engineering disasters
TRANSCRIPT
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ENGINEERING DISASTERS
Group 4David SmulskiBrad WardKevin LangDan Phillips
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ST. FRANCIS DAM FAILURE
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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
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BIG DIG CEILING COLLAPSE
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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
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I-35 BRIDGE COLLAPSE
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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
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NEW ORLEANS LEVEE FAILURES
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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.
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CHARLES DE GAULLE ROOF COLLAPSE
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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
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TROPICANA PARKING GARAGE COLLAPSE
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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
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TACOMA NARROWS BRIDGE COLLAPSE
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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.
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BIG BLUE CRANE COLLAPSE
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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
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SUNSHINE SKYWAY BRIDGE DISASTER
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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
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SEONGSU BRIDGE COLLAPSE
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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