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以框架式钢管混凝土桥墩及钢筋混凝土空心薄壁墩为研究对象,采用纤维单元建立了框架式钢管混凝土桥墩及钢筋混凝土空心薄壁墩的非线性动力分析模型,输入3条地震波,计算得到了框架式钢管混凝土桥墩与钢筋混凝土空心薄壁墩的线性及非线性地震时程响应,比较了不同类型桥墩地震响应的差异,讨论了框架式钢管混凝土桥墩的地震反应特点。
Taking the frame-type CFST piers and reinforced concrete hollow thin-walled piers as the research object, the nonlinear dynamic analysis model of CFST pier and RC hollow thin-walled piers is established by using fiber elements. Three seismic waves are input and the frame The linear and nonlinear time-history responses of CFST piers and reinforced concrete hollow thin-walled piers are compared. The difference of seismic response of different types of piers is compared. The seismic response characteristics of CFST pier are discussed.