简支梁损伤识别曲率法研究

在荷载作用下简支梁挠度理论分析的基础上，提出了基于结构挠度的损伤判定方法．有限元分析结果表明，利用梁体单元变形差曲率和，可以准确判定损伤位置和损伤程度，提高简支梁检定的准确度．挠度是结构测试中的重要参数，在桥梁结构试验中，测试值易于获得，因此基于结构挠度的损伤识别方法在实际工程中容易实现．

Research on Identification of Damages Based on Deflection of Simply Supported Beam

Based on theoretical analysis of deflection of simply supported beam subjected to load,identification of damages based on deflection of structure is brought forward.Finite element analytical results show that the curvature sum of deflection difference can accurately diagnose the damaged locations and damaged degree rising up the accuracy of verificatins for simply supported beams with the method.Deflection is an important parameter in the structure test and easily obtained,Therefore,identification of damage...