摘要
本文用等效弹性支座法精确导出了起重机吊臂在非保向力作用下的通用屈曲方程，给出了确定临界力及计算长度的算式，计算简单、结果准确、便于应用。
his paper accurately derives a general buckling equation by equivalent elastic support method for boom of crane under the action of non directional force.It gives a formula to determine critical force and calculating length.Calculation is simple.Result is accurate.It is easy to use.
出处
《建筑机械》
1996年第7期15-17,共3页
Construction Machinery
