Development of Guidelines for Incorporation of Vertical Ground Motion Effects in Seis

mahyarov · 10-27-2012, 03:05 PM

Development of Guidelines for Incorporation of Vertical Ground Motion Effects in Seismic Design of Highway Bridges

This report describes a study which was conducted in order to assess the current provisions in the California Department of Transportation's Standard Design Criteria 2006 (SDC-2006) for incorporating vertical effects of ground motions in seismic evaluation and design of ordinary highway bridges. A series of simulations was carried out on a range of typical bridge configurations for the purpose of isolating the effects of vertical motions. Results from the simulations reveal that vertical ground motions can have a significant effect on the axial force demand in columns, moment demands at the face of the bent cap, and moment demands at the middle of the span.

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