作　　者： ; ; ; ; ; (彭健平）;

机构地区： 兰州理工大学土木工程学院防震减灾研究所

出　　处： 《兰州理工大学学报》 2005年第6期115-118,共4页

摘　　要： 首先介绍了线性粘滞阻尼的理论模型,以及使用锤击法进行模型试验推断结构阻尼的装置构成、试验过程和粘滞阻尼推算的一般方法,论述了利用Matlab工具软件进行阻尼推算的主要命令和精度控制原则.简述了粘滞阻尼与滞变阻尼模型之间的联系和对应关系,作为结构振动控制元件在强震下阻尼推算的理论基础. A method for evaluating the equivalent viscous damping of linear structure using Matlab toolbox based on impulse hammer test was presented in this paper. A general theoretical model of linear viscous damping was briefly introduced first, and the experimental setup, test procedure and calculation of equivalent viscous damping ratio of linear structures based on a dynamic impulse test were described as well as the accuracy consideration. The correspondence between viscous damping and hysteretie damping models was explained,which lays a basis for evaluating damping ratio of structural control element under major earthquake.

关 键 词： 阻尼 动力响应 粘滞阻尼 滞变阻尼 锤击试验

领　　域： [建筑科学]