| 梭形轻钢屋架失稳事故分析 |
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| 引用本文： | 陈骥. 梭形轻钢屋架失稳事故分析[J]. 钢结构, 2000, 15(4): 1-7 |
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| 作者姓名： | 陈骥 |
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| 作者单位： | 西安建筑科技大学西安 710055 |
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| 摘 要： | 对支承在两种不同受力构件上的轴心受压构件的弹性弯曲晨曲作了理论分析，给出了确定两种轴心受压构件计算长度系数的计算公式。将此分析方法用于说明几起梭形轻钢屋架失稳事故的原因，提出了设计轻钢屋架有关强度折减系数和长细比限值的改进意见。
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| 关 键 词： | 轻钢屋架 弯曲屈曲 计算长度系数 |
| 修稿时间： | 2000-05-29 |
THE ANALYSIS OF STABILITY COLLAPSE OF LIGHT STEEL ROOF TRUSSES WITH SHUTTLE SHAPE |
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| Chen Ji. THE ANALYSIS OF STABILITY COLLAPSE OF LIGHT STEEL ROOF TRUSSES WITH SHUTTLE SHAPE[J]. Steel Construction, 2000, 15(4): 1-7 |
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| Authors: | Chen Ji |
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| Abstract: | This paper presents a theoretical analysis of elastic flexural buckling about an axially compressive member subjecting on another member between the ends and gives the formula to determine the effective length factor of such compressive member. Using this analysis, the reasons of stability collapse of some light steel roof trusses with shuttle shape are illustratted. The recommendations of steel strength reduction factor and the limitation of slenderness ratio of diagonals in light steel roof trusses are presented. |
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| Keywords: | light steel roof truss flexural buckling effective length factor |
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