Abstract
In this paper, three-tower cable-stayed bridge Jinan Jianbang as the researched object, is to built to two models of the bridge with piles and without piles using the finite element software , and is made dynamic characteristic analysis. Meanwhile it is compared the control force of and the elastic response spectra and time history analysis under different conditions.At the same time ,bridge model without pile is excitated by multi-point for traveling wave effect analysis. The results show that pile-soil effects make more greater impact on forces of large span structures, and traveling wave effect on the adverse effects of large-span cable-stayed bridge shoule be considered in the seismic design.
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