Abstract
Non-destructive measurement techniques are used to identify engineering construction components without causing any negative effects on their use as construction components in the future. Contrary to this, conventional techniques cause damage to the structure. The magnetic flux leakage (MFL) method is a non-destructive test technique commonly used to assess the physical status of construction materials. Within the framework of this study a magnetic flux leakage device was produced to detect the properties of reinforced concrete construction elements. The produced magnetic flux leakage device was used for measurements in 4 different test systems created in the laboratory environment and the results were interpreted. Thus, it was revealed that the detection of reinforcement in structures can be performed more rapidly and without damage with the MFL method.
Highlights
Non-destructive measurement techniques are used to identify engineering construction components without causing any negative effects on their use as construction components in the future
There are several studies performed with the magnetic flux leakage (MFL) method
Our results are showed that the MFL method can be used to detection reinforcement in addition to previous studies
Summary
In order to perform MFL measurements, a transmitter coil, receiver coil, and transmitter and receiving coil electronic systems are required. The current induced in the receiver coil due to the current applied to the transmitter coil was recorded with the aid of an oscilloscope In this way, the response of the designed system at different frequencies was obtained and a frequency-amplitude graph was plotted (Figure 2). When high-permeability metal is placed close to the sensor, the magnetic flux intensifying in the receiver coil core increases; the potential differences due to the induction increases in direct proportion. The locations and geometries of 7 ferromagnetic materials were detected by the produced magnetic flux leakage device
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