摘要
本文推导了一个确定工程构件截面几何图形的主惯性轴位置和相应的主惯性矩数值的新方法。本文表明,这个方法可从习惯采用的莫尔法的基础上导出,但比用莫尔法解题更为简便,快速和直观。
In this article, a method is derived for the determination ofprincipal axis of the sectional geometrical figure of an engineering member, andalso its relevant numerical value of principal moment of inertia. The proposed method could be derived on the basis of the conventional Mohr'smethod, but it is more convenient, more visual, and faster than the latter inpractice.
关键词
工程构件
平面图形
主轴位置
principal inertia circle
principal inertia circle method
