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[narrator] Ted Kniazewycz is Director of Structures

Engineering Catastrophes

Ted Kniazewyczis Director of Structures Ted Kniazewyczis Director of Structures at the...

Engineering Catastrophes • S06E04 • 2018

[narrator] Ted Kniazewycz
is Director of Structures [narrator] Ted Kniazewycz
is Director of Structures at the Tennessee Department
of Transportation. This is the tied-arch
structure, and the arch shape
is held together
by this tension tie beam, so the truss arch carries
all the load of the bridge and this tie girder
doesn't carry the deck load

Full Transcript

00:00:01.000 --> 00:00:02.002

[narrator] Ted Kniazewycz is Director of Structures

00:00:02.002 --> 00:00:03.002

[narrator] Ted Kniazewycz is Director of Structures

00:00:03.466 --> 00:00:05.767

at the Tennessee Department of Transportation.

00:00:07.366 --> 00:00:09.266

This is the tied-arch structure,

00:00:09.266 --> 00:00:13.006

and the arch shape is held together by this tension tie beam,

00:00:13.667 --> 00:00:17.366

so the truss arch carries all the load of the bridge

00:00:17.366 --> 00:00:19.009

and this tie girder doesn't carry the deck load.

Duration

21 seconds

Views

14

Timestamp in Movie

00:03:59

Uploaded

Oct 28, 2025

Season

6

Episode

4

Genres

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.