Structural Failure
Examples of catastrophic failure of engineered structures include:
- The Tay Rail Bridge disaster of 1879, where the center half mile of the bridge was completely destroyed while a train was crossing in a storm. The bridge was badly designed and its replacement was built as a separate structure upstream of the old.
- The failure of the South Fork Dam in 1889 released 4.8 billion US gallons of water and killed over 2,200 people (popularly known as the Johnstown Flood).
- The failure of the St. Francis Dam in 1928 released 12 1/2 billion US gallons of water, resulting in a death toll of near 600 people.
- The collapse of the first Tacoma Narrows Bridge of 1940, where the main deck of the road bridge was totally destroyed by dynamic oscillations in a 40 mph wind.
- The De Havilland Comet disasters of 1954, later determined to be structural failures due to unanticipated metal fatigue at the corners of square windows used by the Comet 1.
- The 62 Banqiao Dams failure event in China in 1975, due to Typhoon Nina. Approximately 86,000 people died from flooding and another 145,000 died from subsequent diseases, total of 231,000 deaths.
- The Hyatt Regency walkway collapse of 1981, where a suspended walkway in a hotel lobby collapsed completely, killing many people on the structure and those below.
- The Space Shuttle Challenger of 1986, in which an O-ring of the rocket booster failed, and the entire vehicle was lost.
- The reactor at the Chernobyl power plant, which exploded in 1986 causing the release of a substantial amount of radioactive materials.
- The collapse of the Warsaw radio mast of 1991, which had up to that point held the title of world's tallest structure.
- The attack and subsequent fire at the World Trade Center on September 11, 2001, is believed to have weakened the floor joist to the point of catastrophic failure.
- The Space Shuttle Columbia of 2003, where damage to a wing during launch resulted in total loss upon re-entry.
- The collapse of the multi-span I-35W Mississippi River Bridge on August 1, 2007.
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