Due to the vibrational damping of soils at various frequencies, the internal forces may be less than that when subjected to uni-directional lateral loads under static conditions.

• 由于土的振动阻尼参与，致使基桩的受力状况较静力分析时更为复杂，在不同的频率下，桩身内力可能较单向水平力系作用下的要小。