Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3150614 Structural Analysis Ii Previous Question Paper
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3150614
Date:03/02/2021
Subject Name:Structural analysis-II
Time:10:30 AM TO 12:30 PM
Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Marks
Q.1 (a) Define portal frame. Discuss the causes of sway in a portal frame.
03
(b) Define: 1) Distribution Factor 2) Relative stiffness
04
(c) Analyse the two storey portal frame shown in figure-1.Consider UDL
07
Value=3 KN/Meter.
Q.2 (a) Discuss the uses of slope deflection method.
03
(b) Derive shear equation in the case of analyzing the portal frame with side
04
sway.
(c) Analyse the beam shown in figure-2 by slope deflection method. Also plot
07
BMD.
Q.3 (a) Discuss framed structures and enlist the types of framed structures.
03
(b) Discuss actions and displacements.
04
(c) Write the differences between Stiffness Method and Flexibility
07
Method.
Q.4 (a) State and prove the Castingliano's 1stTheorem.
03
(b) Calculate the central deflection for a simply supported beam of length
04
`l' subjected to audl`w'throughout its span using Castingliano's
1stTheorem.
(c) Analyse the beam shown in figure-3 by Flexibility Method.
07
Q.5 (a) Discuss Castingliano's 2nd Theorem.
03
(b) Determine the reactions at the supports for a propped cantilever beam
04
of length `l' subjected to a udl `w'throughout its span using principle
of minimum strain energy.
(c) For a cantilever beam, show that stiffness and flexibility matrices are
07
reciprocal to each other.
Q.6 (a) What is influence line diagram? What is the significance of influence
03
line diagram?
(b) State Mullar Breslau's principle.
04
(c) Draw the influence line diagrams for support reactions Va and Vb for a
07
propped cantilever beam shown in figure-4.
Q.7 (a) Calculate the deflection at the free end of a cantilever beam subjected
03
to udl using Castingliano's 1st Theorem.
(b) Discuss Castingliano's 2nd Theorem to solve an indeterminate truss.
04
(c) Draw the Influence line diagram for Reactions at the supports and
07
shear force and bending moments at any section C for a simply
supported beam.
Q.8 (a) Discuss limitations of Castingliano's 1st Theorem.
03
(b) Write the characteristics of ILD for statically indeterminate structures.
04
1
(c) A train of loads shown in figure-5 crosses a simply supported girder
07
2
of span 18m from left to right. Calculate maximum SF and BM at
section 8m from left.
Figure-1
Figure-2
Figure-3
Figure-4
Figure-5
3
This post was last modified on 04 March 2021