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ground motions for performance based design from IISC Bangalore
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  EERI    Seminar    on   Next    Generation    Attenuation   Models Ground Motions for Performance-Based Seismic Design Nicolas Luco, Research Structural Engineer  U.S. Geological Survey Golden, Colorado   Indian Institute of Science (IISc) Department of Civil Engineering Seminar   EERI    Seminar    on   Next    Generation    Attenuation   Models Outline of Presentation Tomorrow: ãNew “Risk-Targeted”Seismic Maps Introduced into USA Building Codes Today: ãProbabilistic Seismic Hazard Analysis (PSHA)ãPrevious “uniform-hazard”maps in USA building codesãGround motions for Next Generation Performance-Based Seismic Design Procedures for New and Existing Buildings (“ATC-58 Project”, funded by FEMA)   Indian Institute of Science (IISc) Department of Civil Engineering Seminar “Ground Motions for Performance-Based Seismic Design,”N. Luco, USGSMarch 5, 2013  EERI    Seminar    on   Next    Generation    Attenuation   Models Probabilistic Seismic Hazard Curves Results of Probabilistic Seismic Hazard Analysis (PSHA), pioneered by the late Prof. C. AllinCornell in 1968.   Indian Institute of Science (IISc) Department of Civil Engineering Seminar “Ground Motions for Performance-Based Seismic Design,”N. Luco, USGSMarch 5, 2013 Ground Motion Intensity    A  n  n  u  a   l    P  r  o   b .  o   f   E  x  c  e  e   d  a  n  c  e  EERI    Seminar    on   Next    Generation    Attenuation   Models Probabilistic Seismic Hazard  Analysis   Indian Institute of Science (IISc) Department of Civil Engineering Seminar “Ground Motions for Performance-Based Seismic Design,”N. Luco, USGSMarch 5, 2013 Steps: 1)Identify earthquake sources & develop PDF’sfor source-to-site distances, f  Ri (r) .2)Develop frequencies of earthquakes, ν   i , & PDF’sfor magnitudes, f  Mi (m) .3)Determine CDF for ground motion intensity y given m & r  .4)For each source …      ·        ·   |,        
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