简捷法绘制静定梁的内力图分析

本文阐述了用简捷法作静定梁的内力图的基本规则，举例说明了内力图在集中力、集中力偶作用截面处的特点和规律，还强调了弯矩图中抛物线的开口方向的判断方法。

The article elaborated makes the fundamental rule which with the short-cut method static technology Liang’s in tries hard， explained with examples in has tried hard in the concentrated force， the concentrated couple function section place characteristic and the rule， but also emphasized in the bending-moment diagram the parabola aperture direction judgment method.