Download GTU BE/B.Tech 2019 Winter 4th Sem Old 140603 Structural Analysis Ii Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER- IV (Old) EXAMINATION — WINTER 2019

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Subject Code: 140603

Date: 14/11/2019

Subject Name: Structural Analysis-II

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

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1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Write advantages and disadvantages of indeterminate structures. [07]

(b) Explain Castigliano’s 1^st and 2^nd theorems. [07]

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Q.2 (a) Calculate central deflection for a simply supported beam subjected to udl throughout its entire span by Castigliano’s 1^st theorem. [07]

(b) Derive the equation of fixed end moment developed due to UDL of intensity ‘w’ on a fixed beam AB of length ‘L’. [07]

OR

(b) What is fictitious load method? How it is used to determine unknown deflection? [07]

Q.3 (a) Using Castigliano’s 2^nd theorem, find the vertical reaction at point C for the frame shown in figure-1 and plot BMD for it. Take EI=Constant. [07]

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(b) Analyze the beam shown in figure-2 by slope deflection method. Also draw SFD and BMD. [07]

OR

(a) Write the differences between a normal and Conjugate beam. [07]

(b) Analyze the beam shown in figure-2 by moment distribution method. Also draw SFD and BMD. [07]

Q.4 (a) What is an influence line diagram? Explain its importance in structural analysis? [07]

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(b) Analyse the beam shown in figure-2 by Kani’s method. [07]

OR

(a) State and explain Muller Breslau principle [07]

(b) Draw influence line diagram for support reactions Va and Vb for a propped cantilever beam of 10m length. [07]

Q.5 (a) Analyze the propped cantilever beam shown in figure-3 by Consistent deformation method. [07]

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(b) Write the advantages and disadvantages of prestressed concrete. [07]

OR

(a) Explain methods of pre-tensioning and post-tensioning. [07]

(b) Define 1) Relative stiffness, 2) carryover factor and 3)distribution factor [07]

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