boussinesqstheory
westergaardsstheory
0
votes
0
answers
11
GATE2020CE111
In a soil investigation work at a site, Standard Penetration Test (SPT) was conducted at every $1.5\:m$ interval upto $30\: m$ depth. At $3\:m$ depth, the observed number of hammer blows for three successive $150\:mm$ penetrations were $8,6$ and $9$,respectively. The SPT Nvalue at $3\:m$ depth, is $23$ $17$ $15$ $14$
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
standardpenetrationtest
0
votes
0
answers
12
GATE2020CE123
A fully submerged infinite sandy slope has an inclination of $30^\circ{}$ with the horizontal. The saturated unit weight and effective angle of internal friction of sand are $18\:kN/m^3$ and $38^\circ{}$ ... is parallel to the slope. Against shear failure of the slope, the factor of safety (round off to two decimal places) is ______.
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
stabilityofslopes
numericalanswers
0
votes
0
answers
13
GATE2020CE135
The soil profile at a site up to a depth of $10\:m$ is shown in the figure ( not drawn to the scale). The soil is preloaded with a uniform surcharge (q) of $70\:kN/m^2$ at the ground level. The water table is at a depth of $3\:m$ below ground level. The soil unit weight ... $kPa$) at points $P$ and $Q$, respectively, are $124$ and $204$ $36$ and $ 90$ $36$ and $126$ $54$ and $95$
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
foundationengineering
geotechnicalengineering
watertable
0
votes
0
answers
14
GATE2020CE146
A vertical retaining wall of $5\:m$ height has to support soil having unit weight of $18\:kN/m^3$ , effective cohesion of $12\:kN/m^2$, and effective friction angle of $30^\circ{}$ . As per Rankine's earth pressure theory and assuming that a ... has occurred, the lateral active thrust on the wall per meter length ( in $kN/m$ , round off to two decimal places), is __________
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
numericalanswers
rankinesearthpressuretheory
0
votes
0
answers
15
GATE2020CE148
A $10\:m$ thick clay layer is resting over a $3\:m$ thick sand layer and is submerged. A fill of $2\:m$ thick sand with unit weight of $20\:kN/m^3$ is placed above the clay layer to accelerate the rate of consolidation of the clay layer. ... settlement (in $mm$, round off to two decimal places) of the clay layer, $10$ years after the construction of the fill, is ______.
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
settlementanalysisinsandandclays
numericalanswers
0
votes
0
answers
16
GATE2020CE150
In a homogenous unconfined aquifer of area $3.00\:km^2$, the water table was at an elevation of $102.00\:m$. After a natural recharge of volume $0.90$ million cubic meter $(Mm^3)$, the water table rose to $103.20\:m$. After this recharge,ground ... $Mm^3$ and round off to two decimal places), is ______.
asked
Feb 28, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce1
watertable
foundationengineering
geotechnicalengineering
numericalanswers
0
votes
0
answers
17
GATE2020 CE246
A footing of size $2\: m \times 2\: m$ transferring a pressure of $200\: kN/m^2$, is place at a depth of $1.5\: m$ below the ground as shown in the figure (not drawn to the scale ). The clay stratum is normally consolidated. The clay has ... $\gamma_w= 10\: kN/m^3$, the primary consolidation settlement in (in mm, round off to two decimal places) of the clay stratum is ________.
asked
Feb 13, 2020
in
Foundation Engineering
by
jothee
(
5.2k
points)
gate2020ce2
numericalanswers
settlementanalysisinclays
0
votes
0
answers
18
GATE2017 CE217
The plate load test was conducted on a clayey strata by using a plate of $0.3 \: m \times 0.3 \: m$ dimensions, and the ultimate load per unit area for the plate for found to be $180$ kPa. The ultimate bearing capacity (in kPa) of a $2$ m wide square footing would be $27$ $180$ $1200$ $2000$
asked
Aug 7, 2019
in
Foundation Engineering
by
gatecse
(
4k
points)
gate2017ce2
foundationengineering
geotechnicalengineering
plateloadtest
0
votes
0
answers
19
GATE2017 CE221
A sheet pile has an embedment depth of $12$ m in a homogeneous soil stratum. The coefficient of permeability of soil is $10^{6} m/s$. Difference in the water levels between the two sides of the sheet pile is $4$ m. The flow net is constructed with ... of equipotential lines. The quantity of seepage (in $cm^3/s$ per m, up to one decimal place) under the sheet pile is _________
asked
Aug 7, 2019
in
Foundation Engineering
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
foundationengineering
geotechnicalengineering
typesofpiles
0
votes
0
answers
20
GATE2017 CE234
