Deflection of Determinate Structures

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  • Topic: Beam, Second moment of area, Shear stress
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DEPARTMENT OF CIVIL ENGINEERING ANNA UNIVERSITY QUESTION BANK CE 2302 – STRUCTURAL ANALYSIS-I TWO – MARK QUESTIONS DEFLECTION OF DETERMINATE STRUCTURES

UNIT I

1. 2. 3. 4. 5. 6. 7.

Write any two important assumptions made in the analysis of trusses? Differentiate perfect and imperfect trusses? Write the difference between deficient and redundant frames? What are the situations wherein sway will occur in portal frames? Define degrees of freedom. State Castiglione’s first theorem? Define Flexural Rigidity of Beams MOVING LOADS AND INFLUENCE LINES

UNIT II

8. What is meant by ILD? 9. What are the uses of influence line diagrams? 10. State Muller Breslau’s principle. 11. Sketch the influence line diagram for shear force at any section of a simply supported beam 12. In the context of rolling loads, what do you understand by the term equivalent uniformly distributed load? 13. How will you obtain degree of static determinacy? 14. What is degree of kinematic indeterminacy UNIT III ARCHES

15. State the types of arches. 16. What is a three hinged arch? 17. Write the equation to define the centre line of a circular arch? 18. Name the different types of arch as per structure configuration 19. Give an expression for the determination of horizontal thrust of a two hinged arch considering bending deformation only 20. Explain the transfer of load to the arches. 21. Differentiate between the cable and arch. 22. Write down the expression for the horizontal thrust when the two hinged arch is subjected to uniformly distributed load thought the span. 23. What the degree of redundancy of two hinged arch? 24. Explain the term Horizontal thrust.

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25. What is ‘H’ of the symmetrical two hinged parabolic arch due to UDL extending to the full length of span? Take central rise = span. 26. A symmetrical three hinged arch (circular) supports a load ‘W’ at the crown. What is the 1 8

value of H? 27. What is the degree of static indeterminacy of a three hinged parabolic arch? UNIT-IV SLOPE DEFLECTION METHOD 28. State relative merit of moment distribution method over slope deflection method. 29. Name the three classical force methods used in the analysis of continuous beams. 30. What are the limitations of slope deflection method?

31. Draw the deflected shape of the beam shown

32. Write down the equilibrium equations used in slope deflection methods. 33. Why is slope deflection equation method known as stiffness method? 34. What are the basic assumptions made in slope deflection method? UNIT-V MOMENT DISTRIBUTION METHOD 35. What are the advantages of slope-deflection method over moment distribution method? 36. What is meant by relative stiffness of a member? 37. Define carry over factor? 38. Define distribution factor and carry over factor in moment distribution method. 39. 40. 41. 42. 43. 44. Explain the terms ‘distribution factor’ and ‘carry over factor’ State stiffness of a member. Define distribution factor. What is relative stiffness? Write the three moment equation for general case. Determine the fixed end moment of the beam shown in fig.

45. Define Stiffness factor. 46. What do you mean by carry over factor? www.Vidyarthiplus.com Page 2

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47. Write the expression for fixed end moment for a beam subjected to sinking of support by an amountδ. 48. Give the carry over factor of a bending member when the far end is (i) hinged (ii) fixed. 49. State the advantages of continuous beam over simply supported beam. PART –B QUESTION

UNIT –II 1. A beam ABC is supported at A, B and C as shown in Fig. 7. It has the hinge at D. Draw the influence lines for

(1) reactions at A, B and C (2) shear to the right of B (3) bending moment at E

A

D

B

E

C

2m 4m 3m 8m

2.

Determine the influence line ordinates at any section X on BC of the continuous beam ABC shown in Fig. 8, for reaction at A.

X A B

x C

5m...
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