Three-dimensional seismic fragility analysis method for bridge structure
A 3D seismic and bridge structure technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem that cannot be used in 3D seismic vulnerability, seismic vulnerability analysis and research have not been reported, comprehensive consideration of damage indicators and other issues to achieve accurate and reliable calculation results
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[0043] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0044] Such as figure 1 As shown, the present invention introduces the engineering structure reliability theory into the seismic vulnerability analysis of the bridge structure, and realizes the vulnerability analysis of the bridge structure under the action of three-dimensional earthquakes for the first time. The present invention aims at the current seismic vulnerability analysis method, the existing bridge structure seismic vulnerability damage index can only evaluate the seismic damage of a single direction (longitudinal or transverse) component, and cannot realize the damage evaluation of the bridge component under three-dimensional earthquake. The existing vulnerability calculation methods are methods established on the basis of one-dimensional damage index (single damage ind...
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