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Recent questions tagged foundationengineering
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1
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
2
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
3
GATE2017 CE26
Consider a rigid retaining wall with partially submerged cohesionless backfill with a surcharge. Which one of the following diagrams closely represents the Rankine’s active earth pressure distribution against this?
asked
Aug 7, 2019
in
Foundation Engineering
by
gatecse
(
4k
points)
gate2017ce2
foundationengineering
environmentalengineering
rankinesearthpressuretheory
0
votes
0
answers
4
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
5
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
6
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
7
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
0
answers
8
GATE2019 CE1: 16
A retaining wall of height $H$ with smooth vertical backface supports a backfill inclined at an angle $\beta$ with the horizontal. The backfill consists of cohesionless soil having angle of internal friction $\phi$. If the active lateral thrust acting on the wall is $P_a$ ... $P_a$ acts at a height $H/3$ from the base of the wall and at an angle $\phi$ with the horizontal
asked
Feb 14, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce1
foundationengineering
geotechnicalengineering
earthpressure
0
votes
0
answers
9
GATE2019 CE1: 20
A completely mixed dilute suspension of sand particles having diameters $0.25, \: 0.35, \: 0.40, \: 0.45$ and $0.50 \: mm$ are filled in a transparent glass column of diameter $10 \: cm$ and height $2.50 \: m$. The suspension is allowed to ... $0.45$ and $0.50 \: mm$ from the suspension is _________
asked
Feb 14, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce1
numericalanswers
geotechnicalengineering
foundationengineering
settlementanalysisinsands
0
votes
0
answers
10
GATE2019 CE1: 25
A concentrated load of $500 \: kN$ is applied on an elastic half space. The ratio of the increase in vertical normal stress at depths of $2 \: m$ and $4 \: m$ along the point of the loading, as per Boussinesq’s theory, would be _____
asked
Feb 14, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce1
numericalanswers
foundationengineering
geotechnicalengineering
boussinesqstheory
0
votes
0
answers
11
GATE2019 CE1: 29
For the following statements: P  The lateral stress in the soil while being tested in an oedometer is always atrest. Q  For a perfectly rigid strip footing at deeper depths in a sand deposit, the vertical normal contact stress at the footing edge is greater than that at its centre. R  ... FALSE; Q  FALSE; R  TRUE P  TRUE; Q  TRUE; R  FALSE P  FALSE; Q  FALSE; R  FALSE
asked
Feb 14, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce1
foundationengineering
geotechnicalengineering
standardpenetrationtest
0
votes
0
answers
12
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
13
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
1
answer
14
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 _________
asked
Feb 14, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce1
numericalanswers
foundationengineering
geotechnicalengineering
bearingcapacityfactor
0
votes
0
answers
15
GATE2019 CE2: 25
Construction of a new building founded on a clayey soil was completed in January $2010$. In January $2014$, the average consolidation settlement of the foundation in clay was recorded as $10 \: mm$. The ultimate consolidation settlement was estimated in ... soil site, the expected consolidation settlement in January $2019$( in mm, round off to the nearest integer) will be _______
asked
Feb 12, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce2
numericalanswers
geotechnicalengineering
foundationengineering
settlementanalysisinclays
0
votes
1
answer
16
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 _______
asked
Feb 12, 2019
in
Foundation Engineering
by
Arjun
(
8.7k
points)
gate2019ce2
numericalanswers
foundationengineering
geotechnicalengineering
stressdistribution
0
votes
0
answers
17
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
penetrationtest
0
votes
0
answers
18
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
terzaghisbearingcapacity
0
votes
0
answers
19
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
20
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
21
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
22
GATE2016245
A square plate is suspended vertically from one of its edges using a hinge support as shown in figure. A water jet of $20 \: mm$ diameter having a velocity of $10 \: m/s$ strikes the plate at its midpoint, at an angle of $30^{\circ}$ with ... neglect the selfweight of the plate. The force $F$ (expressed in $N$) required to keep the plate in its vertical position is _____________
asked
Mar 28, 2018
in
Engineering Mechanics
by
Milicevic3306
(
11.9k
points)
gate2016ce2
numericalanswers
foundationengineering
structuralengineering
0
votes
0
answers
23
GATE2016113
A vertical cut is to be made in a soil mass having cohesion $c$, angle of internal friction $\phi$, and unit weight $\gamma$. Considering $K_a$ and $K_p$ ... $\dfrac{4c \sqrt{K_a}}{\gamma } \\$ $\dfrac{4c}{\gamma \sqrt{K_a}}$
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce1
foundationengineering
geotechnicalengineering
earthpressure
0
votes
0
answers
24
GATE2016141
A homogeneous gravity retaining wall supporting a cohesionless backfill is shown in the figure. The lateral active earth pressure at the bottom of the wall is $40$ kPa. The minimum weight of the wall (expressed in kN per m length) required to prevent it from overturning about its toe (Point $\color{Red}{P}$) is $120$ $180$ $240$ $360$
asked
Mar 28, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2016ce1
foundationengineering
geotechnicalengineering
lateralearthpressure
0
votes
0
answers
25
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
26
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
27
GATE2017 CE1: 46
It is proposed to drive Hpiles up to a depth of $7$ m at a construction site. The average surface area of the Hpile is $3 \: m^2$ ... . The total axial frictional resistance (in kN, up to one decimal place) mobilized on the pile against the driving is _____________
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2017ce1
numericalanswers
geotechnicalengineering
foundationengineering
effectofwatertable
loadcapacityofpilesinclay
0
votes
0
answers
28
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
effectofwatertable
0
votes
0
answers
29
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
30
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
31
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
0
votes
0
answers
32
GATE2015239
A pile of diameter $0.4$ m is fully embedded in a clay stratum having $5$ layers, each $5$ m thick as shown in the figure below. Assume a constant unit weight of soil as $18 \: kN/m^3$ for all the layers. Using $\lambda$method. ($ \lambda = 0.15$ for $25$ m embedment length) and neglecting the end bearing component the ultimate pile capacity (in kN) is ___________.
