1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Other
Soil Mechanics
Unconfined Compression Test
An unconfined...
Question
An unconfined compression test yielded a strength of 0.1
N
/
m
m
2
. If the failure plane is inclined at
50
∘
to the horizontal, what are the values of the shear strength parameters?
0.042
Open in App
Solution
The correct option is
A
0.042
Given
σ
1
=
0.1
N
/
m
m
2
Inclination of failure plane with horizontal
=
50
∘
45
+
ϕ
2
=
50
∘
ϕ
=
10
∘
We know that
σ
1
=
σ
3
(
45
+
ϕ
2
)
+
2
c
t
a
n
(
45
+
ϕ
2
)
For UCS test,
σ
3
=
0
σ
1
=
2
c
t
a
n
(
45
+
ϕ
2
)
0.1
=
2
c
t
a
n
50
∘
⇒
c
=
0.042
N
/
m
m
2
c
=
0.042
N
/
m
m
2
;
ϕ
=
10
∘
Suggest Corrections
1
Similar questions
Q.
A soil fails under an axial vertical stress of
100
k
N
/
m
2
in unconfined compression test. The failure plane makes an angle of
50
°
with the horizontal. The shear parameters
′
c
′
and
′
Φ
′
respectively will be
Q.
In an unconfined compression test on stiff clay, if the failure plane made an angle of
52
o
to the horizontal, what would be the angle of shearing resistance?
Q.
In an unconfined compression test on saturated clay, the undrained shear strength was found to be
6
t
/
m
2
. If a sample of the same soil is tested in an undrained condition in a triaxial compression at a cell pressure of
20
t
/
m
2
, then the major principal stress at failure will be:
Q.
If
′
s
′
is the shear strength,
′
c
′
and
Φ
are shear strength parameters, and
′
σ
′
n
is the normal stress at failure, then Coulomb's equation for shear strength of the soil can be represented by
Q.
When an unconfined compression test is conducted on a cylinder of soil, it fails under axial stress of
1.2
k
g
/
c
m
2
. The failure plane makes an angle of
50
∘
with the horizontal. Determine the cohesion of the soil
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Unconfined Compression Test
SOIL MECHANICS
Watch in App
Explore more
Unconfined Compression Test
Other Soil Mechanics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app