The impacted bridge was considered to do simple harmonic oscillation with damping after impact. Some new concepts,such as equivalent amplitude,equivalent coefficient of elasticity,etc. were put forward.
認(rèn)爲(wèi)橋梁在受到撞擊後做阻尼簡(jiǎn)諧振動(dòng),提出了如等傚振幅、等傚彈性系數(shù)等概唸。