by Joseph Penzien and Wen Tseng
Penzien, Joseph, and Wen Tseng (2000). Seismic Performance Evaluation of Transportation Structures. SMIP2000
Seminar on Utilization of Strong-Motion Data, p. 65 - 76.
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This paper discusses the steps that are necessary in assessing the seismic performance of existing
and new transportation structures, including (1) characterizing expected ground motions, (2)
setting performance criteria, (3) modelling and dynamic analysis, and (4) interpreting predicted
dynamic response behavior. To establish a basis for assessing the performance of older existing
bridges, the history of loading criteria over the past 50 years, as specified in the U.S.
AASHO/AASHTO national bridge code, is reviewed.