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Engineering Disasters
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Engineering Disasters


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  • 1. Engineering Disasters
    Group 4
    David Smulski
    Brad Ward
    Kevin Lang
    Dan Phillips
  • 2. St. Francis Dam failure
  • 3. St. Francis Dam Failure
    Concrete gravity arch dam near Los Angeles, CA
    Failed on March 12, 1928
    Resulted in the death of more than 450 people
    Cause: It was built on a fault line in a weak geological area unable to support the dam
  • 4. Big Dig Ceiling Collapse
  • 5. Big Dig Ceiling Collapse
    July 10, 2006
    A concrete ceiling panel weighing 3 tons fell in the Fort Point Channel Tunnel in Boston
    The panel fell on a car, killing the passenger and injuring the driver
    Cause: The bolts used were too short and the epoxy used was not up to standards
  • 6. I-35 Bridge Collapse
  • 7. I-35 Bridge Collapse
    Minneapolis, Minnesota over the Mississippi River
    Collapsed on August 1, 2007 during the evening rush hour
    Resulted in the death of 13 people and injured 145
    Cause: Undersized gusset plates and increased deadweight due to construction error
  • 8. New orleans levee Failures
  • 9. New orleans levee Failures
    August 29, 2005 after Hurricane Katrina
    28 failures reported in the first 24 hours and over 50 in the following days
    85% of New Orleans was flooded
    Cause: Overtopping of levees, undermining of flood wall foundations, and soil giving way.
  • 10. Charles de gaulle roof collapse
  • 11. Charles de gaulle roof collapse
    May 23, 2004 at Charles De Gaulle Airport in Paris, France
    A portion of Terminal 2E’s ceiling collapsed
    Resulted in the death of 4 people
    Cause: The concrete vaulted ceilings were pierced by metallic pillars and the design had little margin for error to reduce costs
  • 12. Tropicana Parking Garage collapse
  • 13. Tropicana Parking Garage collapse
    October 30, 2003 at the Tropicana Casino in Atlantic City
    4 construction workers were killed and 21 others were injured
    Cause: The concrete floors were not allowed to cure properly before temporary supports were removed and additional floors built
  • 14. Tacoma Narrows Bridge Collapse
  • 15. Tacoma Narrows Bridge Collapse
    November 7, 1940 in Washington State
    Cause: Aeroelastic flutter caused by 42 mph winds. The wind matched the resonance frequency of the bridge causing the main span to collapse.
  • 16. Big Blue crane collapse
  • 17. Big Blue crane collapse
    July 14, 1999
    Occurred during the construction of Miller Park in Milwaukee
    3 people were killed as a result
    One of the most serious heavylift crane accidents
    Cause: The effect of side winds was not calculated for the 450 ton load
  • 18. Sunshine Skyway bridge disaster
  • 19. Sunshine Skyway bridge disaster
    May 9, 1980
    The southbound span of the original bridge was destroyed
    Resulted in the death of 35 people
    Cause: The freighter MV Summit Venture collided with a support column sending 1200 feet of bridge into Tampa Bay
  • 20. Seongsu Bridge Collapse
  • 21. Seongsu Bridge Collapse
    October 21, 1994
    32 people died and 17 injured
    A concrete slab fell from the bridge when the suspension structure failed
    Cause: Improper welding of the steel trusses of the suspension structure beneath the roadway