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Recent questions tagged geotechnical-engineering
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121
GATE2018 CE-2: 11
The clay mineral, whose structural units are held together by potassium bond is Halloysite Illite Kaolinite Smectite
The clay mineral, whose structural units are held together by potassium bond isHalloysiteIlliteKaoliniteSmectite
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Geotechnical Engineering
gate2018-ce-2
geotechnical-engineering
clay-mineral
characteristics-of-clay
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–
0
votes
0
answers
122
GATE2018 CE-2: 8
A flownet below a dam consists of $24$ equipotential drops and $7$ flow channels. The difference between the upstream the upstream and downstream water levels is $6$ m. The length of the flow line adjacent to the toe of the dam at exit is $1$ m. The specific gravity and void ... dam are $2.70$ and $0.70$, respectively. The factor of safety against piping is $1.67$ $2.5$ $3.4$ $4$
A flownet below a dam consists of $24$ equipotential drops and $7$ flow channels. The difference between the upstream the upstream and downstream water levels is $6$ m. T...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Soil Mechanics
gate2018-ce-2
geotechnical-engineering
soil-mechanics
seepage-through-soils
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–
–1
votes
1
answer
123
GATE2018 CE-1: 47
A rigid smooth retaining wall of height $7$ m with vertical backface retains saturated clay ass backfill. The saturated unit weight and undrained cohesion of the backfill are $17.2 \: kN/m^3$ and $20 \: kPa$, respectively. The difference in the active ... ( in $kN$ per meter length of wall, up to two decimal places), before and after the occurrence of tension crack is _____
A rigid smooth retaining wall of height $7$ m with vertical backface retains saturated clay ass backfill. The saturated unit weight and undrained cohesion of the backfill...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Foundation Engineering
gate2018-ce-1
numerical-answers
foundation-engineering
geotechnical-engineering
earth-pressure
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–
0
votes
1
answer
124
GATE2018 CE-1: 45
A conventional drained triaxial compression test was conducted on a normally consolidated clay sample under an effective confining pressure of $200$ kPa. The deviator stress at failure was found to be $400$ kPa. An identical specimen of the same clay sample is ... deviator stress at failure is $150$ kPa, the pore pressure developed (in kPa, up to one decimal place) is ________
A conventional drained triaxial compression test was conducted on a normally consolidated clay sample under an effective confining pressure of $200$ kPa. The deviator str...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Soil Mechanics
gate2018-ce-1
numerical-answers
soil-mechanics
geotechnical-engineering
characteristics-of-clay
compression-test
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–
0
votes
1
answer
125
GATE2018 CE-1: 46
The void ratio of a soil is $0.55$ at an effective normal stress of $140$ kPa. The compression index of the soil is $0.25$. In order to reduce the void ratio to $0.4$, an increase in the magnitude of effective normal stress (in kPa, up to one decimal place) should be ________
The void ratio of a soil is $0.55$ at an effective normal stress of $140$ kPa. The compression index of the soil is $0.25$. In order to reduce the void ratio to $0.4$, an...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Soil Mechanics
gate2018-ce-1
numerical-answers
soil-mechanics
geotechnical-engineering
void-ratio
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–
0
votes
0
answers
126
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
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–
0
votes
2
answers
127
GATE2018 CE-1: 21
A core cutter of $130$ mm height has inner and outer diameters of $100$ mm and $106$ mm, respectively. The area ratio of the core cutter (in $\%$, up to two decimal places) is _____
A core cutter of $130$ mm height has inner and outer diameters of $100$ mm and $106$ mm, respectively. The area ratio of the core cutter (in $\%$, up to two decimal place...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Soil Mechanics
gate2018-ce-1
numerical-answers
geotechnical-engineering
soil-mechanics
core-cutter
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–
0
votes
1
answer
128
GATE2018 CE-1: 20
In a shrinkage limit test, the volume and mass of a dry soil pat are found to be $50 cm^3$ and $88$ g, respectively. The specific gravity of the soil solids is $2.71$ and the density of water is $1$ g/cc. The shrinkage limit (in $\%$, up to two decimal places is _____
In a shrinkage limit test, the volume and mass of a dry soil pat are found to be $50 cm^3$ and $88$ g, respectively. The specific gravity of the soil solids is $2.71$ and...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Soil Mechanics
gate2018-ce-1
numerical-answers
soil-mechanics
geotechnical-engineering
shrinkage-limit
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–
0
votes
0
answers
129
GATE2018 CE-1: 10
The percent reduction in the bearing capacity of a strip footing resting on sand under flooding condition (water level at the base of the footing) when compared to the situation where the water level is at a depth much greater than the width of footing, is approximately $0$ $25$ $50$ $100$
The percent reduction in the bearing capacity of a strip footing resting on sand under flooding condition (water level at the base of the footing) when compared to the si...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Foundation Engineering
gate2018-ce-1
foundation-engineering
geotechnical-engineering
bearing-capacity
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–
0
votes
0
answers
130
GATE2018 CE-1: 11
The width of a square footing and the diameter of a circular footing are equal. If both the footings are placed on the surface of sandy soil, the ratio of the ultimate bearing capacity of circular footing to that of square footing will be $4/3$ $1$ $3/4$ $2/3$
The width of a square footing and the diameter of a circular footing are equal. If both the footings are placed on the surface of sandy soil, the ratio of the ultimate be...
gatecse
4.0k
points
gatecse
asked
Feb 17, 2018
Foundation Engineering
gate2018-ce-1
foundation-engineering
geotechnical-engineering
bearing-capacity
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