The Bridge the Wind Tore Apart Four Months After It Opened
Closed To Trafic
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The Bridge the Wind Tore Apart Four Months After It Opened
46 просмотров · 12 дн. назад
Closed To Trafic
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46 просмотров · 12 дн. назад
On November 7, 1940, the deck of the first Tacoma Narrows Bridge twisted in the wind like a ribbon, and its center span fell into Puget Sound, a little over four months after the bridge opened. Why a bridge built for stronger winds came apart in a wind of about forty miles an hour, who chose its thin, light design and set the state engineer's first plan aside, what the engineers learned from the film shot that morning, and what still lies on the bottom of the Narrows.
The story in five parts
0:00 Introduction
0:45 Part 1: A Cheaper Bridge Across the Narrows
4:00 Part 2: Four Months of Galloping Gertie
6:47 Part 3: The Morning of November Seventh
11:02 Part 4: What the Engineers Learned
14:42 Part 5: What Lies on the Bottom
Did you cross the Tacoma Narrows bridges, or did someone in your family see the old bridge before it fell? Tell me in the comments.
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