A stay cable incorporated with MR dampers exhibits pronounced nonlinearity.The dynamic performances of a cable with MR dampers are explored in detail by using the Spencer phenomenological model.

• 摘要由于斜拉索引入MR阻尼器后构成的系统具有非线性，无法采用求解特征值的方法来评价MR阻尼器对斜拉索的减振效果。