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Most viewed questions in Foundation Engineering
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41
GATE2017 CE-1: 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 $0.25$ $0.5$ $2.0$ $4.0$
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 ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Foundation Engineering
gate2017-ce-1
foundation-engineering
geotechnical-engineering
boussinesq's-theory
+
–
0
votes
0
answers
42
GATE2017 CE-1: 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 ________.
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 =...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Foundation Engineering
gate2017-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
effect-of-water-table
+
–
0
votes
0
answers
43
GATE2020 CE-2-46
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 ________.
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 t...
go_editor
5.3k
points
go_editor
asked
Feb 13, 2020
Foundation Engineering
gate2020-ce-2
numerical-answers
settlement-analysis-in-clays
+
–
0
votes
0
answers
44
GATE2019 CE-1: 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 _____
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 p...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Foundation Engineering
gate2019-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
boussinesqs-theory
+
–
0
votes
0
answers
45
GATE2019 CE-2: 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 __________
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...
Arjun
13.0k
points
Arjun
asked
Feb 12, 2019
Foundation Engineering
gate2019-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
types-of-pile
penetration-test
+
–
0
votes
1
answer
46
GATE2019 CE-1: 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 _________
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 ...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Foundation Engineering
gate2019-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
bearing-capacity-factor
+
–
0
votes
0
answers
47
GATE2018 CE-2: 45
A group of nine piles in a $ 3 \times 3$ square pattern is embedded in a soil strata comprising dense sand underlying recently filled clay layer, as shown in the figure. The perimeter of a individual pile is $126$ cm. The size of pile group is $240$ ... of $16 \: kN/m^3$. The negative frictional load (in kN, up to two decimal places) acting on the pile group is _____
A group of nine piles in a $ 3 \times 3$ square pattern is embedded in a soil strata comprising dense sand underlying recently filled clay layer, as shown in the figure. ...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Foundation Engineering
gate2018-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
load-capacity-of-piles-in-clays
+
–
0
votes
0
answers
48
GATE2018 CE-1: 31
A $0.5 \: m \times 0.5 \: m$ square concrete pile is to be driven in a homogeneous clayey soil having undrained shear strength $c_u=50 \: kPa$ and unit weight, $\gamma = 18.0 \: kN/m^3$. The design capacity of the pile $500$ kN. The adhesion factor $\alpha$ is given as ... pile required for the above design load with a factor of safety of $2.0$ is $5.2$ m $5.8$ m $11.8$ m $12.5$ m
A $0.5 \: m \times 0.5 \: m$ square concrete pile is to be driven in a homogeneous clayey soil having undrained shear strength $c_u=50 \: kPa$ and unit weight, $\gamma = ...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Foundation Engineering
gate2018-ce-1
foundation-engineering
geotechnical-engineering
load-capacity-of-piles-in-clay
+
–
0
votes
0
answers
49
GATE2019 CE-1: 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 _______
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 $=...
Arjun
13.0k
points
Arjun
asked
Feb 14, 2019
Foundation Engineering
gate2019-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
settlement-analysis-in-sand
+
–
0
votes
0
answers
50
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 ________________
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 (...
go_editor
5.3k
points
go_editor
asked
Mar 1, 2021
Foundation Engineering
gatecivil-2021-set2
numerical-answers
standard-and-cone-penetration-test
+
–
0
votes
0
answers
51
GATE2014-2-40
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 $50.96$ $53.36$ $63.72$ $66.71$
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, ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Foundation Engineering
gate2014-ce-2
foundation-engineering
geotechnical-engineering
elastic-settlement
+
–
0
votes
0
answers
52
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 ___________________________
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 ...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Foundation Engineering
gatecivil-2021-set1
numerical-answers
settlement-analysis-in-clays
rankines-earth-pressure-theory
+
–
0
votes
0
answers
53
GATE Civil 2012 | Question: 37
A layer of normally consolidated, saturated silty clay of $1$ m thickness is subjected to one dimensional consolidation under a pressure increment of $20$ kPa. The properties of the soil are: specific gravity $=2.7$, natural moisture content $=45 \%$, compression ... the primary consolidation settlement (rounded off to the nearest mm) is $2$ mm $9$ mm $14$ mm $16$ mm
A layer of normally consolidated, saturated silty clay of $1$ m thickness is subjected to one dimensional consolidation under a pressure increment of $20$ kPa. The proper...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Foundation Engineering
gate2012-ce
foundation-engineering
geotechnical-engineering
terzaghi's-theory
+
–
0
votes
0
answers
54
GATE2016-2-12
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 $G=0.7i+1$ $G=1.43i-1$ $G=1.43i+1$ $G=0.7i-1$
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...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Foundation Engineering
gate2016-ce-2
foundation-engineering
geotechnical-engineering
specific-gravity-and-hydraulic-gradient
+
–
0
votes
0
answers
55
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 _____________
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 mat...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Foundation Engineering
gatecivil-2021-set1
numerical-answers
effect-of-water-table
+
–
0
votes
0
answers
56
GATE2017 CE-2-34
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 $5 \%$
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 bearin...
