Over 220,000 fatalities Over 300,000 homes damage/destroyed Over 1.5 M people affected

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The Role of Building Codes in Delivering Seismic Performance John Hooper Director of Earthquake Engineering Magnusson Klemencic Associates. Over 220,000 fatalities Over 300,000 homes damage/destroyed Over 1.5 M people affected No Building Codes. M W 7.0. Under 500 fatalities - PowerPoint PPT Presentation

Text of Over 220,000 fatalities Over 300,000 homes damage/destroyed Over 1.5 M people affected

  • The Role of Building Codes in Delivering Seismic Performance John Hooper Director of Earthquake Engineering Magnusson Klemencic Associates

  • Over 220,000 fatalities

    Over 300,000 homes damage/destroyed

    Over 1.5 M people affected

    No Building CodesMW 7.0

  • MW 8.8 Under 500 fatalities

    Displaced population: 800,000

    Estimated damage: $30B US

    Building Codes Similar to US

  • Performance of Chilean Buildings Post 1985Buildings that collapsed: 4 (approximately)Buildings to be demolished: 50 (estimated)Number of buildings 3+ stories: 9,974Number of buildings 9+ stories: 1,939Failures of 3+ stories: 0.5%Failures of 9+ stories: 2.8%

  • Life Safety Performance

  • Life Safety Performance

  • Seismic Design Codes based on USGS National Seismic Hazard Map

  • SummaryBuilding Codes (and their enforcement) make a differenceContinued Code updates are essentialAnalysisPhysical ResearchEarthquake ReconnaissanceIs Life Safety Performance adequate?

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