Abstract: Simplifying the formula in Code for Concrete Structure Design(GBJ10-89), we obtaine the appoximate formula of crack width, that is used to the beam of rectangular section in design.

• 文摘:对《混凝土结构设计规范》(GBJ10-89)中的裂缝宽度计算公式进行化简，得出矩形截面梁裂缝宽度实用计算公式，供工程设计时使用。