Large amplitudes of cables can be induced by low order frequency harmonic oscillations.Then,some destructive accidents will happen,and some efficient control methods will be needed.

• 缆索结构系统在外部激励作用下将产生低频谐振,会导致大的振幅而可能有破坏性事故发生,故需要一种有效的方法控制这种振动。