16 episodes
Structural Integrity: Silver Bridge - for iPod/iPhone The Open University
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- Education
The 1967 collapse of the Silver Bridge over the Ohio River was an engineering mystery and a human tragedy - 46 people died. Why did a suspension bridge built to last a century not make 40 years? Built in 1928, it was a slimmer version of similar bridges built in nearby Pittsburgh. The slimming down was deemed to be safe because of the use of a tougher steel and ‘silver coloured anticorrosion paint’. The tracks in this album look at the factors which led to the catastrophic failure of one of the eyebars which supported the deck, and the subsequent forensic investigation which led to the creation of the National Bridge Inspection Standards to inspect the 1 million bridges of the USA. This material forms part of the course T357, Structural integrity: designing against failure.
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Structural Integrity: Silver Bridge
A short introduction to this album.
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Transcript -- Structural Integrity: Silver Bridge
A short introduction to this album.
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- video
The Silver Bridge Disaster
How the Silver Bridge and the Hi-Carpenter Bridge differed from other suspension bridges in one crucial aspect.
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Transcript -- The Silver Bridge Disaster
How the Silver Bridge and the Hi-Carpenter Bridge differed from other suspension bridges in one crucial aspect.
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- video
The Three Sisters Bridges
Why it's safer to incorporate more eyebars than are actually needed, to bear the weight of the bridge.
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Transcript -- The Three Sisters Bridges
Why it's safer to incorporate more eyebars than are actually needed, to bear the weight of the bridge.
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