Calculating costs and benefits of investing in retrofitting
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Transcript of Calculating costs and benefits of investing in retrofitting
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Vitor Silva
GEM Foundation, Pavia, Italy
Calculating costs and benefits of investing in retrofitting
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Calculating costs and benefits of investing in retrofitting
Region of interest: Nepal
1. 2221 locations
2. 9144 assets
3. 5 taxonomies
4. ≈140.000 km2
5. Number, area,
economic value,
retrofitting cost.
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Calculating costs and benefits of investing in retrofitting
Scenario Risk CalculatorMagnitude: 7.0 Mw, Mean loss: 8.7 billion EUR, Standard deviation: 2.1 billion EUR
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Calculating costs and benefits of investing in retrofitting
Scenario Damage CalculatorMagnitude: 7.0 Mw
Damage distribution per asset
Total damage distribution
Damage distribution per taxonomy
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Calculating costs and benefits of investing in retrofitting
Scenario Damage CalculatorMagnitude: 7.0 Mw
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Calculating costs and benefits of investing in retrofitting
Benefit/Cost Ratio CalculatorPre-code and retrofitted vulnerability functions.
Original vulnerability model Retrofitted vulnerability model
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Calculating costs and benefits of investing in retrofitting
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Calculating costs and benefits of investing in retrofitting
Benefit/Cost Ratio Calculator
Benefit/cost ratio, AAL(original) and AAL(retrofitted).
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Calculating costs and benefits of investing in retrofitting
Benefit/cost ratio, AAL(original) and AAL(retrofitted).
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Calculating costs and benefits of investing in retrofitting
Benefit/cost ratio, AAL(original) and AAL(retrofitted).
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Calculating costs and benefits of investing in retrofitting
Seismic hazard map for 475 years
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Calculating costs and benefits of investing in retrofitting
Vulnerability model for structural components
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Calculating costs and benefits of investing in retrofitting
Vulnerability model for structural components
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Calculating costs and benefits of investing in retrofitting
Loss exceedance curves
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Calculating costs and benefits of investing in retrofitting
Optimal design map
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Calculating costs and benefits of investing in retrofitting
Optimal design map
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Calculating costs and benefits of investing in retrofitting
2012 Mw=5.9 Emilia-Romagna earthquake
24 fatalities400 injured20,000 homeless$17.4B direct losses
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Calculating costs and benefits of investing in retrofitting
Thank you.
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Except where otherwise noted, this work is licensed under: creativecommons.org/licenses/by-nc-nd/4.0/
Please attribute to the GEM Foundation with a link to -www.globalearthquakemodel.org