ST7008 Prestressed Concrete Structures M.E Question Bank : srmeaswari.ac.in

Name of the College : Easwari Engineering College
University : Anna University
Subject Code/Name : ST-7008-Prestressed Concrete Structures
Dept : Structural Engineering
Degree : M.E
Year: I
Website : srmeaswari.ac.in
Document Type : Question Bank

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/srmeaswari.ac.in/3331-ST7008-prestressed%20concrete%20QB.docx

SRM Easwari Prestressed Concrete Structure

QUESTION BANK :
TWO MARK :
1. What is the difference in load carrying mechanism between prestressed concrete and reinforced cement concrete in flexure under working condition?

Related : Easwari Engineering College ST7006 Design of Bridges M.E Question Bank : www.pdfquestion.in/3333.html

2. State the difference between wobble effect and curvature effect in losses due to friction.
3.Sketch the strain and stress-force diagram at mid span section of a pretensioned flexural member with a rectangular cross section, subjected to effective prestressing force ‘ p’ at an eccentricity ‘e’ at collapse. Indicates the salient features.

4. What is hoyer’s effect , in transfer of prestress in pretensioned members?
5. What is the effect of partial wire winding in prestressed concrete water tanks?
6. What is load balancing concept?7. Give the stress –strain diagram of Fe415 reinforcement and prestressing wire on the same figure, bringing out the nature pg the diagram and the range of their ultimate stress values.
8.what do you mean by a limit state design?
9. Sketch the permissible cable zone type II beams indicating the salient features
10. Give the line of transfer of prestressing force over an end block of a post tensioned members
11. When is prestressing advantages to columns?
12. Define prestressing .
13. Write down any two inequalities used in design of prestressed concrete beams for flexure under service load stress approach
14. Sketch the strain and stress / force diagram of a prestressed concrete beam section under collapse.
15. What are the advantages of linear transformation in continuous prestressed concrete beams
16. State any two classification of prestressed concrete beam section under flexure with respect to the magnitude of tensile stress( under service load).
17. Why high strength concrete is needed for prestressing?
18. How the losses due to elastic shorting can be adjusted for post tensioned beams
19. What is pressure line?
20. why is end blocks necessary for prestressing concrete beams?
21. What do you mean by linear transformation?
22. What do you mean by partial prestressing?
23. Why high tensile steel wires and high strength concrete are used for prestressed concrete?
24.discuss the measures to be adopted for counteracting elastic loss and friction loss in case of post tensioned members.
25. How can a prestressed concrete beam be considered to carry its own weight?
26. Draw a neat sketch of load-moment interaction diagrams and mark the salient valves
27.Out line the necessity of using composite section in prestressed concrete structures.
28.Why are non-prestressed reinforcements used in prestressed concrete ?
29. What are the advantages of prestressed concrete poles
30. Explain , how the friction loss in curved tendons could be reduced in post tensioned members.
31. Explain the term Hoyer effect on pretensioned elements
32. What are the advantages of partial prestressing?
33. What are cap cables?
34. List the different classifications of prestressing.
35. When is pre-tensioned preferred?
36. list some of the standard prestressing system
37. Distinguish between bonded and unboned tendons
38. List the various losses in prestress
39. what is anchorage zone and what is it significance
40. What are the advantages of composite construction?
41. What are the two inelastic properties of steel considered in assessing its quality? What are the codal requirements?
42.Name the various methods of pre-stressing concrete.
43.Define Kern distance.
44. Draw a sketch showing the stress distribution in end block by double anchor plate.
45. Explain conventional failure of an over reinforced pre-stressed concrete beam.
46. What is the stress induced in concrete due to circular pre-stressing?
47. Explain the effect of pre-stressing force in concrete poles.
48. What are the roles played by shear connectors in composite construction?
49. What are the forces considered in the calculation of deflection of pre-stressed concrete beams?
50. Why the deck slab of pre-stressed concrete bridges is mostly made of non-pre-stressed concrete?
51. Draw the cross sectional profile of most commonly used pre-stressed concrete beams in bridges.
52. State the reasons for which high tensile concrete is necessary in prestressed
concrete construction.
53 . List any four types of post tensioning losses.
54. What are the stages of loading to be considered in design of prestressed concrete section for flexure?.
55. What is the zone of transmission in end block of prestressed concrete structures?
56. List any two advantages in partial prestressing.
57. What are the needs of prestressing in compression members?
58. What do you by mean unpropped constructions with reference to composite prestressed concrete structures.
59. Draw any four types of composite pre-Stressed concrete sections.