1. One Corps Serving the Armed Forces and the Nation Mel Price Locks & Dam Miter Gate Inspections Navigation Lock and Dam Inspection and Emergency Repairs Workshop 18 - 20 April 2006

2. One Corps Serving the Armed Forces and the Nation Navigation Lock and Dam Inspection and Emergency Repairs Workshop 18 - 20 April 2006

3. One Corps Serving the Armed Forces and the Nation 3 October 2004 – Auxiliary Lock Downstream Miter Gate

4. One Corps Serving the Armed Forces and the Nation Auxiliary Lock Downstream Miter Gate

5. One Corps Serving the Armed Forces and the Nation FLOW IL LEAF MO LEAF Leafs Forced Downstream From Normal Mitered Position

6. One Corps Serving the Armed Forces and the Nation Initial Inspection Determine scope of damage Gather “forensic evidence”

7. One Corps Serving the Armed Forces and the Nation Overall Distortion – Approximately 2 Feet

8. One Corps Serving the Armed Forces and the Nation Local Damage – Miter Ends

9. One Corps Serving the Armed Forces and the Nation Damage to Gate Anchorages Secondary Anchorage Primary Anchorage

10. One Corps Serving the Armed Forces and the Nation Primary Anchorage Fatigue

11. One Corps Serving the Armed Forces and the Nation Secondary Anchorage Deflection

12. One Corps Serving the Armed Forces and the Nation Miter Block – IL Leaf

13. One Corps Serving the Armed Forces and the Nation Timber Fender – MO Leaf

14. One Corps Serving the Armed Forces and the Nation Miter Block – IL Leaf

15. One Corps Serving the Armed Forces and the Nation Diagonal Failure - Buckled

16. One Corps Serving the Armed Forces and the Nation Cracked Gusset – IL Leaf

17. One Corps Serving the Armed Forces and the Nation Cracked Gusset – MO Leaf

18. One Corps Serving the Armed Forces and the Nation Failed Operating Struts

19. One Corps Serving the Armed Forces and the Nation Operating Arm Failure Tube Failure Bolts (compression)

20. One Corps Serving the Armed Forces and the Nation Operating Strut Failure – IL Leaf Failure Bolts (compression) Intact Fractured Strut (tension)

21. One Corps Serving the Armed Forces and the Nation Failure Bolt (compression) Fractured Strut (tension) Operating Strut Failure – MO Leaf

22. One Corps Serving the Armed Forces and the Nation Failed Operating Strut

23. One Corps Serving the Armed Forces and the Nation Impact Marks

24. One Corps Serving the Armed Forces and the Nation Impact Marks

25. One Corps Serving the Armed Forces and the Nation Gouged Operating Strut

26. One Corps Serving the Armed Forces and the Nation Failure Tube Bolts

27. One Corps Serving the Armed Forces and the Nation Inspection of Leafs On Gate Barge

28. One Corps Serving the Armed Forces and the Nation Surveying Leaf

29. One Corps Serving the Armed Forces and the Nation Survey Results – Illinois Leaf 2’ 1’ 1.5’ 0.5’ 2.21’ max deflection

