On Seismic Response of Bridge with New Design of Seismic Isolating Support Part

Technology and approaches for reducing the negative effect of seismic impact on transport infrastructure by using innovative technical solutions such as bridge supports and seismic isolation support devices for overpasses are offered in this issue. The new utility model proposed as isolating support part for bridges and overpasses with load capacity up to 50 tons and seismic intensity up to 8 points by MSK scale. On the base of developed utility model was tested bridge (overpass) response on external impact. It is the first stage before experimental testing and determination of the response on isolators at different seismic magnitudes and local soil properties, traffic loading, etc. It is necessary for creating technical regulations and determining the trial period for isolators. In this research was provided calculation and comparing analysis of bridge response by using new utility model, standard and movable tangential supporting parts. This is a theoretical assessment that requires a wide range tests on different types of overpasses and bridges.

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