| 钢管混凝土长柱的性能和强度计算 |
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| 引用本文： | 蔡绍怀,顾万黎.钢管混凝土长柱的性能和强度计算[J].建筑结构学报,1985,6(1):32-40. |
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| 作者姓名： | 蔡绍怀 顾万黎 |
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| 作者单位： | 中国建筑科学研究院
,中国建筑科学研究院 |
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| 摘 要： | 本文报导了26根长细比(L/D)从3到50的钢管混凝土长柱轴心受压的试验结果。试验表明,这种柱子的承载能力随长细比的增大而显著下降。文中论述了求解中长柱承载能力在理论上所遇到的若干困难。根据试验数据,提出了计算长细比影响的强度折减系数(?)的经验公式(3)。在L/D≤50的范围内,该公式与本文的试验结果和文献上的试验结果都符合良好。
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| 收稿时间： | 1985-02-05 |
| 修稿时间： | 1985-02-05 |
Behaviour and Ultimate Strength of Long Concrete-Filled Steel Tubular Columns |
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| Cai Shaohuai,Gu Wanli.Behaviour and Ultimate Strength of Long Concrete-Filled Steel Tubular Columns[J].Journal of Building Structures,1985,6(1):32-40. |
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| Authors: | Cai Shaohuai Gu Wanli |
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| Affiliation: | Cai Shaohuai,Gu Wanli ( China Academy of Building Research ) |
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| Abstract: | This paper presents the test results of 26 concentrically loaded long concrete-filled steel tubular columns with slenderness ratio ( L/D ) varying from 3 to 50. Tests show that the strength of column decreases as its slenderness ratio increases. The problems encountered in theoretical limit analysis of columns with medium slenderness ratio are discussed. An empirical formula for the strength reduction coefficient φl based on the test data is proposed. It has been seen that for L/D≤50, the proposed formula is in good agreement with experimental results obtained by the authors as well as those available in literature. |
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