Large-span cable-stayed bridges due to its eye-catching, low expense, great mechanical properties as well as other characteristics, becoming among probably the most competitive of contemporary bridge bridge. Additional and much more of in current years using the building from the Bridge take into account financial and aesthetic considerations, and inclined Tower cable-stayed bridge with single Tower, with its economic, aesthetic along with other characters possess a tendency to progressively heat up, bridge construction of this kind far more abroad, as Australia Batman bridge, Spain Ebro bridge, Spain Lerez River Bridge, Netherlands Rotterdam Erasmus bridge, Japan hamanako cable-stayed bridge, The bridge with its special landscape and mechanical superiority may be both structural and aesthetic masterpiece of innovation and functions bridges. At the moment China constructed this class alone oblique Tower cable-stayed bridge who's much less, domestic for this class unique bridge form bridge of associated analysis also compared much less, but due to this class significant span bridge General are is visitors transport of hub engineering, investment significant, on economy has significant of effects, for this class important bridge style,, seismic anti-wind design and car bridge resonance, energy trouble is cannot avoided of, therefore has required on its power traits for analysis. Determined by the background of a large-span cable stayed bridge with single Tower construction, application in the finite element evaluation on dynamic characteristics and seismic overall performance of single Tower cable-stayed bridge, primarily to carry out function inside the following aspects:
1. apply the finite element plan space finite element model from the whole bridge, calculate its dynamic properties, combined with other similar bridges the theoretical calculation and experimental benefits, analysis in the dynamic traits in the bridge.
Large span cable tray
two. transform some parameter on the models described above, variation of dynamic characteristics calculation and analysis with the causes and factors to analyze,
Reverse steel cable ladder
discover the idea of optimization of dynamic traits in the bridge. Third, applying the theory of seismic, primarily through the time-history evaluation process for the analysis of the seismic performance of single Tower cable-stayed bridge. Outcomes according to parameter alterations on the bridge, in the arrangement of cables and also the inclination with the Tower in an effort to take into account, arising in the calculation and evaluation of seismic performance of changing circumstances and supply references for this kind of Bridge Seismic Style. Select which elements on the actual project parameters contemplating dynamic characteristics and seismic overall performance, and also other factors can decide affordable parameter.
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