The model of the crackingmoment of normal section for recycled concrete beams is investigated on base of some basic assumptions.
在基本假定的基础上，分析了再生混凝土梁正截面开裂弯矩理论计算模式。
2
The simplified calculation formula form of crackingmoment is simple and the analytical results agree well with that of experiments.
经简化后的开裂弯矩计算公式形式比较简单，计算结果与试验结果基本吻合。
3
According to the calculation theory of normal section bending bearing capacity, the calculation formula of crackingmoment of high-strength concrete beam was derived by the concrete mechanic method.