Seismic Evaluation of the Macy Street Bridge, Los Angeles, California, Using 3-D Nonlinear Pushover Methodologies

by John C. Castro, (A.M.ASCE),
Jason S. Maxwell,

Document Type: Proceeding Paper

Part of: Computing in Civil Engineering


Nonlinearity of the overall bridge response has begun to be incorporated in the design process through a method known as nonlinear static pushover analysis, and this step is now being required by Caltrans in the retrofit designs of major bridges. ANATECH Applications has been among the first to apply this method, and the capability consists of nonlinear beam elements used in conjunction with special purpose concrete and rebar constitutive models developed at ANATECH Research. In the past year, the technique has been successfully used on several bridge retrofit projects such as the Macy St. Bridge in Los Angeles, CA.

Subject Headings: Bridge design | Bridge tests | Seismic design | Nonlinear analysis | Seismic tests | Rehabilitation | Highway and road design | California | United States | Los Angeles

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