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[narrator] Initially, speculation focused
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Engineering Catastrophes

Initially,speculation focused on the bridge's distinctiveconcrete arches. {\an8}Some of...

[narrator] Initially,
speculation focused on the bridge's distinctive
concrete arches. {\an8}Some of the first
photographs in the news {\an8}showed one of the concrete
arches on the ground

Full Transcript

00:00:01.000 --> 00:00:03.101
[narrator] Initially, speculation focused
00:00:03.101 --> 00:00:06.101
on the bridge's distinctive concrete arches.
00:00:07.034 --> 00:00:08.701
{\an8}Some of the first photographs in the news
00:00:08.701 --> 00:00:11.501
{\an8}showed one of the concrete arches on the ground.
Duration
13 seconds
Views
18
Timestamp in Movie
00:19:36
Uploaded
Oct 28, 2025
Season
6
Episode
5
Genres
documentary
Production
Moviecoop

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Movie Summary

With access to all phases of design and a large cast of experts, some of the great failures of engineering history are uncovered.
S06 • E09 According to reports, a crane lifting a wall panel - Engineering Catastrophes 00:09
According to reports, a crane lifting a wall panel
S06 • E03 The problem is that it changes how concrete behaves. - Engineering Catastrophes 00:06
The problem is that it changes how concrete behaves.
S06 • E07 For a bridge such as the Nipigon River Bridge, - Engineering Catastrophes 00:09
For a bridge such as the Nipigon River Bridge,
S06 • E10 So now, you may get separation - Engineering Catastrophes 00:34
So now, you may get separation
S06 • E04 {\an8}Too many explosives would risk hurling debris around the site, - Engineering Catastrophes 00:08
{\an8}Too many explosives would risk hurling debris around t...
S06 • E02 It can handle heavy vertical loads really well. - Engineering Catastrophes 00:08
It can handle heavy vertical loads really well.
S06 • E01 [narrator] But what had caus this huge sinkhole to open u - Engineering Catastrophes 00:26
[narrator] But what had caus this huge sinkhole to open u
S06 • E03 [narrator] While the creep weakened the connections to the steel pylons, - Engineering Catastrophes 00:20
[narrator] While the creep weakened the connections to th...
S06 • E09 NARRATOR: Civil engineer Nestor Cueto followed the case. - Engineering Catastrophes 00:05
NARRATOR: Civil engineer Nestor Cueto followed the case.
S06 • E07 These bearings have to allow for the fact that the bridge is - Engineering Catastrophes 00:14
These bearings have to allow for the fact that the bridge is
S06 • E05 Giving the impression that, maybe, that's what failed. - Engineering Catastrophes 00:19
Giving the impression that, maybe, that's what failed.
S06 • E02 A massive strike that can cause it to crack, - Engineering Catastrophes 00:26
A massive strike that can cause it to crack,
S06 • E09 This impact could have caused a shift in the column, - Engineering Catastrophes 00:15
This impact could have caused a shift in the column,
S06 • E04 They... they do not bring the structure down. - Engineering Catastrophes 00:08
They... they do not bring the structure down.
S06 • E06 Once in place, - Engineering Catastrophes 00:14
Once in place,
S06 • E04 [Joel] There was a lot of speculation about exactly what went wrong. - Engineering Catastrophes 00:08
[Joel] There was a lot of speculation about exactly what wen...
S06 • E08 [narrator] Property owner Thor Mitskog heard the devastating news. - Engineering Catastrophes 00:11
[narrator] Property owner Thor Mitskog heard the devastating...
S06 • E03 But although it seems rock solid, granite is porous - Engineering Catastrophes 00:08
But although it seems rock solid, granite is porous
S06 • E07 NARRATOR: As Geoff demonstrates, the system allowing - Engineering Catastrophes 00:10
NARRATOR: As Geoff demonstrates, the system allowing
S06 • E09 KWAMI: Records show that although the damaged column - Engineering Catastrophes 00:09
KWAMI: Records show that although the damaged column