| 圆钢管双向压弯构件的整体稳定性计算 |
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| 引用本文： | 董柏平,陈以一. 圆钢管双向压弯构件的整体稳定性计算[J]. 工业建筑, 2010, 40(1) |
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| 作者姓名： | 董柏平 陈以一 |
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| 作者单位： | 同济大学土木工程学院,上海,200092;同济大学土木工程学院,上海,200092 |
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| 摘 要： | 利用ANSYS程序对不同端弯矩分布模式下圆钢管双向压弯构件的稳定承载力进行计算,并将计算结果与GB50017—2003《钢结构设计规范》中双向压弯构件稳定性计算公式的计算结果比较,指出直接套用现行规范公式将有较大误差。提出圆钢管双向压弯构件整体稳定性计算的建议公式,该公式适用于各种端弯矩分布模式下,圆钢管双向压弯构件的稳定承载力计算,计算精度较高。
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| 关 键 词： | 圆钢管 双向压弯构件 稳定承载力 设计规范 |
STABILITY CAPACITY CALCULATION OF CIRCULAR STEEL TUBE BEAM-COLUMNS UNDER BIAXIAL BENDING |
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| Dong Baiping,Chen Yiyi. STABILITY CAPACITY CALCULATION OF CIRCULAR STEEL TUBE BEAM-COLUMNS UNDER BIAXIAL BENDING[J]. Industrial Construction, 2010, 40(1) |
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| Authors: | Dong Baiping Chen Yiyi |
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| Affiliation: | School of Civil Engineering;Tongji University;Shanghai 200092;China |
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| Abstract: | By ANSYS program analysis, stability capacity was computed for circular tube beam-columns under axial compressive force and various biaxial end-moments with different distributions. The comparison of numerical results with the interaction formula in current design code GB 50017-2003 shows relative big errors. An improvement is presented, and the proposed interaction formula can be applicabe with high accuracy. |
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| Keywords: | circular steel tube beam-column under biaxial bending stable capacity design code |
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