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Photo Gallery | MIDTOWN | Photos of final report on 17th street bridge collapse

MIDTOWN | Photos of final report on 17th street bridge collapse
Submitted by Marc Richardson, Where U Live Producer
Friday, January 20th, 2012, 12:23pm
17th Street bridge Canopy Failure Investigation
17th Street bridge Canopy Failure Investigation
17th Street bridge Canopy Failure Investigation
Anchor core inspection
Section through bridge looking east
Canopy frame geometries
Adhesive anchor
Adhesive anchor
Canopy frames on roadway below
Fallen Canopy
Fallen Canopy
Fallen Canopy
Distress marks at steel pedestrian perch
Distress marks at Location 55
Spalls at anchor holes at 58
Spalls at top of parapet at Location 66
Wet epoxy component extracted from inside hole 56B
Videoscope observations, part of the anchor holes visual assessment
Videoscope observations, part of the anchor holes visual assessment
Videoscope observations, part of the anchor holes visual assessment
Videoscope observations, part of the anchor holes visual assessment
Videoscope observations, part of the anchor holes visual assessment
Anchor withdrawal away from failure
Missing connection plates on cantilever
Field-modified hole for anchor rod
Black paint marks on Frame 52
Yellow paint marks on Frame 51
Coring on south face of parapet
Load testing of anchor rod
Anchor 13A tested to failure
Core 55d split for visual assessment. Conclusion: "Poor mixing, poor proportioning, incomplete filling of holes"
Core 50d. Core 55d split for visual assessment. Conclusion: "Poor mixing, poor proportioning, incomplete filling of holes"
View of upright canopy, beginning of stress at bottom anchor
Beginning of stressed anchor
Anchor failure sequence
Anchor failure sequence
Anchor failure sequence
Anchor failure sequence, canopy begins to slide back and off the bridge
Anchor failure sequence
Anchor failure sequence
Anchor failure sequence
First anchors to fully release, frames 55 and 56

MIDTOWN - The pictures were attached in the final report on the 17th Bridge Canopy Failure that ended up collapsing on 75/85 North.

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