| 底框结构中协调扭转引起框架梁开裂的分析计算 |
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| 引用本文： | 陆浩亮,李思明,金国芳.底框结构中协调扭转引起框架梁开裂的分析计算[J].四川建筑科学研究,2002,28(1):4-6. |
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| 作者姓名： | 陆浩亮 李思明 金国芳 |
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| 作者单位： | 同济大学土木工程学院,上海,200092 |
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| 摘 要： | 通过分析某底框结构中的框架梁端斜向裂缝产生的原因，提出了设计中通常忽略的扭转计算，导致底框大梁在扭矩，弯矩和剪力组合作用下发生扭剪开裂。探讨了梁协调扭转计算的方法，并提出了避免底框大梁产生扭剪开破坏的措施。
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| 关 键 词： | 底框结构 框架 梁 扭剪开裂 |
| 文章编号： | 1008-1933(2002)01-0004-03 |
| 修稿时间： | 2001年3月26日 |
Analysis of the crack in the frame gird of a basement-frame structure subjected to coordinated torsion |
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| Abstract: | Based on the analysis of the diagonal crack in the frame gird of a basement frame structure,the authors think that the torsion,which is often neglected by the designer,is main cause to the torsion and shear crack in the gird of basement frame due to combined action of torque,moment and shear.In this paper,the calculation of coordinated torsion is also discussed and measures taken to prevent gird of basement frame from torsion and shear cracking are suggested. |
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| Keywords: | basement frame structure frame gird coordinated torsion cracking due to torsion and shear |
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