gatecse
4.0k
points
gatecse
asked
Aug 7, 2019
Foundation Engineering
gate2017-ce-2
foundation-engineering
geotechnical-engineering
bearing-capacity
types-of-piles
+
–
0
votes
0
answers
57
GATE2015-1-14
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 $0.5$ $0.625$ $0.8$ $1.0$
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 ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 26, 2018
Foundation Engineering
gate2015-ce-1
geotechnical-engineering
foundation-engineering
pore-pressure
triaxial-test
+
–
0
votes
0
answers
58
GATE Civil 2013 | Question: 15
Four columns of a building are to be located within a plot size of $10 \: m \times 10 \: m$. The expected load on each column is $4000$ kN. Allowable bearing capacity of the soil deposit is $100 \: kN/m^2$. The type of foundation best suited is isolated footing raft foundation pile foundation combined footing
Four columns of a building are to be located within a plot size of $10 \: m \times 10 \: m$. The expected load on each column is $4000$ kN. Allowable bearing capacity of ...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Foundation Engineering
gate2013-ce
foundation-engineering
geotechnical-engineering
deep-foundations
types-of-piles
+
–
0
votes
0
answers
59
GATE Civil 2012 | Question: 49
The flow net around a sheet pile wall is shown in the sketch. The properties of the soil are: permeability coefficient $0.09 \: m/day$ (isotropic), specific gravity $=2.70$ and void ratio $=0.85$. The sheet pile wall and the bottom of the soil are impermeable. The factor of safety against the occurrence of piping failure is $3.55$ $2.93$ $2.60$ $0.39$
The flow net around a sheet pile wall is shown in the sketch. The properties of the soil are: permeability coefficient $0.09 \: m/day$ (isotropic), specific gravity $=2.7...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Foundation Engineering
gate2012-ce
foundation-engineering
geotechnical-engineering
piles
+
–
0
votes
0
answers
60
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 ______________
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 ...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Foundation Engineering
gatecivil-2021-set1
numerical-answers
friction
+
–
0
votes
0
answers
61
GATE Civil 2013 | Question: 25
The latitude and departure of a line AB are $+78$ m and $-45.1$ m respectively. The whole circle bearing of the line AB is $30^{\circ}$ $150^{\circ}$ $210^{\circ}$ $330^{\circ}$
The latitude and departure of a line AB are $+78$ m and $-45.1$ m respectively. The whole circle bearing of the line AB is $30^{\circ}$$150^{\circ}$$210^{\circ}$$330^{\ci...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Foundation Engineering
gate2013-ce
foundation-engineering
geotechnical-engineering
bearing-of-line
+
–
0
votes
0
answers
62
GATE2020-CE-1-35
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 $95$
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 $70\:kN/m^2$ a...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Foundation Engineering
gate2020-ce-1
foundation-engineering
geotechnical-engineering
water-table
+
–
0
votes
0
answers
63
GATE2020-CE-1-50
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 ______.
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...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Foundation Engineering
gate2020-ce-1
water-table
foundation-engineering
geotechnical-engineering
numerical-answers
+
–
0
votes
0
answers
64
GATE2016-1-13
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 $K_p$ ... $\dfrac{4c \sqrt{K_a}}{\gamma } \\$ $\dfrac{4c}{\gamma \sqrt{K_a}}$
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 $K_p$ as the cofficien...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 27, 2018
Foundation Engineering
gate2016-ce-1
foundation-engineering
geotechnical-engineering
earth-pressure
+
–
0
votes
0
answers
65
GATE2020-CE-1-48
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 ______.
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 cl...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Foundation Engineering
gate2020-ce-1
settlement-analysis-in-sand-and-clays
numerical-answers
+
–
0
votes
0
answers
66
GATE2020-CE-1-46
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 __________
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 $3...
go_editor
5.3k
points
go_editor
asked
Feb 27, 2020
Foundation Engineering
gate2020-ce-1
numerical-answers
rankines-earth-pressure-theory
+
–
0
votes
0
answers
67
GATE Civil 2012 | Question: 15
An embankment is to be constructed with a granular soil (bulk unit weight $=20 \: kN/m^3$) on a saturated clayey silt deposit (undrained shear strength $=25$ kPa). Assuming undrained general shear failure and bearing capacity factor of $5.7$, the maximum height (in m) of the embankment at the point of failure is $7.1$ $5.0$ $4.5$ $2.5$
An embankment is to be constructed with a granular soil (bulk unit weight $=20 \: kN/m^3$) on a saturated clayey silt deposit (undrained shear strength $=25$ kPa). Assumi...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Foundation Engineering
gate2012-ce
foundation-engineering
geotechnical-engineering
bearing-capacity
+
–
0
votes
0
answers
68
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 ____________________
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 figu...
Arjun
13.0k
points
Arjun
asked
Feb 19, 2021
Foundation Engineering
gatecivil-2021-set1
numerical-answers
combined-footing
+
–
0
votes
0
answers
69
GATE2014-1-13
The degree of disturbance of the sample collected by the sampler is expressed by a term called the “area ratio”. If the outer diameter and inner diameter of the sampler are $D_o$ and $D_i$ respectively, the area ratio is given by $\dfrac{D_o^2-D_i^2}{D_i^2} \\$ $\dfrac{D_i^2-D_o^2}{D_i^2} \\$ $\dfrac{D_o^2-D_i^2}{D_o^2} \\$ $\dfrac{D_i^2-D_0^2}{D_o^2}$
The degree of disturbance of the sample collected by the sampler is expressed by a term called the “area ratio”. If the outer diameter and inner diameter of the sampl...
Milicevic3306
11.9k
points
Milicevic3306
asked
Mar 25, 2018
Foundation Engineering
gate2014-ce-1
sampling
foundation-engineering
geotechnical-engineering
+
–
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