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Influence of Moisture Content on Electromagnetic Response of Concrete Studied Using a Homemade Apparatus

机译:水分含量对用自制仪器研究混凝土电磁响应的影响

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摘要

In this study, we examined the influence of moisture content on the electromagnetic response of concrete. A novel homemade electromagnetic monitoring apparatus was developed and used to evaluate the Hall effect voltage at both ends of concrete based on our previous study of the Hall effect. We used four different concrete mix water/binder ratios: 0.30, 0.28, 0.26, and 0.24, and three conditions (relative humidity, carbonation, and water absorption) were examined in this experiment. The results show that the moisture content inside concrete influences the relative permeability of concrete. The variation in the Hall effect voltage is more influenced by carbonation than changes in relative humidity; water absorption increases the Hall effect voltage the least amongst the other examined factors. According to the experiment, a calibration system was established, and the relevant correction factors are provided.
机译:在这项研究中,我们研究了水分含量对混凝土电磁响应的影响。基于我们之前对霍尔效应的研究,开发了一种新型的自制电磁监测设备,并用于评估混凝土两端的霍尔效应电压。我们使用了四种不同的混凝土混合料水/粘合剂比率:0.30、0.28、0.26和0.24,并且在此实验中检查了三个条件(相对湿度,碳化和吸水率)。结果表明,混凝土内部的水分含量会影响混凝土的相对渗透率。与相对湿度的变化相比,霍尔效应电压的变化受碳化作用的影响更大。在其他检查因素中,吸水率增加的霍尔效应电压最少。根据实验,建立了校正系统,并提供了相关的校正因子。

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