Two identical concrete piles having the plan dimensions $50 \: cm \times 50 \: cm$ are driven into a homogeneous sandy layers as shown in the figures. Consider the bearing capacity factor $N_q$ for $\phi = 30 ^{\circ}$ as $24$. If $Q_{P1}$ and $Q_{P2}$ represent the ultimate point ... by about $100 \%$ $Q_{P1} > Q_{P2}$ by about $5 \%$ $Q_{P1} < Q_{P2}$ by about $5 \%$
asked
Aug 7, 2019
in
Foundation Engineering
by
gatecse
(
4k
points)
gate2017ce2
foundationengineering
geotechnicalengineering
bearingcapacity
typesofpiles
0
votes
0
answers
21
GATE2017 CE241
Two plates od $8$ mm thickness each are connected by a fillet weld of $6$ mm thickness as shown in the figure. The permissible stresses in the plate and the weld are $150$ MPa and $110$ MPa, respectively. Assuming the length of the weld shown in the figure to be the effective length, the permissible load $P$ (in kN) is ______
asked
Aug 7, 2019
in
Foundation Engineering
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
foundationengineering
geotechnicalengineering
plateloadtest
0
votes
0
answers
22
GATE2017 CE244
Consider a square shaped area ABCD on the ground with its centre at M as shown in the figure. Four concentrated vertical loads of $P=5000$ kN are applied on this area, one at each corner. The vertical stress increment (in kPa, up to one decimal place) due to these loads according to the Boussinesq’s equation, at a point $5$ m right below M, is _______
asked
Aug 7, 2019
in
Foundation Engineering
by
gatecse
(
4k
points)
gate2017ce2
numericalanswers
boussinesq'stheory
foundationengineering
geotechnicalengineering
0
votes
1
answer
23
GATE2019 CE2: 52
A $2 \: m \times 4 \: m$ rectangular footing has to carry a uniformly distributed load of $120 \: kPa$. As per the $2:1$ dispersion method of stress distribution, the increment in vertical stress (in $kPa$) at a depth of $2\: m$ below the footing is _______
answered
Mar 4, 2019
in
Foundation Engineering
by
yasir900
(
140
points)
gate2019ce2
numericalanswers
foundationengineering
geotechnicalengineering
stressdistribution
0
votes
1
answer
24
GATE2019 CE1: 55
A square footing of $ 4 \: m$ side is placed at $1 \: m$ depth in a sand deposit. The dry unit weight $( \gamma)$ of sand is $15 \: kN/m^3$. This footing has an ultimate bearing capacity of $600 \: kPa$ ... deposit. For a factor of safety of $3.0$ as per Terzaghi's theory, the safe bearing capacity (in $kPa$) of this footing would be _________
answered
Feb 20, 2019
in
Foundation Engineering
by
Abhishek Bijarnia
(
140
points)
gate2019ce1
numericalanswers
foundationengineering
geotechnicalengineering
bearingcapacityfactor
0
votes
0
answers
25
GATE2019 CE1: 41
A $0.80 \: m$ deep bed of sand filter (length $4 \:m $ and width $3 \: m$) is made of uniform particles (diameter $=0.40 \: mm$, specific gravity $=2.65$, shape factor $=0.85$) with bed porosity of $0.4$. The bed has to be backwashed at ... the terminal settling velocity of sand particles is $0.05 \: m/s$, the expanded bed depth (in $m$ round off to $2$ decimal places) is _______
asked
Feb 14, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce1
numericalanswers
foundationengineering
geotechnicalengineering
settlementanalysisinsand
0
votes
0
answers
26
GATE2019 CE1: 52
A reinforced concrete circular pile of $12 \: m$ length and $0.6 \: m$ diameter is embedded in stiff clay which has an undrained unit cohesion of $110 \: kN/m^2$. The adhesion factor is $0.5$. The Net Ultimate Pullout (uplift) Load for the pile (in $kN$, round off to $1$ decimal place) is __________
asked
Feb 14, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce1
numericalanswers
foundationengineering
geotechnicalengineering
loadcapacityofpilesinclay
0
votes
0
answers
27
GATE2019 CE2: 54
A timber pile of length $8 \: m$ and diameter $0.2 \: m$ is driven with a $20 \: kN$ drop hammer, falling freely from a height of $1.5 \: m$. The total penetration of the pile in the last $5$ blows is $40 \: mm$. Use the Engineering News Record ... to energy losses) of $2.5 \: cm$. The safe load carrying capacity of the pile (in $kN$, round off to $2$ decimal places) is __________
asked
Feb 12, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce2
numericalanswers
foundationengineering
geotechnicalengineering
typesofpile
0
votes
0
answers
28
GATE2019 CE2: 55
A square footing of $2 \: m$ sides rests on the surface of a homogeneous soil bed having the properties: cohesion $c= 24 \: kPa$, angle of internal friction $\phi = 25^{\circ}$, and unit weight $\gamma = 18 \: kN/m^3$. Terzaghi's bearing capacity ... and $N_{\gamma}' =3.2$. The ultimate bearing capacity of the foundation (in $kPa$, round off to $2$ decimal places) is _________
asked
Feb 12, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce2
numericalanswers
foundationengineering
geotechnicalengineering
bearingcapacity
0
votes
0
answers
29
GATE2016212
