Analysis of the impact of near-fault ground motions on the dynamic response of structures considering translational-torsional coupling for different site classifications
Analysis of the impact of near-fault ground motions on the dynamic response of structures considering translational-torsional coupling for different site classifications
In order to study the dynamic response of structures under ground motions at different sites,a steel frame structure model was established,and 10 near-fault seismic waves were selected for each site type of class Ⅰ,class Ⅱ and class Ⅲ.The coupling effects of the translational and torsional components of ground motions on the structural dynamic response were analyzed.The results show that the dynamic response of corner columns and side columns increases with the class Ⅰ to class Ⅲ,and the increase is the largest in classⅢ.With the same site type,the dynamic response of corner columns and side columns on the same floor increases,and the increase of corner columns is the largest,followed by side columns.It is necessary to consider the effect of the translational-torsional coupling of near-fault ground motions on the dynamic response of corner columns and side columns of different types of site in structures.
维普
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