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This means they don't drain very well
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Engineering Catastrophes

This means theydon't drain very well. Which not onlymakes them sticky but alsosusceptible...

This means they
don't drain very well. Which not only
makes them sticky but also
susceptible to movement. [narrator] With the weight
of the compacted
yet waterlogged soil pressing down on
the also wet clay below, it seems the slope failure
was only a matter of time. it seems the slope failure
was only a matter of time. In light of the findings,
transit authorities
made the decision to demolish the structure
and start again. Joshua's team
made a plan to rebuild with a road
less susceptible
to slope failure. [Joshua] We
took out all that fill. We drilled piles
into the ground. Filled them

Full Transcript

00:00:01.000 --> 00:00:03.000
This means they don't drain very well.
00:00:03.000 --> 00:00:08.001
Which not only makes them sticky but also susceptible to movement.
00:00:08.101 --> 00:00:11.301
[narrator] With the weight of the compacted yet waterlogged soil
00:00:11.301 --> 00:00:14.834
pressing down on the also wet clay below,
00:00:14.009 --> 00:00:17.654
it seems the slope failure was only a matter of time.
00:00:17.654 --> 00:00:17.734
it seems the slope failure was only a matter of time.
00:00:19.000 --> 00:00:22.501
In light of the findings, transit authorities made the decision
00:00:22.501 --> 00:00:25.734
to demolish the structure and start again.
00:00:27.201 --> 00:00:29.009
Joshua's team made a plan to rebuild
00:00:29.009 --> 00:00:33.201
with a road less susceptible to slope failure.
00:00:33.201 --> 00:00:34.008
[Joshua] We took out all that fill.
00:00:34.008 --> 00:00:36.834
We drilled piles into the ground.
00:00:36.834 --> 00:00:37.734
Filled them.
Duration
39 seconds
Views
15
Timestamp in Movie
00:40:30
Uploaded
Oct 29, 2025
Season
6
Episode
5
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 • E04 {\an8}With the ditch full, the water couldn't drain properly - Engineering Catastrophes 00:34
{\an8}With the ditch full, the water couldn't drain pro...
S06 • E07 {\an8}Like any situation where there's a difference - Engineering Catastrophes 00:11
{\an8}Like any situation where there's a difference
S06 • E10 And they added these side plates on the trusses, - Engineering Catastrophes 00:11
And they added these side plates on the trusses,
S06 • E08 Because it's so high up, there's nothing to stop - Engineering Catastrophes 00:18
Because it's so high up, there's nothing to stop
S06 • E01 [narrator] Taking a full yea By 1986, - Engineering Catastrophes 00:34
[narrator] Taking a full yea By 1986,
S06 • E09 NARRATOR: Not only are there lots of motors to keep running, - Engineering Catastrophes 00:08
NARRATOR: Not only are there lots of motors to keep running,
S06 • E06 The moisture of their breath would form clouds near the ceiling. - Engineering Catastrophes 00:13
The moisture of their breath would form clouds near the ceil...
S06 • E07 NARRATOR: Here, they achieved that by raising the abutment - Engineering Catastrophes 00:09
NARRATOR: Here, they achieved that by raising the abutment
S06 • E02 But with a full slate of events from music to sports, - Engineering Catastrophes 00:09
But with a full slate of events from music to sports,
S06 • E10 [narrator] Although the team didn't know it at the time, the fix hadn't worked. - Engineering Catastrophes 00:29
[narrator] Although the team didn't know it at the time...
S06 • E02 This was so complex, - Engineering Catastrophes 00:42
This was so complex,
S06 • E07 Fortunately, it was early enough that they realized - Engineering Catastrophes 00:08
Fortunately, it was early enough that they realized
S06 • E08 People pay a lot of money to live in this city center, - Engineering Catastrophes 00:25
People pay a lot of money to live in this city center,
S06 • E06 [narrator] In the end, Hitler's defeat prevented - Engineering Catastrophes 00:18
[narrator] In the end, Hitler's defeat prevented
S06 • E03 [narrator] Four decades late nature had other ideas, and the ice, - Engineering Catastrophes 00:32
[narrator] Four decades late nature had other ideas, and ...
S06 • E09 A ball joint is a critical element for construction, - Engineering Catastrophes 00:08
A ball joint is a critical element for construction,
S06 • E04 The eroded embankment collapsed like a landslide, - Engineering Catastrophes 00:34
The eroded embankment collapsed like a landslide,
S06 • E05 And then we put Styrofoam blocks in, - Engineering Catastrophes 00:16
And then we put Styrofoam blocks in,
S06 • E09 NARRATOR: Ultimately, it seems the problem is that this - Engineering Catastrophes 00:09
NARRATOR: Ultimately, it seems the problem is that this
S06 • E10 [narrator] The 2010 collapse - Engineering Catastrophes 00:35
[narrator] The 2010 collapse