| 圆钢管混凝土桥墩弯矩-曲率关系分析 |
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| 引用本文： | 臧博,朱东生,冯长友,向中富.圆钢管混凝土桥墩弯矩-曲率关系分析[J].重庆交通大学学报(自然科学版),2011,30(1):13-18. |
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| 作者姓名： | 臧博 朱东生 冯长友 向中富 |
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| 作者单位： | 1. 重庆交通大学,土木建筑学院,重庆,400074
2. 甘肃长达路业有限责任公司,甘肃,兰州,730000 |
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| 基金项目： | 重庆市自然科学基金资助项目，甘肃省交通厅交通建设科技项目 |
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| 摘 要： | 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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| 关 键 词： | 钢管混凝土桥墩 纤维模型法 弯矩-曲率关系 |
Moment-Curvature Relationship of Circular CFST Piers |
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| ZANG Bo,ZHU Dong-sheng,FENG Chang-you,XIANG Zhong-fu.Moment-Curvature Relationship of Circular CFST Piers[J].Journal of Chongqing Jiaotong University,2011,30(1):13-18. |
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| Authors: | ZANG Bo ZHU Dong-sheng FENG Chang-you XIANG Zhong-fu |
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| Institution: | ZANG Bo1,ZHU Dong-sheng1,FENG Chang-you2,XIANG Zhong-fu1(1.School of Civil Engineering & Architecture,Chongqing Jiaotong University,Chongqing 400074,China,2.Gansu Provincial Changda Expressway Co.Ltd,Lanzhou 730000,Gansu,China) |
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| Abstract: | According to two commonly used constitutive models of concrete-filled steel tube(CFST),a MATLAB program is coded by fiber model method in order to calculate the moment-curvature relationship of concrete-filled steel tube piers.It is proved that the program is serviceable through comparing theoretical calculations with experiment data.Based on the above summarizations,the effect of confining coefficients and axial load ratio on moment-curvature relation is analyzed. |
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| Keywords: | concrete-filled steel tube piers fiber model method moment-curvature relation |
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