A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Seismic Design Criteria for Bridges and Other Highway Structures
This report presents the results of a review of seismic design criteria for highway bridges and other highway structures. It covers current design practice and criteria, ongoing research and development in design criteria, philosophies behind design approaches for highway bridges, tunnels, and retaining structures. The ATC-18 project team focused on current design practice and criteria for new bridges, as well as the philosophies on which they are based. This involved a review of existing U.S. standards along with the latest codes of Japan, New Zealand, and Europe. Guidelines developed for the Transportation Corridor Agencies for Orange County, California, and the new AASHTO Load and Resistance Factor Design (LRFD) Bridge Specifications were also reviewed. Issues addressed included performance criteria, importance classification, definitions of seismic hazard for areas where damaging earthquakes have longer return periods, design ground motion, duration effects, site effects, R factors, ductility demand, design procedures, foundation and abutement modeling, soil-structure interaction, seat widths, joint details, and detailing for limited ductility. Also reviewed was information from the ongoing ATC-32 project, a revision of Caltrans Bridge Design Specifications (Caltrans, 1993). The final phase of this ATC-18 project was to develop recommendations for the future direction of seismic code requirements. This was achieved by outlining a future standard which, among other things, incorporates a two-level design approach.
Seismic Design Criteria for Bridges and Other Highway Structures
This report presents the results of a review of seismic design criteria for highway bridges and other highway structures. It covers current design practice and criteria, ongoing research and development in design criteria, philosophies behind design approaches for highway bridges, tunnels, and retaining structures. The ATC-18 project team focused on current design practice and criteria for new bridges, as well as the philosophies on which they are based. This involved a review of existing U.S. standards along with the latest codes of Japan, New Zealand, and Europe. Guidelines developed for the Transportation Corridor Agencies for Orange County, California, and the new AASHTO Load and Resistance Factor Design (LRFD) Bridge Specifications were also reviewed. Issues addressed included performance criteria, importance classification, definitions of seismic hazard for areas where damaging earthquakes have longer return periods, design ground motion, duration effects, site effects, R factors, ductility demand, design procedures, foundation and abutement modeling, soil-structure interaction, seat widths, joint details, and detailing for limited ductility. Also reviewed was information from the ongoing ATC-32 project, a revision of Caltrans Bridge Design Specifications (Caltrans, 1993). The final phase of this ATC-18 project was to develop recommendations for the future direction of seismic code requirements. This was achieved by outlining a future standard which, among other things, incorporates a two-level design approach.
Seismic Design Criteria for Bridges and Other Highway Structures
C. Rojahn (author) / R. Mayes (author) / D. G. Anderson (author) / J. Clark (author) / J. H. Hom (author)
1997
208 pages
Report
No indication
English
Highway Engineering , Soil & Rock Mechanics , Highway bridges , Bridge design , Design criteria , Seismic design , Earthquake engineering , Tunnels , Foundations(Structures) , Retaining walls , Bridge abutments , Requirements , Building codes , Seismic loads , Deformation , Ductility , Ground motion , Soil-structure interaction , Rock mechanics , Soil mechanics
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