结合某调压井工程,运用瞬态动力有限元法,在进行调压井自振特性分析的基础上,按照同时考虑水平与竖向地震荷载组合作用工况,对运行期调压井的动力响应特性进行了有限元分析。结果表明,在水平与竖向地震荷载组合作用下,衬砌结构位移时程变化幅度随着高程增大呈递增趋势,在同一高程断面上应力呈对称分布,环向及径向最大拉应力均发生在变断面处的衬砌结构外侧。 Based on the analysis of natural vibration characteristics of surge shaft with the transient dynamic finite element method and considering the combination of horizontal and vertical seismic loads, the dynamic of surge tank during operation period Response characteristics of the finite element analysis. The results show that under the combination of horizontal and vertical seismic loads, the displacement amplitude of lining structure increases with the increase of elevation, the stress is symmetrical on the same elevation, and the maximum tensile stress in both circumferential and radial direction occurs Outside of the lining structure at the variable section.