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Pacific Earthquake Engineering Research Center (PEER)

Pacific Earthquake Engineering Research Center (PEER). Leadership team. PEER. PEER Mission. Advance performance-based earthquake engineering to meet the needs of various stakeholders. PEER Mission. Advance performance-based earthquake engineering to meet the needs of various stakeholders.

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Pacific Earthquake Engineering Research Center (PEER)

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  1. Pacific Earthquake Engineering Research Center (PEER)

  2. Leadership team PEER

  3. PEER Mission • Advance performance-based earthquake engineering to meet the needs of various stakeholders.

  4. PEER Mission • Advance performance-based earthquake engineering to meet the needs of various stakeholders.

  5. Performance-based earthquake engineering Design for the achievement of specified results rather than adherence to prescribed means. (after May 2004)

  6. Prescriptive design approach • Linear analysis model • Prescribed strength • Prescriptive details • The outcome: • performance an undefined byproduct of design • limited role for engineer O P E N UBC 97, IBC 2000, etc.

  7. FEMA 356 Performance Levels IO LS CP PEER contribution 0 25% 50% 100% $, % replacement 0.0 0.0001 0.001 0.01 0.25 Casualty rate 0 1 7 30 180 Downtime, days Performance-Based Earthquake Engineering Concepts O P E N O P E N O P E N Collapse Onset Damage Threshold Base Shear Deformation PBEE today

  8. Decision Variable structural nonstructural Capital Losses Damage Measure Engineering Demand Parameter drift as an EDP Intensity Measure PBEE Approach and Application

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