大スパン構造物の弾塑性振動特性に関する基礎的研究 : 定常振動解に基づく偏平三角ラーメンの振動性状の考察

概要

論文の詳細を見る
Dynamic elasto-plastic behavior of long span structures has been investigated by performing time-domain earthquake response analysis. However, such a numerical simulation is not suitable to examine thoroughly the overall. characteristics of the obtained solution related to various parameters. The purpose of this paper is to discuss the nonlinear dynamics of the long span structures with geometrical and material nonlinearities based on the frequency-domain periodic solution. In this approach, we obtain the resonance curves, which are closely related with the resistant capacity against dynamic load, by applying equivalent linearization technique and harmonic balance method. The elasto-plastic shallow triangular frame, which is originally the example of the so-called Williams' toggle frame, was analyzed in order to examine the typical characteristics of the long span structures. As a result, the significant properties of the elastoplastic vibration were revealed clearly in the form of the resonance curves.
社団法人日本建築学会の論文
1995-05-30