摘要
首先阐述实际工程中框架结构屈曲的两种情况,即正对称的无侧移屈曲和反对称的有侧移屈曲。进一步推导横梁式门式刚架的稳定方程,给出弧门横向框架长度系数近似计算的理论基础,并绘制临界荷载与支撑刚度的关系曲线。最后运用所提计算方法计算两类主横梁门式弧形钢闸门支臂的长度系数,结果证明该方法的有效性。
This paper begins by describing the practical engineering frame buckling of two kinds of situations,there are symmetric and antisymmetric buckling without lateral sway buckling.Based on the horizontal framework,the effective length of the door is established,and the relationship between the critical load and support stiffness is mapped.Finally using the calculation method of this article,the effective length of the two sorts of steel radial gates are studied,the results demonstrate the effectiveness of this method.
出处
《工业建筑》
CSCD
北大核心
2010年第S1期477-479,504,共4页
Industrial Construction
关键词
弧形钢闸门
长度系数
屈曲
radial steel gate
effective length coefficient
buckling
