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Damage Illustrations

Damage Illustrations. Approach. Figure 14: Moderate Damage - Approach Slab Settlement at the Abutment. Note the cracking of the concrete barrier as well. Figure 15: Moderate to Major Damage - Approach Settlement After Northridge.

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Damage Illustrations

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  1. Damage Illustrations

  2. Approach

  3. Figure 14: Moderate Damage - Approach Slab Settlement at the Abutment. Note the cracking of the concrete barrier as well.

  4. Figure 15: Moderate to Major Damage - Approach Settlement After Northridge

  5. Figure 16: Moderate to Major Damage – Settlement of Bridge Approach

  6. Figure 56: Settlement at the bridge approach, likely caused by soil settlement around the abutment (Northridge EQ)

  7. Approach: Minor Settlement

  8. Figure 15: Minor Damage – Parapet Crushing / Spalling

  9. Figure 60: Moderate Damage: Transverse Movement of the Abutment Wingwall

  10. Settlement at Approach; Spalling

  11. Minor cracking of curb 100_8779

  12. Serious erosion behind wingwall 100_8783

  13. superstructure

  14. Figure 57: Moderate Damage – Bowing of Parapet and Handrail

  15. Figure 58: Misalignment of curb line and bowing of railing. Notice that the white edge line is slightly shifted at the joint.

  16. Figure 17: Severe Damage: Deck Collapse

  17. Figure 18 and 19: Severe Damage: Deck Collapse

  18. Figure 18 and 19: Severe Damage: Deck Collapse (I-10 and SR 118 Damage from Northridge EQ http://itsdocs.fhwa.dot.gov/jpodocs/repts_te/13775.html)

  19. Figure 24: Moderate Damage – Flexural Cracking of Concrete Girder (KTC)

  20. Figure 32: Severe Damage: Steel girder buckling

  21. Figure 28: Moderate Damage: Crack in web of steel girder. Flag condition.

  22. Figure 27: Minor Damage - Web stiffener damage. Note paint chipping.

  23. Joint – Minor Cracking, Separation 100_8746

  24. Pounding Damage

  25. Collateral Damage

  26. Collateral Damage

  27. Joints & bearings

  28. Figure 16: Moderate Damage - Vertical and horizontal movement at joint indicates possible bearing or girder displacement and damage

  29. Figure 16: Moderate Damage - Vertical and horizontal movement at joint indicates possible bearing or girder displacement and damage 100_8561

  30. Figure 20: Minor Damage: Misaligned Finger Joint

  31. Joint – Minor Cracking, Separation

  32. Figure 21: Minor Damage: Transverse Movement Along the Centerline (Check for bearing damage.)

  33. Figure 22: Moderate Damage: Differential Settlement and Expansion Joint Damage

  34. Figure 23: Moderate Damage - Spalled Concrete

  35. Figure 49: No Damage: Tilted Rocker Bearings. Movement due to Thermal Loads (INDOT)

  36. Figure 53: Severe Damage. Rocker Bearing Failure

  37. Figure 53: Severe Damage. Rocker Bearing Failure

  38. Figure 54: Severe Damage. Missing Abutment Bearing After Northridge After Northridge

  39. Damage to Anchor Bolts. Mark ‘YES’ for column #4.

  40. Figure 30: Minor Damage. Damage to anchor bolts

  41. Secondary members

  42. Figure 25: Minor Damage - Buckled Bracing Element.

  43. Figure 31: Moderate Damage - Fracture of lower lateral bracing.

  44. Soils / geotechnical / foundation

  45. Figure 33: Ground movement indicating possible foundation problem

  46. Figure 55: Evidence of Liquefaction near a pier

  47. Tilted pier wall 100_8761

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