CAJ | 학술논문

现代超高墩桥梁的桥墩部分长细比越来越大，其稳定性问题显得尤为重要。通过将桩基的轴向抗压刚度转化为桥墩底端的弹性支撑，并参照以往桥梁取若干刚度数据进行数字试验，分析不同支撑刚度下高墩结构在基本参数共振和主参数共振时的动力响应问题，为桥墩设计提供参考。
현대초고돈교량적교돈부분장세비월래월대，기은정성문제현득우위중요。통과장장기적축향항압강도전화위교돈저단적탄성지탱，병삼조이왕교량취약간강도수거진행수자시험，분석불동지탱강도하고돈결구재기본삼수공진화주삼수공진시적동력향응문제，위교돈설계제공삼고。
The pier structure slenderness ratio of modern very high-pier bridge is being larger and lar-ger,so its stability is particularly important.This paper converted the boundary conditions of pier bottom to different support stiffness,applied some stiffness data reference to the bridge digital test, analyzed dynamic response of fundamental parametric resonance and principal parametric resonance and obtained some useful conclusions for pier design.