基于挠度法的钢筋混凝土简支梁损伤识别研究

Research on the damage recognition of simple-supported concrete beam based on deflection method

根据静、动载作用下的简支梁挠度数据,求解了结构的挠度差曲率和,对受拉钢筋局部锈蚀混凝土简支梁的损伤识别进行了研究,理论分析和有限元仿真表明:该方法可以识别结构的损伤位置和损伤程度,提高简支梁检定的准确度。

According on the deflection records generated by static or dynamic load, the curvature sum of deflection difference is obtained. Identification of damages for reinforced concrete simple beam with partially corrosive reinforcement is studied. Theoretical analysis and finite element simulation show that curvature sum of deflection difference can diagnoses the damaged locations and damaged degree, and the accurancy of verfication is improved subsequently.