1
GATE CE 2023 Set 2
Numerical
+1
-0
An unconfined compression strength test was conducted on a cohesive soil. The test specimen failed at an axial stress of 76 kPa. The undrained cohesion (in kPa, in integer) of the soil is _____
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2
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+2
-0.67

In the given figure, Point O indicates the stress point of a soil element at initial non-hydrostatic stress condition. For the stress path (OP), which of the following loading conditions is correct?

GATE CE 2023 Set 2 Geotechnical Engineering - Shear Strength of Soil Question 1 English
A
πœŽπ‘£ is increasing and πœŽβ„Ž is constant
B
πœŽπ‘£ is constant and πœŽβ„Ž is increasing
C
πœŽπ‘£ is increasing and πœŽβ„Ž is decreasing
D
πœŽπ‘£ is decreasing and πœŽβ„Ž is increasing
3
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+2
-0.67

The figure shows a vertical retaining wall with backfill consisting of cohesive-frictional soil and a failure plane developed due to passive earth pressure. The forces acting on the failure wedge are: P as the reaction force between the wall and the soil, R as the reaction force on the failure plane, C as the cohesive force along the failure plane and W as the weight of the failure wedge. Assuming that there is no adhesion between the wall and the wedge, identify the most appropriate force polygon for the wedge.

GATE CE 2023 Set 2 Geotechnical Engineering - Retaining Wall and Earth Pressure Question 1 English
A
GATE CE 2023 Set 2 Geotechnical Engineering - Retaining Wall and Earth Pressure Question 1 English Option 1
B
GATE CE 2023 Set 2 Geotechnical Engineering - Retaining Wall and Earth Pressure Question 1 English Option 2
C
GATE CE 2023 Set 2 Geotechnical Engineering - Retaining Wall and Earth Pressure Question 1 English Option 3
D
GATE CE 2023 Set 2 Geotechnical Engineering - Retaining Wall and Earth Pressure Question 1 English Option 4
4
GATE CE 2023 Set 2
Numerical
+2
-0

A square footing is to be designed to carry a column load of 500 kN which is resting on a soil stratum having the following average properties: bulk unit weight = 19 kN/m3; angle of internal friction = 0Β° and cohesion = 25 kPa. Considering the depth of the footing as 1 m and adopting Meyerhof’s bearing capacity theory with a factor of safety of 3, the width of the footing (in m) is _________ (round off to one decimal place)

[Assume the applicable shape and depth factor values as unity; ground water level at greater depth.]

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