Abstract
For the problem of analysis of earthquake response of cable-stayed tower bridge, the foundation is given as the rigid consolidation, do not consider the interaction of soil and structure, the finite element software ABAQUS is used for seismic response analysis. Taking the TCU052 and EI Centro wave which have different characteristics as the input of bridge tower, first to carry out the modal analysis of bridge tower structure, get various order of modal frequency of the bridge tower, then analyses the displacement response of the top of bridge tower in the bridge direction, the results showed that, under the pulse type seismic action the displacement response of bridge tower of large span cable-stayed bridge are increased.
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