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Once that column shifted from its intended position
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Engineering Catastrophes

Once that column shiftedfrom its intended position, it had a cascading effect, also known...

Once that column shifted
from its intended position, it had a cascading effect, also known as
progressive collapse

Full Transcript

00:00:01.000 --> 00:00:03.199
Once that column shifted from its intended position,
00:00:03.199 --> 00:00:04.299
it had a cascading effect,
00:00:04.399 --> 00:00:05.009
also known as progressive collapse.
Duration
7 seconds
Views
13
Timestamp in Movie
00:21:01
Uploaded
Oct 28, 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 • E07 {\an8}What they didn't know was why. - Engineering Catastrophes 00:06
{\an8}What they didn't know was why.
S06 • E09 This essentially causes the entire - Engineering Catastrophes 00:08
This essentially causes the entire
S06 • E07 MABRY: The failed bolts were sent for - Engineering Catastrophes 00:13
MABRY: The failed bolts were sent for
S06 • E01 When we're pulling water from the aquifer near - Engineering Catastrophes 00:12
When we're pulling water from the aquifer near
S06 • E05 [narrator] So why had this tried and true method used around the world - Engineering Catastrophes 00:10
[narrator] So why had this tried and true method used around...
S06 • E10 It was a big disaster. - Engineering Catastrophes 00:21
It was a big disaster.
S06 • E06 In other words, the columns weren't stacked up exactly right. - Engineering Catastrophes 00:06
In other words, the columns weren't stacked up exactly ...
S06 • E06 They weren't exactly aligned. - Engineering Catastrophes 00:42
They weren't exactly aligned.
S06 • E09 The unstable column failed in seconds, - Engineering Catastrophes 00:12
The unstable column failed in seconds,
S06 • E05 {\an8}The temporary structure is under constant pressure from the huge loads on top. - Engineering Catastrophes 00:07
{\an8}The temporary structure is under constant pressure fro...
S06 • E08 And also examine one of the gates next to it that was still intact, - Engineering Catastrophes 00:08
And also examine one of the gates next to it that was still ...
S06 • E07 NARRATOR: To cope with the huge forces at play, - Engineering Catastrophes 00:09
NARRATOR: To cope with the huge forces at play,
S06 • E01 [narrator] The imbalance in water levels in specific locations - Engineering Catastrophes 00:14
[narrator] The imbalance in water levels in specific loca...
S06 • E04 [narrator] With the blast in the past and the silo still standing, - Engineering Catastrophes 00:13
[narrator] With the blast in the past and the silo still sta...
S06 • E02 [narrator] In all, three spans of the bridge were rebuilt. - Engineering Catastrophes 00:19
[narrator] In all, three spans of the bridge were rebuilt...
S06 • E05 So the bolts need to be able to withstand massive forces. - Engineering Catastrophes 00:06
So the bolts need to be able to withstand massive forces.
S06 • E08 [narrator] Each oversized metal hinge consists - Engineering Catastrophes 00:28
[narrator] Each oversized metal hinge consists
S06 • E05 [narrator] Over time, cyclic loading or repeated stressors - Engineering Catastrophes 00:14
[narrator] Over time, cyclic loading or repeated stressors
S06 • E09 NARRATOR: With the cause discovered, - Engineering Catastrophes 00:07
NARRATOR: With the cause discovered,
S06 • E07 And what that meant is bolts, especially on the ends, - Engineering Catastrophes 00:14
And what that meant is bolts, especially on the ends,