Assignment 2
–
MIET 2342 Mechanics of Solids
1
Instruction to s
olve and submit this assignment:
1.This
a
ssignment is due on 26
th
October 2012
and carries 15
marks
to the
total
assessment.
2.
Each problem carries 10 marks and
the total score
will
be
rationalised to 15
marks
3.
Maximum 3 students in a group can submit this assignment.
4.
Apply Last 2 digits of your student numbers
for load case marked XXX
.
5
. Apply
2
different student
numbers
for
problems 1& 2
.
1: The cantilever
ed
beam is subjected to the load at
its
end shown in figure
below.
Determine:
a)
Principal stress
es
and the angle of plane in the beam at
point
A & B by analytical method.
b)
Principal stress
es
and the angle of plane in the beam at
point A & B by graphical method
.(
Construct Mohr’s
Circle)
Assignment 2
–
MIET 2342 Mechanics of Solids
2
Instruction to s
olve and submit this assignment:
1.This
a
ssignment is due on 26
th
October 2012
and carries 15
marks
to the
total
assessment.
2.
Each problem carries 10 marks and
the total score
will
be
rationalised to 15
marks
3.
Maximum 3 students in a group can submit this assignment.
4.
Apply Last 2 digits of your student numbers
for load case marked XXX
.
5
. Apply
2
different student
numbers
for
problems 1& 2
.
2. The shaft is supported
at
A
by a
journal
bearing that exerts only vertical reaction
on the
S
haft
and at B by
a
thrust bearing that exerts both horizontal and vertical
reactions on the
shaft, draw
the
bending moment
diagram for the shaft and then
from this diagram sketch the
deflection or elastic curve for the shaft
’s
centre line.
Determine: The
deflection
at x
1
= x
2
= 100mm
and assume E= 200 GPa
and
diameter of the shaft is 20 mm,
as shown in the figure
below
.
Assignment 2
–
MIET 2342 Mechanics of Solids
3
Instruction to s
olve and submit this assignment:
1.This
a
ssignment is due on 26
th
October 2012
and carries 15
marks
to the
total
assessment.
2.
Each problem carries 10 marks and
the total score
will
be
rationalised to 15
marks
3.
Maximum 3 students in a group can submit this assignment.
4.
Apply Last 2 digits of your student numbers
for load case marked XXX
.
5
. Apply
2
different student
numbers
for
problems 1& 2
.
3
.
The steel bar AB has rectangular cross section. If it is pin connected at its ends,
Determine: The maximum
allowable intensity ‘w’ of the distributed load that can be
applied to BC without causing the bar AB to buckle. Use factor of
safety with respect to buckling F.S.= 1.5, E
st
=200 GPa,
σ
y= 360 MPa.
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