| 卷边槽钢纯弯构件畸变屈曲板组约束系数的直接强度法计算 |
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| 引用本文： | 罗洪光,马石城.卷边槽钢纯弯构件畸变屈曲板组约束系数的直接强度法计算[J].钢结构,2008,23(2):1-3. |
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| 作者姓名： | 罗洪光 马石城 |
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| 作者单位： | 湘潭大学,建筑工程系,湘潭,411105 |
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| 摘 要： | 现行国家规范《冷弯薄壁型钢结构技术规范》（GB50018—2002）提出了适用于各种型钢构件板组的约束系数统一计算公式。针对冷弯薄壁卷边槽钢纯弯构件畸变屈曲运用直接强度法计算受压翼缘板组约束系数，并与规范计算结果比较，得到一些有价值的结论，供设计研究参考。
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| 关 键 词： | 冷弯薄壁卷边槽钢 畸变屈曲 板组约束系数 直接强度法 |
| 修稿时间： | 2007年9月10日 |
CALCULATION OF LIPPED CHANNEL FLEXURAL MEMBERS'COEFFICIENTS OF CONSTRAINT ACTION BETWEEN PLATE COMPONENTS IN DISTORTIONAL BUCKLING MODE BY DIRECT STRENGTH METHOD |
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| Luo Hongguang,Ma Shicheng.CALCULATION OF LIPPED CHANNEL FLEXURAL MEMBERS'COEFFICIENTS OF CONSTRAINT ACTION BETWEEN PLATE COMPONENTS IN DISTORTIONAL BUCKLING MODE BY DIRECT STRENGTH METHOD[J].Steel Construction,2008,23(2):1-3. |
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| Authors: | Luo Hongguang Ma Shicheng |
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| Affiliation: | Luo Hongguang Ma Shicheng (Department of Architectural Engineering,Xiangtan University Xiangtan 411105) |
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| Abstract: | The Unified constraint coefficient formulas used for various sections with different plate elements are given in the current national specification Technical Code for Cold-Formed Thin-Walled Steel Structure (GB 50018-2002).For the pressed flanges of cold-formed lipped channel flexural members, the coefficients of constraint action between plate components in distortional buckling mode are calculated by direct strength method(DSM).The results calculated by DSM are compared with those from the specification. ... |
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| Keywords: | cold-formed thin-walled lipped channel-section distortional buckling coefficient of constraint action between plate components direct strength method |
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