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本文采用钢筋混凝土计算力学的方法 ,推导了采用粘结极限强度计算的最大裂缝宽度计算公式。并与《混凝土结构设计规范》(GBJ10 89)的裂缝公式进行比较 ,结果表明 :《规范》中对低配筋率的钢筋混凝土构件最大裂缝宽度计算公式是有待探讨的。
In this paper, the calculation method of the maximum crack width calculated by the ultimate strength of bond is deduced by the method of computational mechanics of reinforced concrete. And compared with the crack formula of “Code for design of concrete structures” (GBJ10 89). The results show that the calculation formula of the maximum crack width of reinforced concrete members with low reinforcement ratio is to be discussed in the Code.