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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 ________________
go_editor
asked
in
Foundation Engineering
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
numerical-answers
standard-and-cone-penetration-test
0
votes
0
answers
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 ________________________
go_editor
asked
in
Foundation Engineering
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
numerical-answers
shallow-foundation
meyerhoffs-bearing-capacity-theories
0
votes
0
answers
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 _____________________
go_editor
asked
in
Foundation Engineering
Mar 1, 2021
by
go_editor
5.3k
points
gatecivil-2021-set2
numerical-answers
settlement-analysis-in-clays
effect-of-water-table
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 ______________
Arjun
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in
Foundation Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
friction
0
votes
0
answers
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 mid-point of the clay layer is _____________________
Arjun
asked
in
Foundation Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
effect-of-water-table
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 ___________________________
Arjun
asked
in
Foundation Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
settlement-analysis-in-clays
rankines-earth-pressure-theory
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 ____________________
Arjun
asked
in
Foundation Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
combined-footing
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 _____________
Arjun
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in
Foundation Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
effect-of-water-table
0
votes
0
answers
9
GATE2020-CE-1-9
The Los Angeles test for stone aggregates is used to examine abrasion resistance crushing strength soundness specific gravity
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
tests-on-aggregates
los-angeles-test
0
votes
0
answers
10
GATE2020-CE-1-10
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.
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
stress-distribution-in-soil
boussinesqs-theory
westergaardss-theory
0
votes
0
answers
11
GATE2020-CE-1-11
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 N-value at $3\:m$ depth, is $23$ $17$ $15$ $14$
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
standard-penetration-test
0
votes
0
answers
12
GATE2020-CE-1-23
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 ______.
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
stability-of-slopes
numerical-answers
0
votes
0
answers
13
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 $95$
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
foundation-engineering
geotechnical-engineering
water-table
0
votes
0
answers
14
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 __________
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
numerical-answers
rankines-earth-pressure-theory
0
votes
0
answers
15
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 ______.
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
settlement-analysis-in-sand-and-clays
numerical-answers
0
votes
0
answers
16
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 ______.
go_editor
asked
in
Foundation Engineering
Feb 28, 2020
by
go_editor
5.3k
points
gate2020-ce-1
water-table
foundation-engineering
geotechnical-engineering
numerical-answers
0
votes
0
answers
17
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 ________.
go_editor
asked
in
Foundation Engineering
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
numerical-answers
settlement-analysis-in-clays
0
votes
0
answers
18
GATE2017 CE-2-6
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?
gatecse
asked
in
Foundation Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
foundation-engineering
environmental-engineering
rankines-earth-pressure-theory
0
votes
0
answers
19
GATE2017 CE-2-17
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 $27$ $180$ $1200$ $2000$
gatecse
asked
in
Foundation Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
foundation-engineering
geotechnical-engineering
plate-load-test
0
votes
0
answers
20
GATE2017 CE-2-21
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 _________
gatecse
asked
in
Foundation Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
types-of-piles
0
votes
0
answers
21
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 $5 \%$
gatecse
asked
in
Foundation Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
foundation-engineering
geotechnical-engineering
bearing-capacity
types-of-piles
0
votes
0
answers
22
GATE2017 CE-2-44
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 _______
gatecse
asked
in
Foundation Engineering
Aug 7, 2019
by
gatecse
4.0k
points
gate2017-ce-2
numerical-answers
boussinesq's-theory
foundation-engineering
geotechnical-engineering
0
votes
1
answer
23
GATE2019 CE-2: 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 _______
yasir900
answered
in
Foundation Engineering
Mar 4, 2019
by
yasir900
140
points
gate2019-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
stress-distribution
0
votes
1
answer
24
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 _________
Abhishek Bijarnia
answered
in
Foundation Engineering
Feb 20, 2019
by
Abhishek Bijarnia
140
points
gate2019-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
bearing-capacity-factor
0
votes
0
answers
25
GATE2019 CE-1: 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
Arjun
asked
in
Foundation Engineering
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
foundation-engineering
geotechnical-engineering
earth-pressure
0
votes
0
answers
26
GATE2019 CE-1: 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 _________
Arjun
asked
in
Foundation Engineering
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
geotechnical-engineering
foundation-engineering
settlement-analysis-in-sands
0
votes
0
answers
27
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 _____
Arjun
asked
in
Foundation Engineering
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
boussinesqs-theory
0
votes
0
answers
28
GATE2019 CE-1: 29
For the following statements: P - The lateral stress in the soil while being tested in an oedometer is always at-rest. 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
Arjun
asked
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Foundation Engineering
Feb 14, 2019
by
Arjun
11.6k
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gate2019-ce-1
foundation-engineering
geotechnical-engineering
standard-penetration-test
0
votes
0
answers
29
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 _______
Arjun
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Foundation Engineering
Feb 14, 2019
by
Arjun
11.6k
points
gate2019-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
settlement-analysis-in-sand
0
votes
0
answers
30
GATE2019 CE-1: 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 __________
Arjun
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in
Foundation Engineering
Feb 14, 2019
by
Arjun
11.6k
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gate2019-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
load-capacity-of-piles-in-clay
0
votes
0
answers
31
GATE2019 CE-2: 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 _______
Arjun
asked
in
Foundation Engineering
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
numerical-answers
geotechnical-engineering
foundation-engineering
settlement-analysis-in-clays
0
votes
0
answers
32
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 __________
Arjun
asked
in
Foundation Engineering
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
types-of-pile
penetration-test
0
votes
0
answers
33
GATE2019 CE-2: 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 _________
Arjun
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in
Foundation Engineering
Feb 12, 2019
by
Arjun
11.6k
points
gate2019-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
bearing-capacity
terzaghis-bearing-capacity
0
votes
0
answers
34
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 $G=0.7i+1$ $G=1.43i-1$ $G=1.43i+1$ $G=0.7i-1$
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Foundation Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
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gate2016-ce-2
foundation-engineering
geotechnical-engineering
specific-gravity-and-hydraulic-gradient
0
votes
0
answers
35
GATE2016-2-41
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 __________
Milicevic3306
asked
in
Foundation Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
rankine's-theory
effect-of-water-table
0
votes
0
answers
36
GATE2016-2-44
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 _______
Milicevic3306
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in
Foundation Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
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gate2016-ce-2
numerical-answers
foundation-engineering
geotechnical-engineering
effect-of-water-table
bearing-capacity
0
votes
0
answers
37
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 $K_p$ ... $\dfrac{4c \sqrt{K_a}}{\gamma } \\$ $\dfrac{4c}{\gamma \sqrt{K_a}}$
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in
Foundation Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-1
foundation-engineering
geotechnical-engineering
earth-pressure
0
votes
0
answers
38
GATE2016-1-41
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 $120$ $180$ $240$ $360$
Milicevic3306
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Foundation Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
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gate2016-ce-1
foundation-engineering
geotechnical-engineering
lateral-earth-pressure
0
votes
0
answers
39
GATE2017 CE-1: 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 $2 \pi \: c_u$ $\pi \: c_u$ $( \pi +1) \: c_u$ $(\pi + 2) \: c_u$
Milicevic3306
asked
in
Foundation Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
foundation-engineering
geotechnical-engineering
bearing-capacity
0
votes
0
answers
40
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 $0.25$ $0.5$ $2.0$ $4.0$
Milicevic3306
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in
Foundation Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2017-ce-1
foundation-engineering
geotechnical-engineering
boussinesq's-theory
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