asked
Mar 26, 2018
in
Geotechnical Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce2
numericalanswers
geotechnicalengineering
foundationengineering
loadcapacityofpilesinclays
0
votes
0
answers
33
GATE2015241
A $6$ m high retaining wall having a smooth vertical back face retains a layered horizontal backfill. Top $3$ m thick layer of the backfill is sand having an angle of internal friction. $\phi = 30^{\circ}$ while the bottom layer is $3$ m thick clay with cohesion, $c=20$ ... $150$ $216$ $156$ $196$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce2
geotechnicalengineering
foundationengineering
earthpressure
0
votes
0
answers
34
GATE2015114
In an unconsolidated undrained triaxial test, it is observed that an increase in cell pressure from $150$ kPa to $250$ kPa leads to a pore pressure increase $80$ kPa. It is further observed that, an increase of $50$ kPa in deviatoric stress results in an increase of $25$ kPa in the pore pressure. The value of $\textit{Skempton’s pore pressure parameter B}$ is $0.5$ $0.625$ $0.8$ $1.0$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
geotechnicalengineering
foundationengineering
porepressure
triaxialtest
0
votes
0
answers
35
GATE2015140
A $20$ m thick clay layer is sandwiched between a silty sand layer and a gravelly sand layer. The layer experiences $30$ mm settlement in $2$ ... of consolidation of the layer is $0.003 \: cm^2/s$, the deposit will experience a total of $50$ mm settlement in the next _____ years.
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
numericalanswers
foundationengineering
geotechnicalengineering
settlementanalysisinsandsandclays
0
votes
0
answers
36
GATE2015142
A square footing $(2\:m \times 2\:m)$ is subjected to an inclined point load, $P$ as shown in the figure below. The water table is located well below the base of the footing. Considering oneway eccentricity, the $\textit{net safe}$ load carrying capacity of the footing for a factor ... : $F_{qd} = F_{\gamma d} = 1.113$; Inclination factors: $F_{qi} = 0.444, \: F_{\gamma i}=0.02$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2015ce1
numericalanswers
foundationengineering
geotechnicalengineering
squarefooting
0
votes
0
answers
37
GATE2014239
A single vertical friction pile of diameter $500$ mm and length $20$ m is subjected to a vertical compressive load. The pile is embedded in a homogeneous sandy stratum where; angle of internal friction $(\phi)=30^{\circ}$ ... $(K)=2.7$ and the bearing capacity factor $(N_q)=25$, the ultimate bearing capacity of the pile (in kN) is ________
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce2
numericalanswers
foundationengineering
geotechnicalengineering
piles
0
votes
0
answers
38
GATE2014240
A circular raft foundation of $20$ m diameter and $1.6$ m thick is provided for a tank that applies a bearing pressure of $110$ kPa on sandy soil with Young’s modulus, $E_s’=30$ MPa and Poisson’s ratio, $v_s=0.3$. The raft is made of concrete ($E_c=30$ GPa and $v_c=0.15$). Considering the raft as rigid, the elastic settlement (in mm) is $50.96$ $53.36$ $63.72$ $66.71$
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce2
foundationengineering
geotechnicalengineering
elasticsettlement
0
votes
0
answers
39
GATE2014137
Group I contains representative loadsettlement curves for different modes of bearing capacity failures of sandy soil. Group II enlists the various failure characteristics. Match the loadsettlement curves with the corresponding failure characteristics. ... $P  3, \: Q  1, \: R  2$ $P  1, \: Q  2, \: R  3$
asked
Mar 26, 2018
in
Geotechnical Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce1
geotechnicalengineering
foundationengineering
loadsettlementcurves
bearingcapacity
0
votes
0
answers
40
GATE2014115
The action of negative skin friction on the pile is to increase the ultimate load on the pile reduce the allowable load on the pile maintain the working load on the pile reduce the settlement of the pile
asked
Mar 26, 2018
in
Foundation Engineering
by
Milicevic3306
(
11.9k
points)
gate2014ce1
foundationengineering
geotechnicalengineering
pileloadtest
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