engineering disasters

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ENGINEERING DISASTERS Group 4 David Smulski Brad Ward Kevin Lang Dan Phillips

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Page 1: Engineering Disasters

ENGINEERING DISASTERS

Group 4David SmulskiBrad WardKevin LangDan Phillips

Page 2: Engineering Disasters

ST. FRANCIS DAM FAILURE

Page 3: Engineering Disasters

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

Page 4: Engineering Disasters

BIG DIG CEILING COLLAPSE

Page 5: Engineering Disasters

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

Page 6: Engineering Disasters

I-35 BRIDGE COLLAPSE

Page 7: Engineering Disasters

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

Page 8: Engineering Disasters

NEW ORLEANS LEVEE FAILURES

Page 9: Engineering Disasters

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.

Page 10: Engineering Disasters

CHARLES DE GAULLE ROOF COLLAPSE

Page 11: Engineering Disasters

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

Page 12: Engineering Disasters

TROPICANA PARKING GARAGE COLLAPSE

Page 13: Engineering Disasters

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

Page 14: Engineering Disasters

TACOMA NARROWS BRIDGE COLLAPSE

Page 15: Engineering Disasters

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.

Page 16: Engineering Disasters

BIG BLUE CRANE COLLAPSE

Page 17: Engineering Disasters

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

Page 18: Engineering Disasters

SUNSHINE SKYWAY BRIDGE DISASTER

Page 19: Engineering Disasters

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

Page 20: Engineering Disasters

SEONGSU BRIDGE COLLAPSE

Page 21: Engineering Disasters

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