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Statics Notes Day 2

Statics Notes Day 2 - See “ Why Buildings Fall Down” by...

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On July 17 th , 1981, several elevated walkways collapsed at the Hyatt Regency hotel in Kansas City. Over 1600 people were in the hotel that evening dancing, some of them on the walkways. There were 114 people killed and over 200 injured that night, many maimed for life. Failure 101 An analysis of this failure shows that the original design was faulty and the as-constructed design was fatally flawed. The design engineers involved failed to recognize some basic principles of Statics and consequently had their engineer’s licenses revoked.
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Unformatted text preview: See “ Why Buildings Fall Down” by Matthys Levy and Mario Salvadori, Norton and Company, 1992. W W welds washer threaded rod nut As designed walkways floor floor W W W/2 W/2 W/2 W/2 W/2 W/2 W W/2 W/2 W W W threaded rod As built walkways W W/2 W/2 W/2 W/2 W/2 W/2 lower deck W W W W W W W W W This doubled load caused the nut and washer to pull through the welded box beam at the upper deck and the walkways collapsed...
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Statics Notes Day 2 - See “ Why Buildings Fall Down” by...

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