Dr. JOB THOMAS CUSAT

1. MODULE 1

2. PRETENSIONING

3. POSTTENSIONING

4. P0STTENSIONING

5. POSTTENSIONING

6. STAGES OF LOADING -PRETENSIONING

7. STAGES OF LOADING -
POSTTENSIONING

8. PARTIAL PRESTRESSING

9. PARTIAL PRESTRESSING

10. STRAIN CHARACTERISTIC

11. STEEL WIRES

12. STEEL STRANDS

13. STEEL STRANDS

14. STEEL BAR

15. STEEL BAR

16. STEEL BAR

17. FIBRE GLASS TENDONS

18. FIBRE GLASS TENDONS

19. GROUTING

20. GROUTING

21. GROUTING

22. GROUTING

23. MODULE 2

24. END ANCHORAGE

25. END ANCHORAGE

26. TENSIONING METHODS IN POST
TENSIONING
FREYSSINET SYSTEM

27. • FREYSSINET SYSTEM

28. MAGNAL BLATON SYSTEM

29. APPLYING TENSION USING HYDRAULIC
JACK

30. POSTTENSIONING SYSTEM USING
HYDRAULIC JACK

31. POSTTENSIONING SYSTEM

32. POSTTENSIONING SYSTEM-EXTERNAL

33. POSTTENSIONING SYSTEM-
UNBONDED

34. POSTTENSIONING ANCHORAGES
UTILISING WEDGE ACTION

35. POSTTENSIONING ANCHORAGE FOR
WIRES

36. POSTTENSIONING ANCHORAGE FOR
WIRES

37. POSTTENSIONING ANCHORAGE FOR
BARS

38. POSTTENSIONING ANCHORAGE FOR
BARS

39. POSTTENSIONING ANCHORAGE FOR
STRANDS

40. POSTTENIONING ANCHORAGE USING
WEDGE ACTION

41. MULTISTRAND POSTTENSIONING
SYSTEM

42. ELASTIC SHORTENING OF CONCRETE

43. ELASTIC SHORTENING OF CONCRETE

44. TIME DEPENDENT LOSS

45. TIME DEPENDENT LOSS

46. LOSS DUE TO CREEP OF CONCRETE

47. LOSS DUE TO CREEP OF CONCRETE

48. LOSS DUE TO SHRINKAGE OF
CONCRETE

49. LOSS DUE TO STEEL RELAXATION

50. LOSS DUE TO STEEL RELAXATION

51. LOSS DUE TO ANCHORAGE

52. LOSS OR GAIN DUE TO BENDING

53. FRICTIONAL LOSS

54. LOSS DUE TO ELONGATION OF
TENDONS

55. THANK YOU...