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Study on Damage Identification for Reinforced Concrete Structures Based on Wavelet Transform

机译：基于小波变换的钢筋混凝土结构损伤识别研究

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摘要

Reinforced concrete structures are prone to damage during their service lifetime. Undetected damage may lead to structural failures. Early detection of damage and timely repairs can prevent catastrophic failure and ensure regular service of structures. As a result, a so-called delamination wavelet-transform search method, based on the characteristic of multi-resolution of wavelet transform, is presented in this paper for on-line damage identification of reinforced concrete structures. One possible advantage of this method is that the damage temporal and spatial location can be detected rapidly and efficiently. Further research is carried out with numerical simulation of a structure test model to study the storied damage detection and localization of reinforced concrete frame structures under seismic actions. The analyzing result is compared with that observed in a simulated earthquake vibration stand test. Good agreement is obtained and it verifies the effectiveness and validity of the method proposed in this paper.
机译：钢筋混凝土结构在其使用寿命期间易于损坏。未检测到的损害可能导致结构失败。早期检测损坏和及时维修可以防止灾难性的故障，并确保结构的定期服务。结果，本文提出了一种基于小波变换的多分辨率的特征的所谓的分层小波变换搜索方法，用于钢筋混凝土结构的在线损伤识别。该方法的一个可能的优点是可以快速且有效地检测损坏时间和空间位置。进一步的研究采用结构试验模型的数值模拟进行，研究了地震动作下钢筋混凝土框架结构的综合损伤检测和定位。将分析结果与模拟地震振动支架测试中观察到的分析结果进行了比较。获得了良好的协议，并验证本文提出的方法的有效性和有效性。

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