30. One Corps Serving the Armed Forces and the Nation Survey Results – Missouri Leaf 1.6’ max deflection

31. One Corps Serving the Armed Forces and the Nation Manlift for Inspection

32. One Corps Serving the Armed Forces and the Nation Inspection From Manlift

33. One Corps Serving the Armed Forces and the Nation Deformed Diaphragms Over 2” In Some Locations (most ½” or less)

34. One Corps Serving the Armed Forces and the Nation Inspections - Leafs Horizontal

35. One Corps Serving the Armed Forces and the Nation Leafs In Horizontal Position

36. One Corps Serving the Armed Forces and the Nation Crack at Diaphragm Flanges

37. One Corps Serving the Armed Forces and the Nation Crack in Girder Flanges

38. One Corps Serving the Armed Forces and the Nation Torch Cut Hole in Girder Flange

39. One Corps Serving the Armed Forces and the Nation Inspection of Repairs

40. One Corps Serving the Armed Forces and the Nation UT Inspection of Diagonal Gusset

41. One Corps Serving the Armed Forces and the Nation UT Inspection of Diagonal Gusset

42. One Corps Serving the Armed Forces and the Nation Welding Strut Arm at Service Base

43. One Corps Serving the Armed Forces and the Nation MT Inspection of Strut Arm at Shop

44. One Corps Serving the Armed Forces and the Nation UT Inspection of Strut Arms

45. One Corps Serving the Armed Forces and the Nation UT Inspection of Strut Arms

46. One Corps Serving the Armed Forces and the Nation UT Testing Of Repaired Cracks

47. One Corps Serving the Armed Forces and the Nation Diagonal Modification

48. One Corps Serving the Armed Forces and the Nation Lower Diagonal Gusset

49. One Corps Serving the Armed Forces and the Nation Stress Relieving Diagonal Gusset

50. One Corps Serving the Armed Forces and the Nation Top End of Diagonal

51. One Corps Serving the Armed Forces and the Nation Bottom End of Diagonal

52. One Corps Serving the Armed Forces and the Nation Bottom End of Diagonal Undercut

53. One Corps Serving the Armed Forces and the Nation Gudgeon Hood Casting

54. One Corps Serving the Armed Forces and the Nation Casting Weld Repair Defect

55. One Corps Serving the Armed Forces and the Nation Stay Tuned……………. Mel Price Lock and Dam Miter Gate Inspections

56. One Corps Serving the Armed Forces and the Nation Inspections - Other Projects

57. One Corps Serving the Armed Forces and the Nation Locks 27 - Miter Gate Inspections and Instrumentation

58. One Corps Serving the Armed Forces and the Nation Locks 27 – Auxiliary Lock Miter Gate

59. One Corps Serving the Armed Forces and the Nation Cracks in Girder Flanges

60. One Corps Serving the Armed Forces and the Nation Sill Vertical Diaphragms Bottom Girder Designed as horizontally framed

61. One Corps Serving the Armed Forces and the Nation Instrumentation of Typical Connection

62. One Corps Serving the Armed Forces and the Nation Diaphragm Flange Girder Flange Strain Transducer

63. One Corps Serving the Armed Forces and the Nation Instrumentation Results Stresses Higher in Diaphragm

64. One Corps Serving the Armed Forces and the Nation Lock 27 Miter Gate Instrumentation Results Diaphragm Flange 8 ksi T Web 4 ksi T Girder Flange 7 ksi T Web 3 ksi C

65. One Corps Serving the Armed Forces and the Nation Locks 27 - Main Lock – Jan 2003

66. One Corps Serving the Armed Forces and the Nation Locks 27 - Main Lock – Jan 2003 Failed Diagonal Rods

67. One Corps Serving the Armed Forces and the Nation Why are rods failing? 1) Cyclic loading (beach marks = fatigue) 2) Bending (Unidirectional - beach marks on one side)

68. One Corps Serving the Armed Forces and the Nation Instrumentation of Diagonals

69. One Corps Serving the Armed Forces and the Nation Instrumentation on Diagonals

70. One Corps Serving the Armed Forces and the Nation Instrumentation Results One Lockage = Many Cycles

71. One Corps Serving the Armed Forces and the Nation Rope Access Inspections Tainter gates at flood control projects Tainter gates at navigation project Dam bulkheads Miter gates

72. One Corps Serving the Armed Forces and the Nation Clarence Cannon Dam Spillway and Tainter Gates

73. One Corps Serving the Armed Forces and the Nation Locks 27 Miter Gate

74. One Corps Serving the Armed Forces and the Nation Kaskaskia L&D Tainter Gate

75. One Corps Serving the Armed Forces and the Nation Carlyle Dam Tainter Gate

76. One Corps Serving the Armed Forces and the Nation Questions?