Concrete Coalition
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Transcript of Concrete Coalition
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Concrete CoalitionConcrete Coalition Toolkit
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Concrete Coalition
Earthquake Engineering Research Institute (EERI)
Pacific Earthquake Engineering Research Center (PEER)
Applied Technology Council (ATC)
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Hildebrand Hall
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Olive View Hospital
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Kaiser Permanente
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St. John’s Hospital
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Barrington Office Building
Van Nuys Holiday Inn
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Kobe - January 16,1995
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Consequences of earthquakes for the US
Event Deaths Economic Loss
Previous 1989 Loma Prieta 62 $10 billion
1994 Northridge 57 $20 billion
1995 Kobe Japan >5,500 $250 billion
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$200 billion2,000 – 6,000
Scenario Newport-Inglewood Fault (M7)
$200 billion3,000 – 8,000
Repeat of 1906 San Francisco
$33 billion>1,600Seattle Fault Scenario (M6.7)
$100 billion>4,000Hayward Fault Scenario (M7)Projected
$250 billion>5,5001995 Kobe Japan
$20 billion571994 Northridge
$10 billion621989 Loma PrietaPrevious
Economic LossDeathsEvent
Consequences of earthquakes for the US
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11
Algeria
Armenia
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Colombia
India
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TurkeyPhilippines
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Mexico
Japan
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U.S.A.
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Chances of Dying if a Major Earthquake Occurs
San Francisco 1 in 1000Istanbul 1 in 50
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How many killers are there?
“50% of the casualties are coming from 5% of the buildings.” Kircher et al., 2006
OperationalHeavyCollapse
Mexico City, 1985
Erzincan, 19920
20
40
60
80
100
Percentage
Kobe, 1995
Luzon, 1990
Otani (1999)
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The “Challenge”
Some concrete buildings constructed before the 1970’s might be dangerous.
Where are they ? Which ones are dangerous ?
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The “Next” Challenge
Retrofit is expensiveHow can we do better to reduce costs ?
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The Challenge of “Reality”
These buildings do not exist in a seismic vacuum.
What are the economic and social implications?
How can we develop community retrofit programs the represent the interests of all stakeholders?
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Initial California OES Effort Local representatives gather existing information/data.
◦ Inventories◦ Design and construction history◦ Ordinances and programs◦ Case histories
Assemble into accessible database◦ Research◦ Program development◦ Public policy credibility
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Concrete Coalition
“We need you!”
www.concretecoalition.org