Abstract
The friction force at movable supports has a certain influence on the seismic performance of the continuous beam bridge, so, the friction force should be taken into account in the seismic design of the bridges. The analytic model of the continuous bridge which including the effects of friction force at movable supports was put forward, and the analysis was done with the application of friction element. Through the analysis of a certain continuous beam bridge, the results indicate that the friction force can greatly decrease the earthquake action of this continuous beam bridge. And some suggestion on the bearing selection and the anti-seismic measure were also put forward according to the analysis.
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