| 圆截面钢管砼构件极限弯矩分析 |
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| 引用本文： | 刘小渝,刘东升.圆截面钢管砼构件极限弯矩分析[J].重庆交通学院学报,2007,26(6):15-17,23. |
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| 作者姓名： | 刘小渝 刘东升 |
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| 作者单位： | 重庆交通大学土木建筑学院 重庆400074 |
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| 摘 要： | 分析了圆截面钢管砼构件在弯曲极限状态下,钢管和砼相互作用而产生的两种套箍作用效果;推导了理想塑性状态下的中和轴位置和极限弯矩的计算方法.
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| 关 键 词： | 钢管砼 套箍作用 极限弯矩 中和轴 |
| 文章编号： | 1674-0696（2007）06-0015-03 |
| 收稿时间： | 2006-07-31 |
Limit Bending Moment Analysis of CFST Member of Circular Section |
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| LIU Xiao-yu, LIU Dong-sheng.Limit Bending Moment Analysis of CFST Member of Circular Section[J].Journal of Chongqing Jiaotong University,2007,26(6):15-17,23. |
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| Authors: | LIU Xiao-yu LIU Dong-sheng |
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| Abstract: | Two effects of confinement which result from the interaction between steel tube and concrete under ultimate limit bending states are analyzed.In addition,the calculation method of zero line position is deduced as well as the computational formula of limit bending moment under ideal elasto plasticity states. |
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| Keywords: | CFST effect of confinement ultimate limit bending moment zero line |
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