大跨度橋的非線性地震響應分析.pdf

大跨度橋的非線性地震響應分析

　在橋梁的抗震設計中,計算大地震下橋梁的非線性響應越來越重要。
但是,對于復雜結構的大跨度橋梁的非
線性分析花費大量的計算時間,而且不易計算。
本文提出了非線性地震響應分析方法,能有效地計算具有許
多節(jié)點的大跨度的三維橋梁模型的非線性響應。
在這種方法中,應用了隱式積分法和質量的減縮模型。

In bridge seismic design, earthquake calculated under the nonlinear response of the bridge more and more important. However, for complex structures of non-long-span bridges
Linear analysis spend a lot of computing time, but not easily calculated. In this paper, the nonlinear seismic response analysis method can effectively calculate a promise
Multi-node three-dimensional long-span bridge model of the nonlinear response. In this approach, the application of the implicit integration method and the quality of the reduced model.