Cochin University of Science and Techology (CUST) 2005-5th Sem B.Tech Civil Engineering ,, Analysis of Strucutres II - Question Paper
B.Tech, Degree V Semester Examination, November2005
CE (A/B) 503 ANALYSIS OF STRUCTURES II
(2002 Admissions)
Maxtrranw Marks: 100
Time: 3 Hours I
Analyte die portal frame shown in figure by using the method of strain energy and sketch the Beading Moment Diagram.
(20)
OR
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The figure shows a continuous beam. Using theorem of three moments find the fixed end momenta at B aad C and sketch the S.F and B.M diagmrai. El constant.
1
i
(20)
Analyse the frame shown in figure by the slope deflection method _
in
i"
1
(20)
A.
nf
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OR
Using moment distribution method, find the support moments for the beam shown in figure. El constant . ...............................
IV
aOK**l*A ]lOi<N J>
UfttU .1 A,.......-.........j?_IkrtrmfrfcS -ST
(20)
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Analyse die frame shown in figure by portal method AU members have the same A and I. |
 |
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ftRINo |
 |
(20)
Determine end shears and moments in the beams and the axial forces in the columns for the multistoreyed building frame with rigid joints shown in figure by the cantilever
t
Wtj[
c
<*V
/m
(20)
I
rtr?
f
A circular beam is supported on three supports spaced equally along the circumference. A load W ads at a point which when joined to centre makes 30 * with the line joining one support to the centre. Determine (he reactions at the three supports. Further draw the S.F, B.M and torque diagrams of the beam.
(20)
(20)
OR
For the area shown in figure find the inclination of the principal axes to the V and
V axes through the centroid of the area and the maximum sod minimum moments of inertia. AU dimensions are in mm. ----
60
(0
T
(O
(i) Discuss plastic moment of a rectangular section of a cantilever beam.
(5)
(ii) Determine the collapse load factor for the continuous beam shown in figure. Both the spans have the same value of plastic moment .
-i-
W
+
K
2'*+*
J m
(15)
OR
Analyse the [portal frame ABCD shows in figure by plastic theory and sketch the BMDat collapse stage, after determining the plastic moment capacity ltp. Relative plastic moment capacities of die members AB- BC. and CD are in die ratio 12:2:7. Support*4 A* and D* are fixed*
t
lOOKH
1
(20)
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Attachment: |
| Earning: Approval pending. |
