| 门式刚架结构侧向支撑的强度和刚度研究 |
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| 引用本文： | 张国明,徐忠根,程学文.门式刚架结构侧向支撑的强度和刚度研究[J].广东土木与建筑,2012(1):8-11. |
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| 作者姓名： | 张国明 徐忠根 程学文 |
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| 作者单位： | [1]广东省重工建筑设计院有限公司 [2]广州大学土木工程学院 [3]博思格建筑钢结构（广州）有限公司 |
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| 摘 要： | 对于门式刚架结构,工程实际发现当构件截面尺寸、内力等超过一定范围时,檩条由于强度或刚度不足,致使隅撑对构件侧向支撑作用大大削弱,增大了构件的计算长度。本文结合国内外研究成果,总结出隅撑作为侧向支撑的最小刚度要求,并提供了当檩条刚度不满足最小刚度要求时构件侧向支承的解决方案。
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| 关 键 词： | 门式刚架 隅撑 檩条 刚度 摇摆支撑 |
Research for Strength and Stiffness of Lateral Bracing Used in Gabled Frame |
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| Zhang Guoming,Xu Zhonggen,Cheng Xuewen.Research for Strength and Stiffness of Lateral Bracing Used in Gabled Frame[J].Guangdong Architecture Civil Engineering,2012(1):8-11. |
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| Authors: | Zhang Guoming Xu Zhonggen Cheng Xuewen |
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| Affiliation: | 1、Guangdong Zhonggong Architectural Design Institute Co.,Ltd.Guangzhou 510034,China;2、School of Civil Engineering,Guangzhou University Guangzhou 510006,China;3、BlueScope Buildings(Guangzhou) Ltd.Guangzhou 510530,China) |
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| Abstract: | When the dimension of member section and the internal force of member exceed a certain range,we found the function of lateral bracing used in gabled frame will be weaken because of strength or stiffness insufficiency of purlin.The above resulted in the increase of calculational length of member.This paper based on researchful achievements of domestic and overseas summarized the least requirement of stiffness of purlin so that the lateral bracing to take effect and it also presented an effective solution to deal with the bracing problem while the stiffness of purlin can not meet the least requirement. |
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| Keywords: | gabled frame lateral bracing purlin stiffness sway-bracing |
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