提出了三种计算结构位移比的补充方法，即第一振型法、弹性时程分析法和推算平面端部位移法。
Three additional displacement ratio calculating methods, i. e., the first mode method, elastic time history analysis method and calculating plane end displacement method, are suggested.
文中还设计了一种能满足位移边界条件的多项式作为振型试函数，从而用里兹法得到相应的上限值。
A kind of polynomial satisfying the displacement boundary conditions is designed, which makes it possible to evaluate the upper limit of fundamental freqrency by Ritz method.
对应每阶振型下推覆分析的目标位移采用非弹性能力谱方法来计算。
The target displacement of each mode pushover analysis can be obtained by inelastic spectrum.
应用推荐