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Seismic response analysis of multi-span cable-stayed bridge
Based on the dynamic characteristics analysis results of a precise three-dimensional finite element model, the earthquake responses of the bridge are analyzed in this paper. The influences of cable local modes and stabilizing cables on the seismic response are investigated by using different mode combinations and different models. It is found that the influence of cable local modes is negligible on the side towers while significant and not negligible on the main tower; the influence of the stabilizing cables is significant and not negligible on side towers, while minor and negligible on the main tower. As for the deck displacements, the influence of cable local modes is minor and negligible, while that of longitudinal stabilizing cables is significant and not negligible.
Seismic response analysis of multi-span cable-stayed bridge
Based on the dynamic characteristics analysis results of a precise three-dimensional finite element model, the earthquake responses of the bridge are analyzed in this paper. The influences of cable local modes and stabilizing cables on the seismic response are investigated by using different mode combinations and different models. It is found that the influence of cable local modes is negligible on the side towers while significant and not negligible on the main tower; the influence of the stabilizing cables is significant and not negligible on side towers, while minor and negligible on the main tower. As for the deck displacements, the influence of cable local modes is minor and negligible, while that of longitudinal stabilizing cables is significant and not negligible.
Seismic response analysis of multi-span cable-stayed bridge
Seismisches Ansprechen einer Schrägseil-Mehrfeldbrücke
He, Guojing (author) / Zou, Zhongquan (author) / Ni, Yi-Qing (author) / Ko, Jinming (author)
2009
6 Seiten, 10 Bilder, 9 Quellen
Conference paper
English
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