46 Dead. The Whole Bridge Hung From One Link.

Chapters

About this video

Learn how the Silver Bridge collapsed on December 15, 1967, due to a tiny corrosion crack in an eyebar. This video explains the fracture critical design flaw and the chain of events that led to the disaster. Chapters: 00:00 5:00 P.M. 00:14 No warning at all 00:35 One object 00:45 1928 00:58 A chain, not a cable 01:16 Why a chain 01:30 Cable vs chain 01:47 Two bars per link 02:07 The eye 02:19 Strong, not tough 02:32 At the speed of sound 02:48 Eyebar 330 03:05 The flaw 03:18 Thirty-nine years 03:33 Nowhere to look 03:49 The load kept climbing 04:05 Stopped traffic 04:21 Route 35 04:34 The sound 04:44 The bar lets go 04:58 The last minute 05:16 No half a bridge 05:28 Forty-six 05:39 A jigsaw of steel 05:56 The fracture face 06:14 The finding 06:28 The bridge was inspected. The flaw was somewhere 06:52 Three things 07:06 Every bridge 07:23 Fracture critical 07:39 The sister bridge 07:55 What replaced it 08:08 One link

From the video

5:00 P.M.
5:00 P.M.
46 Dead. The Whole Bridge Hung From One Link.
No warning at all
No warning at all
One object
One object
1928
1928
A chain, not a cable
A chain, not a cable
Why a chain
Why a chain
Two bars per link
Two bars per link
The eye
The eye
Strong, not tough
Strong, not tough
At the speed of sound
At the speed of sound
Eyebar 330
Eyebar 330

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46 Dead. The Whole Bridge Hung From One Link.