【摘要】 本文讨论结构力学教材存在的一些问题,提出改进建议。这些问题包括三刚片规则的准确表述、带虚铰的三刚片规则的证明、与对称性有关的命题的证明和删减影响线有关内容的可能性等等。更多还原

【Abstract】 Some problems about teaching material of structural mechanics are discussed in this paper.The problems involve the correct expression of the rule of three rigidity pieces,the proving of the proposition about symmetry and possibility of reducing contents about the influence line etc.更多还原