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NARRATOR: The crane's impact may or may not
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Engineering Catastrophes

The crane's impactmay or may not have played a rolein the disaster, but investigators...

NARRATOR: The crane's impact
may or may not have played a role
in the disaster, but investigators made another
discovery that definitively explained the collapse

Full Transcript

00:00:01.000 --> 00:00:03.367
NARRATOR: The crane's impact may or may not
00:00:03.367 --> 00:00:05.000
have played a role in the disaster,
00:00:05.066 --> 00:00:09.001
but investigators made another discovery that definitively
00:00:09.166 --> 00:00:10.567
explained the collapse.
Duration
12 seconds
Views
11
Timestamp in Movie
00:20:12
Uploaded
Oct 29, 2025
Season
6
Episode
9
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 • E05 [narrator] A judicial inquiry was launched - Engineering Catastrophes 00:32
[narrator] A judicial inquiry was launched
S06 • E10 From an engineering perspective, - Engineering Catastrophes 00:11
From an engineering perspective,
S06 • E01 Limestone interacts with the acidic rainwater - Engineering Catastrophes 00:23
Limestone interacts with the acidic rainwater
S06 • E02 [narrator] When the heavy barges struck the pier. - Engineering Catastrophes 00:07
[narrator] When the heavy barges struck the pier.
S06 • E06 We don't want the building structurally - Engineering Catastrophes 00:10
We don't want the building structurally
S06 • E03 [narrator] As water penetrat the granite exterior, - Engineering Catastrophes 00:12
[narrator] As water penetrat the granite exterior,
S06 • E08 [narrator] Thankfully despite the sudden and dramatic collapse, - Engineering Catastrophes 00:17
[narrator] Thankfully despite the sudden and dramatic collap...
S06 • E09 Some of the joints between the columns were missing - Engineering Catastrophes 00:07
Some of the joints between the columns were missing
S06 • E02 [crashing] - Engineering Catastrophes 00:20
[crashing]
S06 • E07 The I-beam, or girder, was bolted - Engineering Catastrophes 00:07
The I-beam, or girder, was bolted
S06 • E10 [Greg] Engineering is all about compromise. - Engineering Catastrophes 00:11
[Greg] Engineering is all about compromise.
S06 • E06 We want the beams to act like one long beam structurally. - Engineering Catastrophes 00:07
We want the beams to act like one long beam structurally.
S06 • E09 CUETO: The grouts were not properly installed - Engineering Catastrophes 00:10
CUETO: The grouts were not properly installed
S06 • E04 [narrator] Another possible factor is the precise way - Engineering Catastrophes 00:50
[narrator] Another possible factor is the precise way
S06 • E03 During the 40 years, part of the limestone washed out. - Engineering Catastrophes 00:13
During the 40 years, part of the limestone washed out.
S06 • E07 You've got expansion and contraction, - Engineering Catastrophes 00:12
You've got expansion and contraction,
S06 • E06 So the grout allows us to do that. - Engineering Catastrophes 00:39
So the grout allows us to do that.
S06 • E01 The trouble starts when the roof gets too thin - Engineering Catastrophes 00:07
The trouble starts when the roof gets too thin
S06 • E09 NARRATOR: The grout intended for these joints - Engineering Catastrophes 00:06
NARRATOR: The grout intended for these joints
S06 • E08 [narrator] So why had this historic dam failed so catastrophically? - Engineering Catastrophes 00:24
[narrator] So why had this historic dam failed so catastroph...