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选用了合适的钢材和核心混凝土本构关系 ,应用简化数值积分方法计算了由方钢管和核心混凝土两种材料组成的方钢管混凝土偏心受压构件承载力 ,给出了计算步骤 .对某实例进行了计算 ,计算结果与试验结果的误差平均值为 0 .9847,均方差为 0 .110 0
The constitutive relation between steel and core concrete is selected, and the bearing capacity of CFST eccentric compression member composed of square steel tube and core concrete is calculated by simplified numerical integration method. The calculation procedure is given. For an example The calculation, the calculated error of the test results and the average value of 0.9847, the mean square error of 0 .110 0