The ATC-32-1 report, Improved Seismic Design Criteria for California Bridges: Resource Document, is now available in electronic pdf format on USB. The report was funded by Caltrans. (Published 1996, 365 pages. Also available in paper format, see ATC-32-1)
ABSTRACT: This report, a companion to the ATC-32 Report, documents pertinent background material and the technical basis for the recommendations provided in ATC-32, including potential recommendations that showed some promise but were not adopted. Topics include: design concepts, seismic loading, including ARS design spectra, dynamic analysis, foundation design, ductile component design, capacity protected design, reinforcing details, and steel bridges.
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