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首页> 外文期刊>Journal of Nondestructive Evaluation >Experimental Study on Ultrasonic Monitoring of Splitting Failure in Reinforced Concrete
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Experimental Study on Ultrasonic Monitoring of Splitting Failure in Reinforced Concrete

机译：超声监测钢筋混凝土劈裂破坏的试验研究

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摘要

This paper investigates inspection of reinforced concrete elements sensitive to the splitting failure. The be haviour of a reinforced concrete specimen subjected to a tensile stress is considered. The damage detection proce dure is based on the ultrasonic wave propagation technique. The piezoelectric transducers are located on both ends of the specimen and the measurements are taken periodically during the incrementally increased loading. The features of measured signals in time and frequency domains as well as wavelet transforms before and after the splitting failure are studied. The experimental results show that proposed method can be used for monitoring of damage evolution in concrete elements. The method makes possible detection of the moment just before the splitting failure occurs.
机译：本文研究了对劈裂破坏敏感的钢筋混凝土构件的检查。考虑钢筋混凝土试样承受拉应力的行为。损伤检测过程基于超声波传播技术。压电换能器位于样品的两端，并且在逐渐增加的负载期间定期进行测量。研究了时域和频域中被测信号的特征以及分裂失败前后的小波变换。实验结果表明，该方法可用于混凝土构件损伤演化的监测。该方法使得能够检测到分裂失败发生之前的时刻。

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