覆盖混凝土电磁无损检测在雷达波段的研究进展

Xavier Dérobert, G. Villain, A. Ihamouten
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引用次数: 3

摘要

本文介绍了法国在使用电磁无损技术(NDT)评估钢筋混凝土结构的混凝土状况和耐久性指标方面的最新进展。通过几个国家项目,在实验室中定期研究均质混凝土的电磁特性,并使用特定的细胞作为测试电磁无损检测技术,如探地雷达、电容或电。结果表明,这种ND技术的灵敏度和互补性在提供被测混凝土结构的定量信息方面具有巨大的潜力。
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Recent developments of EM non-destructive testing in the radar frequency-band for the evaluation of cover concretes
This paper deals with the recent developments in France on the use of electromagnetic (EM) non-destructive techniques (NDT) to assess indicators of concrete conditions and durability of reinforced concrete structures. Through several National Projects, electromagnetic characterization on homogeneous concretes has been regularly studied in laboratories, by using as well specific cells as testing EM NDT techniques, such as ground-penetrating radar, capacitive or electric ones. Results show the great potential of the sensitivity and the complementarities of such ND techniques to give quantitative information on the surveyed concrete structures.
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