In this paper, the behavior and the law of distribution of additional bending stresses in web under concentrated torsional moment were analyzed, and methods of computing these stresses were discussed.

• 本文着重分析腹板附加弯曲应力的性质和分布规律,并探讨了腹板附加弯曲应力的计算方法。关于影响腹板附加弯曲应力的其他因素,将另有专题报告。