The relationship between the specific gravity of sand $(G)$ and the hydraulic gradient $(i)$ to initiate quick condition in the sand layer having porosity of $30 \%$ is $G=0.7i+1$ $G=1.43i1$ $G=1.43i+1$ $G=0.7i1$
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce2
foundationengineering
geotechnicalengineering
specificgravityandhydraulicgradient
0
votes
0
answers
30
GATE2016215
Water table of an aquifer drops by $100$ cm over an area of $1000 \: km^2$. The porosity and specific retention of the aquifer material are $25 \%$ and $5\%$ respectively. The amount of water (expressed in $km^3$) drained out from the area is ________
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce2
numericalanswers
foundationengineering
geotechnicalengineering
watertable
0
votes
0
answers
31
GATE2016224
The reduced bearing of a $10 \: m$ long line is $N 30^{\circ}E$. The departure of the line is $10.00 \: m$ $8.66 \: m$ $7.52 \: m$ $5.00 \: m$
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce2
foundationengineering
geotechnicalengineering
0
votes
0
answers
32
GATE2016241
The soil profile at a site consists of a $5 \: m$ thick sand layer underlain by a $c  \phi$ soil as shown in figure. The water table is found $1 \: m$ below the ground level. The entire soil mass is retained by a concrete retaining wall and is ... the wall is smooth ans vertical. The total active earth pressure (expressed in $kN/m^2$) at point A as per Rankine's theory is __________
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce2
numericalanswers
foundationengineering
geotechnicalengineering
rankine'stheory
effectofwatertable
0
votes
0
answers
33
GATE2016244
A $4 \: m$ wide strip footing is founded at a depth of $1.5 \: m$ below the ground surface in a $c\phi$ soil as shown in the figure. The water table is at a depth of $5.5 \: m$ ... equation and a factor of safety $F_s=2.5$, the net safe bearing capacity (expressed in $kN/m^2$) for local shear failure of the soil is _______
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce2
numericalanswers
foundationengineering
geotechnicalengineering
effectofwatertable
bearingcapacity
0
votes
0
answers
34
GATE2016110
The compound which is largely responsible for initial setting and early strength gain of Ordinary Portland Cement is $C_3A$ $C_3S$ $C_2S$ $C_4AF$
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce1
foundationengineering
geotechnicalengineering
0
votes
0
answers
35
GATE2017 CE1: 10
A strip footing is resting on the ground surface of a pure clay bed having an undrained cohesion $c_u$. The ultimate bearing capacity of the footing is equal to $2 \pi \: c_u$ $\pi \: c_u$ $( \pi +1) \: c_u$ $(\pi + 2) \: c_u$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
foundationengineering
geotechnicalengineering
bearingcapacity
0
votes
0
answers
36
GATE2017 CE1: 11
A uniformly distributed line road of $500 \: kN/m$ is acting on the ground surface. Based on Boussinesq’s theory, the ratio of vertical stress at a depth $2$ m to that at $4$ m, right below the line of loading, is $0.25$ $0.5$ $2.0$ $4.0$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
foundationengineering
geotechnicalengineering
boussinesq'stheory
0
votes
0
answers
37
GATE2017 CE1: 47
The infinite sand slope shown in the figure is on the verge of sliding failure. The ground water table coincides with the ground surface. Unit weight of water $\gamma_w = 9.81 \: kN/m^3$. The value of the effective angle of internal friction (in degrees, up to one decimal place) of the sand is ________.
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
numericalanswers
foundationengineering
geotechnicalengineering
watertable
0
votes
0
answers
38
GATE2015213
In friction circle method of slope stability analysis, if $r$ defines the radius of the slip circle, the radius of friction circle is: $r \sin \phi$ $r$ $r \cos \phi$ $r \tan \phi$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce2
foundationengineering
geotechnicalengineering
stabilityofslopes
0
votes
0
answers
39
GATE2015214
Net ultimate bearing capacity of a footing embedded in a clay stratum increases with depth of footing only increases with size of footing only increases with depth and size of footing is independent of depth and size of footing
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce2
foundationengineering
geotechnicalengineering
combinedfooting
0
votes
0
answers
40
GATE2015215
Surcharge loading required to be placed on the horizontal backfill of a smooth retaining vertical wall so as to completely eliminate tensile crack is: $2 \: c$ $2 \: c \: k_a$ $2 c \sqrt{k_a}$ $2 c/ \sqrt{k_a}$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce2
surchargeloading
foundationengineering
geotechnicalengineering
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