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PSC Damage Detection Approach for Tendon of Prestressed Concrete PSC Bridge Based on Auto-Encoder
PSC Damage Detection Approach for Tendon of Prestressed Concrete PSC Bridge Based on Auto-Encoder
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机译：基于自动编码器的预应力混凝土预应力混凝土桥筋索力损伤检测方法
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摘要
The present invention relates to a method of estimating damage to a tendon of a PSC bridge by using an autoencoder. According to the present invention, in order to estimate damage to a tendon based on bridge measurement data such as acceleration, displacement, strain and the like, indicating a minor behavior of a PSC bridge, which can be obtained through an SHM system to identify a risk to the bridge in real time, the method includes: a first step of collecting bridge measurement data for a set period; a second step of creating a tendon damage estimation model which can restore only ′non-damaged′ data by performing autoencoder learning in consideration of the bridge measurement data as ′non-damaged′ data; and a third step of identifying whether a bridge tendon is damaged by determining whether the bridge measurement data is ′non-damaged′ data through the tendon damage estimation model when the bridge measurement data measured in real time is inputted from the bridge measurement part.
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