CALTRANS SEISMIC DESIGN CRITERIA - California …

dot.ca.gov

Updated the online design tools for specific ation of Design Spectrum 3.2.1.2 Added definition of Design Spectrum for Functional Evaluation Earthquake 2.1.5 3.2.1.5 Modified the use of Damping Ratios (ratios other than 5% to require a PSDC)

  Design, Seismic, Caltrans, Caltrans seismic design