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The northwestern expansion joint had failed
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Engineering Catastrophes

The northwestern expansionjoint had failed, and the tension from the main cables had...

The northwestern expansion
joint had failed, and the tension from the main cables had pulled
the deck vertically by two feet

Full Transcript

00:00:01.000 --> 00:00:03.834
The northwestern expansion joint had failed,
00:00:03.009 --> 00:00:05.101
and the tension from
00:00:05.201 --> 00:00:06.214
the main cables had pulled the deck vertically by two feet.
Duration
7 seconds
Views
10
Timestamp in Movie
00:19:22
Uploaded
Oct 28, 2025
Season
6
Episode
7
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 An investigation was launched, and engineers - Engineering Catastrophes 00:07
An investigation was launched, and engineers
S06 • E04 The building started moving and stopped. - Engineering Catastrophes 00:06
The building started moving and stopped.
S06 • E04 And the critical question is how much explosives - Engineering Catastrophes 00:14
And the critical question is how much explosives
S06 • E09 One potential clue was an event that - Engineering Catastrophes 00:07
One potential clue was an event that
S06 • E07 The question was what had caused it to happen. - Engineering Catastrophes 00:05
The question was what had caused it to happen.
S06 • E01 Now your home was basically a waste. - Engineering Catastrophes 00:12
Now your home was basically a waste.
S06 • E05 [narrator] Initially, speculation focused - Engineering Catastrophes 00:13
[narrator] Initially, speculation focused
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,