| 轻钢压弯构件平面外支承长度的计算 |
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| 引用本文： | 陈向荣,卢小松.轻钢压弯构件平面外支承长度的计算[J].钢结构,2004,19(5):9-11. |
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| 作者姓名： | 陈向荣 卢小松 |
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| 作者单位： | 西安建筑科技大学,西安,710055;西安建筑科技大学,西安,710055 |
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| 摘 要： | 对于轻钢结构压弯构件的平面计算长度的取值问题 ,在现有的设计标准中只是给出了原则性的规定 ,而在设计中符合什么样的条件才能为构件提供减少构件平面外计算长度的侧向支承点并没有提供依据。结合工程设计中常采用的檩条支承条件 ,通过采用能量法进行平面外有弹性支承的压弯构件弹性弯扭屈曲分析 ,得出可供设计时采用的分析结果。
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| 关 键 词： | 平面外支承 计算长度 刚度 |
| 修稿时间： | 2004年4月18日 |
THE OUT-OF-PLANE SUPPORT LENGTH FOR BEAM-COLUMN MEMBER IN LIGHT STEEL STRUCTURE |
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| Chen Xiangrong,Lu Xiaosong.THE OUT-OF-PLANE SUPPORT LENGTH FOR BEAM-COLUMN MEMBER IN LIGHT STEEL STRUCTURE[J].Steel Construction,2004,19(5):9-11. |
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| Authors: | Chen Xiangrong Lu Xiaosong |
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| Abstract: | For the value of plane calculation length of beam-column member in a light steel structure,only the general principles are given in current design specifications,whereas there is no support for the conditions on which the out-of-plane calculation length of a member can be reduced.The analytic results used for a design can be obtained by combining the purlin bearing conditions that are frequently used in engineering designs,and through flexural and torsional buckling analyses of beam-column members with the out-of-plane elastic supports,which are carried out using an energy method. |
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| Keywords: | out-of-plane support calculate length stiffness |
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