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Engineering Catastrophes

But the bridge collapse itse wasn't the only problem. Vehicles had continued to drive...

[crashing] But the bridge collapse itse wasn't the only problem. Vehicles had continued to drive into the void until Robert and his cousin lit flares. Because of the way the bridge
is kind of designed,
if you're coming up, you don't see
what's happening

Full Transcript

00:00:01.000 --> 00:00:02.558
[crashing]
00:00:03.048 --> 00:00:06.838
But the bridge collapse itse wasn't the only problem.
00:00:06.084 --> 00:00:09.558
Vehicles had continued to drive into the void
00:00:09.006 --> 00:00:13.558
until Robert and his cousin lit flares.
00:00:13.056 --> 00:00:17.558
Because of the way the bridge is kind of designed, if you're coming up,
00:00:17.056 --> 00:00:19.158
you don't see what's happening.
Duration
20 seconds
Views
16
Timestamp in Movie
00:20:22
Uploaded
Oct 28, 2025
Season
6
Episode
2
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