Post Seismic Bridge Inspection Columns 10 Steps of

Post Seismic Bridge Inspection Columns

10 Steps of Assessment 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Check Approaches Check Rails Check Expansion Joints Check Wingwalls Check Abutments Check Bearings Check Girders Check Soffit and Deck Check Bents or Columns Check Bent Caps

Ninth Part Bents or Columns 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Check Approaches Check Rails Check Expansion Joints Check Wingwalls Check Abutments Check Bearings Check Girders Check Soffit Check Bents or Columns Check Bent Caps

9. Bent or Column X 2. 1. 2. 3. 4. 5. 6. 7. 9. Bent or Column – exposed rebar chipped concrete or movement at ground line 9. 8.

9. Typical Bent and Columns

Exercise Fill out forms for the last bridge

STATE OF CALIFORNIA SAFETY ASSESSMENT PROGRAM BRIDGE Assessment Report No. _____

Assessment Report # _____

Assessment Report # _______

9. Ground Displacement near Column Soil Upheaval Large Soil Displacement Slope Failure

9. Bent or Column Open Gap at Foundation

9. Bent or Column (cont’d) Concrete Spall at Crossbeam

9. Bent or Column (cont’d) Shear Cracks

9. Bent or Column (cont’d)

Exercise Fill out forms for the last bridge

STATE OF CALIFORNIA SAFETY ASSESSMENT PROGRAM BRIDGE Assessment Report No. _____

Assessment Report # _____

Assessment Report # _______

9. Bent or Column (cont’d) Shear Cracks & Cover Spall

9. Bent or Column (cont’d) Shear Cracks & Cover Spall

9. Bent or Column (cont’d) Buckled Primary Reinf. Crumbled Core SModerate to Severe Damage: Spalled Column; Buckling of Primary Reinforcement (MCEER) Failed Confinement Reinf. SSevere Damage: Mid-height Flexural Damage (PEQIT) SSevere Damage: Confinement Failure (MCEER)

9. Bent or Column (cont’d) Outrigger Bent Cracks

9. Bent or Column (cont’d) Shear Cracks

10 Steps of Assessment 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Check Approaches Check Rails Check Expansion Joints Check Wingwalls Check Abutments Check Bearings Check Girders Check Soffit and Deck Check Bents or Columns Check Bent Caps

Tenth Part Bent Caps 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Check Approaches Check Rails Check Expansion Joints Check Wingwalls Check Abutments Check Bearings Check Girders Check Soffit Check Bents or Columns Check Bent Caps

10. Bent Cap or Cross Braces 2. X 1. 2. 3. 4. 5. 6. 7. 10. Bent Cap – Concrete – cracks/spalls Timber – cracked/crushed 10. 9. 8.

10. Bent Cap Catcher Block Minor Spalling of Concrete

10. Bent Cap (cont’d) Concrete Bent Cap Minor Spalling of Concrete

10. Bent Cap (cont’d) Vertical Steel Crossframe Buckling of Dislocation of Connection Plate