Download GTU B.Tech 2020 Winter 5th Sem 3150614 Structural Analysis Ii Question Paper

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Subject Code: 3150614

BE- SEMESTER-V (NEW) EXAMINATION — WINTER 2020

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Subject Name: Structural analysis-11

Time: 10:30 AM TO 12:30 PM

Instructions:

1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.

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3. Figures to the right indicate full marks.

1. (a) Define portal frame. Discuss the causes of sway in a portal frame. (Marks: 03)
   (b) Define: 1) Distribution Factor 2) Relative stiffness (Marks: 04)
2. (a) Analyse the two storey portal frame shown in figure-1. Consider UDL Value=3 KN/Meter. (Marks: 07)
3. (a) Discuss the uses of slope deflection method. (Marks: 03)
   

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   (b) Derive shear equation in the case of analyzing the portal frame with side sway. (Marks: 04)
4. (a) Analyse the beam shown in figure-2 by slope deflection method. Also plot BMD. (Marks: 07)
5. (a) Discuss framed structures and enlist the types of framed structures. (Marks: 03)
   (b) Discuss actions and displacements. (Marks: 04)
6. (a) Write the differences between Stiffness Method and Flexibility Method. (Marks: 07)

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7. (a) State and prove the Castingliano’s 1^st Theorem. (Marks: 03)
   (b) Calculate the central deflection for a simply supported beam of length ‘l’ subjected to a udl ‘w’ throughout its span using Castingliano’s 1^st Theorem. (Marks: 04)
8. (a) Analyse the beam shown in figure-3 by Flexibility Method. (Marks: 07)
9. (a) Discuss Castingliano’s 2^nd Theorem. (Marks: 03)
   (b) Determine the reactions at the supports for a propped cantilever beam of length ‘l’ subjected to a udl ‘w’ throughout its span using principle of minimum strain energy. (Marks: 04)

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10. (a) For a cantilever beam, show that stiffness and flexibility matrices are reciprocal to each other. (Marks: 07)
11. (a) What is influence line diagram? What is the significance of influence line diagram? (Marks: 03)
    (b) State Mullar Breslau’s principle. (Marks: 04)
12. (a) Draw the influence line diagrams for support reactions V_A and V_B for a propped cantilever beam shown in figure-4. (Marks: 07)
13. (a) Calculate the deflection at the free end of a cantilever beam subjected to udl using Castingliano’s 1^st Theorem. (Marks: 03)
    

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    (b) Discuss Castingliano’s 2^nd Theorem to solve an indeterminate truss. (Marks: 04)
14. (a) Draw the Influence line diagram for Reactions at the supports and shear force and bending moments at any section C for a simply supported beam. (Marks: 07)
15. (a) Discuss limitations of Castingliano’s 1^st Theorem. (Marks: 03)
    (b) Write the characteristics of ILD for statically indeterminate structures. (Marks: 04)
16. (a) A series of concentrated loads shown in figure-5 crosses a simply supported girder from left to right. Calculate maximum SF and BM at 8m from left. (Marks: 07)

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Date: 03/02/2021

Total Marks: 56

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Figure-1, Figure-2, Figure-3, Figure-4, Figure-5 (Note: The actual figures are missing and would need to be inserted here if available.)

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