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The I-beam, or girder, was bolted
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Engineering Catastrophes

The I-beam, or girder,was bolted down to what was calleda shoe plate

The I-beam, or girder,
was bolted down to what was called
a shoe plate

Full Transcript

00:00:01.000 --> 00:00:03.401
The I-beam, or girder, was bolted
00:00:03.501 --> 00:00:05.501
down to what was called a shoe plate.
Duration
7 seconds
Views
12
Timestamp in Movie
00:20:22
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 • 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...
S06 • E10 [narrator] The investigation also revealed - Engineering Catastrophes 00:33
[narrator] The investigation also revealed
S06 • E01 [narrator] When that happens the soil above drops throug - Engineering Catastrophes 00:09
[narrator] When that happens the soil above drops throug
S06 • E03 There's only one reason why the concrete failed. - Engineering Catastrophes 00:59
There's only one reason why the concrete failed.
S06 • E02 And that was one of the reasons - Engineering Catastrophes 00:08
And that was one of the reasons
S06 • E07 NARRATOR: But the expansion joint isn't just exposed - Engineering Catastrophes 00:18
NARRATOR: But the expansion joint isn't just exposed
S06 • E09 Without it, the tower of columns would become unstable, - Engineering Catastrophes 00:07
Without it, the tower of columns would become unstable,
S06 • E01 [narrator] On the surface, the Westwood sinkhole - Engineering Catastrophes 00:23
[narrator] On the surface, the Westwood sinkhole
S06 • E09 CUETO: And as the levels kept going up, - Engineering Catastrophes 00:06
CUETO: And as the levels kept going up,
S06 • E02 They didn't stand a chance. - Engineering Catastrophes 00:12
They didn't stand a chance.
S06 • E09 Without grout, the stresses on that shim plate - Engineering Catastrophes 00:06
Without grout, the stresses on that shim plate