| 方形截面钢管混凝土双向压弯构件承载力理论分析和简化计算 |
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| 引用本文： | 陶忠,韩林海.方形截面钢管混凝土双向压弯构件承载力理论分析和简化计算[J].钢结构,2000,15(1):42-46. |
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| 作者姓名： | 陶忠 韩林海 |
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| 作者单位： | 哈尔滨建筑大学!哈尔滨150090，哈尔滨建筑大学!哈尔滨150090 |
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| 摘 要： | 在合理确定钢和混凝土应力－应变关系模型基础上，采用数值方法对方形截面钢管混凝土（以下简称方钢管混凝土）双向弯曲和双向压弯构件的荷载－变形全过程关系进行了分析，理论计算结果与试验结果吻合良好，并基于大量参数分析结果，提出该类构件承载力简化计算公式，可供工程设计参考．
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| 关 键 词： | 方钢管混凝土 双向弯曲 双向压弯 承载力 |
THEORETICAL ANALYSES AND SIMPLIFIED CALCULATION OF CONCRETE FILLED SQUARE STEEL TUBULAR MEMBER SUBJECTED TO AXIAL COMPRESSION AND BIAXIAL BENDING |
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| Tao Zhong,Han Linhai.THEORETICAL ANALYSES AND SIMPLIFIED CALCULATION OF CONCRETE FILLED SQUARE STEEL TUBULAR MEMBER SUBJECTED TO AXIAL COMPRESSION AND BIAXIAL BENDING[J].Steel Construction,2000,15(1):42-46. |
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| Authors: | Tao Zhong Han Linhai |
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| Affiliation: | Harbin University of Civil Engineering and Architecture 150090 |
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| Abstract: | After models of stress-strain of the steel and the core concrete of concrete filled square steel tubes subjected to axial compression are determined, numerical analysis method is applied for the analysis of load-deformation curve of concrete filled square steel tube subjected to biaxial bending or the combination of axial compression and biaxial bending. The analytical results agree well with those of tests. On the base of analytical results, simplified formulas for the calculation of this kind of member have teen put forward, they may be referred for practice. |
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| Keywords: | concrete filled square steel tubes biaxial bending axial compression and biaxial bending bearing capacity |
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