In the paper , by using the incremental harmonic balance method ( ihb ) , the viscous damped bilinear hysteretic isolation system with cubic restoring force on flexible foundation is studied and the influnce of flexible foundation on displacement transmissibility is investigated 摘要本文運(yùn)用增量諧波平衡( ihb )法研究了安裝于柔性基礎(chǔ)上的含有三次非線性粘性阻尼雙線性滯遲隔振系統(tǒng),考察了基礎(chǔ)柔性對(duì)隔振性能的重要影響作用,為這類(lèi)干摩擦隔振系統(tǒng)在工程上的實(shí)際應(yīng)用提供了理論依據(jù)。