DETERIORATION FACTOR DETECTING METHOD AND DEVICE OF CONCRETE

摘要

PROBLEM TO BE SOLVED: To provide a deterioration factor detecting method of concrete capable of accurately detecting the deterioration factor of concrete in a non-destructive non-contact state.

SOLUTION: The surface C of concrete is photographed to acquire a visible light image 70 while the surface C of concrete is irradiated with infrared rays L and the reflected light L1 from the surface C of concrete is input to a spectroscope 14 through a scanner 12. The absorbance based on the intensity of light with a specific wavelength is detected in order to detect the specific deterioration factor of concrete by the spectroscope 14 and the quantification is performed on the basis of the absorbance and a deterioration factor image 80 is acquired by displaying a variable density or color by allowing the same to correspond to the measured surface C of concrete measured on the basis of the quantified value, and the deterioration factor image 70 thereof and the visible light image 80 are synthesized to specify the deterioration factor of the surface of concrete and its place.

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