5 , the fractal dimension of the overall impact test conditions shows a decreasing trend, in which the fractal dimension of the first stage of the conditions is at 1.815 ~ 1.830, the fractal dimension of the second stage is at 1.781 ~ 1.795, and the fractal dimension of the third stage is at 1.697 ~ 1.760.
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Research on concrete structure damage detection based on piezoelectric sensing technology and morphological fractal method.
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