A new critical moment formula of tapered beam is proposed, which is similar to the expression for beams with uniformcross-section.
提出了新的变截面梁临界弯矩计算式,其表达形式与等截面梁的公式相同,便于工程应用。
3
The most important issue for the problem of uniformcross-section bar torsion is the calculation of shear stress on the boundary of cross-section, which is very difficult.