| 钢结构轴心受压构件可靠度分析 |
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| 引用本文： | 李继华,夏正中,陈国兴.钢结构轴心受压构件可靠度分析[J].建筑结构学报,1985,6(1):2-17. |
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| 作者姓名： | 李继华 夏正中 陈国兴 |
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| 作者单位： | 重庆建筑工程学院
,重庆建筑工程学院
,重庆建筑工程学院 |
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| 摘 要： | 现行钢结构设计规范(TJ 17-74)的轴心受压构件是采用单一的柱子曲线,我们曾按此曲线分析过柱子的可靠度。但是,当前国际上的倾向是采用多条柱子曲线,这在设计上更趋合理。我院结构理论研究室按最大荷载理论算出了93条柱子曲线,本文据此分析了柱子的可靠度,发现按现行规范设计的中等长细比柱子的可靠指标β较低,这符合一般规律。这一可靠度分析比以前的分析较为完善。
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| 收稿时间： | 1985-02-05 |
| 修稿时间： | 1985-02-05 |
Reliability Analysis of Steel Axially Compressive Members |
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| Li Jihua,Xia Zhengzhong,Chen Guoxing.Reliability Analysis of Steel Axially Compressive Members[J].Journal of Building Structures,1985,6(1):2-17. |
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| Authors: | Li Jihua Xia Zhengzhong Chen Guoxing |
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| Affiliation: | Li Jihua,Xia Zhengzhong,Chen Guoxing ( Chongqing Institute of Architecture and Engineering ) |
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| Abstract: | In the current steel structure design code(TJ 17-74), a single curve was adopted for designing axially compressive members and the reliability of the column analyzed previously was based on this curve. However, the present international tendency is to use multiple column curves and it is more reasonable in design than using a single curve, The research group of structure theory in authors' institute had computed 93 column curves by use of the maximum load theory. This paper analyzed the reliability of column based on these curves and found that the safety index β of middle slenderness ratio column designed by current code is rather low, which is conformed to the general regularity. The present reliability analysis is obviously better than the previous one. |
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