摘要
以某中承式钢管混凝土系杆拱桥为研究对象,采用双单元法建立的空间结构有限元分析模型,可用于计算和分析该桥的动力特性,同时可运用时程分析法计算出钢管混凝土拱桥的非线性地震响应,从而有助于分析研究其几何非线性、材料非线性及几何材料非线性对结构地震响应的影响。
A large-span half-through concrete filled steel tubular（CFST） arch bridge is studied in this paper, and the dynamic characteristics of this arch bridge are calculated and analyzed by using a threedimensional finite element model based on double-element method. The nonlinear seismic response of the CFST arc bridge is calculated by time-history analysis method, which is beneficial for the analysis of effect of geometric nonlinear, material nonlinear and geometric material nonlinear property on CFST arc bridge.
出处
《交通标准化》
2008年第5期73-76,共4页
Communications Standardization
关键词
钢管混凝土拱桥
非线性
自振特性
地震响应
CFST arc bridge
nonlinear
natural vibration characteristics
seismic response
