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根据贝叶斯统计理论思想,基于我国规范(GB 50010-2010)中钢筋混凝土梁斜截面受剪承载力计算模型,对钢筋混凝土梁斜截面受剪承载力进行预测。以共轭分布为先验分布,以收集到的79组试验数据为样本点,对未知模型参数进行估计。研究表明:该方法继承了先验模型的完备性和试验数据的准确性,能对钢筋混凝土梁斜截面受剪承载力进行合理预测。
According to the Bayesian statistical theory, the shear capacity of RC beams is predicted based on the calculation model of shear strength of RC beams in China (GB 50010-2010). Conjugate distribution as the prior distribution, the collected 79 sets of experimental data as a sample point, the unknown model parameters are estimated. The research shows that this method inherits the completeness of the prior model and the accuracy of the test data, and can reasonably predict the shear capacity of RC beams.