减震结构粘滞阻尼器的快速设计方法

Rapid design of viscous dampers used for seismic structures

基于反应谱理论,参考等效阻尼比减震设计思路,将其中需要反复假定的阻尼比改进为直接求解,形成了一套新的减震结构的设计方法。该设计方法具有快捷、结果(阻尼比)精确且唯一的优点。除此之外,还重点阐述了反应谱的概念,通过探索反应谱的实质,简要证明了规范反应谱地震影响系数与结构层间位移角的线性关系,进而证明了此方法的科学性和合理性。

Based on response spectrum theory and existing seismic reduction design ideas of equivalent damping ratio, this paper put forward a new design method of energy dissipation structure by a skillful change, i. e. the repeating assumption of damping ratio that is inevitable in all the existing methods is replaced by direct solution. The designmethod peoposed has advantages of fastness, accuracy and uniqueness. In addition, this paper emphatically describes and explains the concept of response spectrum and gives a brief proof that seismic influence coefficient is linearly related with interstorey drift angle, which further proves scientific and rational characteristics of the method.