The structural response of reinforced concrete dapped‐end beams is simulated through finite element analysis. The case study consists in experimental tests performed in the framework of an Italian research project on bridges. The study assesses both the local and global behavior of the beam and characterizes the damage patterns. A blind prediction is initially performed inputting the main basic material and geometrical properties of the specimen. Further models are developed by varying several structural parameters and modeling/analysis features, assessing their influence on the structural capacity and response of the beams. The blind model yielded relatively accurate behavior and capacity estimations. Additionally, the modeling is enhanced by accounting for experimental data. Technical and operative guidelines for implementing the numerical analysis of dapped‐end beams are finally provided, in light of the critical assessment of the modeling and analysis results.

中文翻译：

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钢筋混凝土 dapped-end 梁的计算建模


通过有限元分析模拟钢筋混凝土平端梁的结构响应。该案例研究包括在意大利桥梁研究项目的框架内进行的实验测试。该研究评估了梁的局部和全局行为，并描述了损伤模式的特征。最初进行盲预测，输入试样的主要基本材料和几何特性。通过改变几个结构参数和建模/分析功能来开发进一步的模型，评估它们对梁的结构容量和响应的影响。盲模型产生了相对准确的行为和容量估计。此外，通过考虑实验数据来增强建模。根据对建模和分析结果的严格评估，最终提供了实施 dapped-end 梁数值分析的技术和操作指南。