Detecting and evaluating method for appearance quality of concrete
A technology of appearance quality and evaluation method, which is applied in the field of concrete, can solve problems such as large environmental limitations, dependence, and high inspection costs, and achieve the effects of avoiding the influence of human factors, simplifying processing steps, and saving labor costs
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[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0028] figure 1 It is the surface photo of the concrete surface detection sample of the present invention, and the acquisition of this photo is to select the area S on the concrete surface to be evaluated 0 = 50cm×50cm test sample, and then photographed at an angle of 30° between the direction of natural light and the surface of the test sample.
[0029] Depend on figure 1 It can be seen that there are many surface cracks, air bubbles, honeycomb pockmarks and holes of different sizes on the surface of the test sample, and there are many defects.
[0030] In order to quantitatively and objectively describe the degree of surface defects of the above-mentioned test samples, firstly, use the binarization processing software Photoshop to carry out binarization processing on the surface photos of the obtained test samples. The gray value...
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