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Evaluation of Steel Reinforcing Bar in Concrete Using Electromagnetic Method
We developed electromagnetic methods to evaluate the steel reinforcing bar in concrete. Using two probes and lower excitation frequencies of 3.8 k Hz and 4.2 k Hz, the depth and the diameter of the steel reinforcing bar can be evaluated and the resolution of better than 1 mm is obtained. Using higher excitation frequency of about 80 kHz, the corrosion of the steel reinforcing bar can be evaluated.
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2018远东无损检测新技术论坛论文集
2018年

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