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圆钢管混凝土桥墩弯矩-曲率关系分析

, PP. 13-18

Keywords: 钢管混凝土桥墩,纤维模型法,弯矩-曲率关系,concrete-filledsteeltubepiers,fibermodelmethod,moment-curvaturerelation

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Abstract:

:?依据2个常用的钢管混凝土材料本构模型,采用纤维模型法编制了MATLAB计算程序,以分析钢管混凝土桥墩的截面弯矩-曲率关系。理论计算得到的弯矩-曲率关系曲线与国外学者进行的实验结果吻合较好,表明程序具有良好的适用性。并进一步分析了套箍系数、轴压比对钢管混凝土桥墩弯矩-曲率关系的影响。

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