【摘要】 近年来地震频发,大型储液罐的抗震安全性则显得尤为重要.针对大型储液罐的地震反应进行了研究,首先建立了大型储液罐的有限元模型,然后对该模型进行模态分析得到大型储液罐的动力特性,最后通过地震激励得到大型储液罐的地震反应.通过结果分析表明,对于不考虑流固耦合的储液罐来说,不会出现"象足"失稳现象.研究为大型储液罐的抗震设计和抗震性能的研究提供了参考.更多还原

【Abstract】 Due to frequent earthquakes in recent years,the seismic safety of large storage tank is very important.In this dissertation,seismic response of large-size liquid storage tanks is analyzed.A model for liquid storage tank is established firstly.By modality analysis,dynamic behavior of large storage tank is obtained.After the model is excitated by seismic,seismic responses are obtained.The conclusions show that,without considering liquid-solid coupling,"elephant foot" buckling phenomenon doesn’t appear.This study provides reference for seismic design and seismic performance study of large storage tank.更多还原