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通过 8根混凝土内含角钢骨架梁的试验 ,研究了加荷全过程截面的应变变化规律。根据对构件变形实测数据的统计分析 ,得到延性系数的一般计算公式。
Through the experiment of eight concrete beams with angle steel, the change law of the strain in the whole cross section of the loading process was studied. According to the statistical analysis of the measured data, the general formula of ductility coefficient is obtained.