Cover thickness inspection method and cover thickness inspection device
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机译:覆盖厚度检测方法和覆盖厚度检测装置
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摘要
To provide a cover concrete thickness inspection method enabling the cover concrete thickness of a reinforced concrete structure to be accurately and easily measured without installing a large scale scaffold.SOLUTION: There is provided is the cover concrete thickness inspection method that uses a small unmanned aerial vehicle to inspect the cover concrete thickness of a reinforcing bar in a reinforced concrete structure. The cover concrete thickness inspection method comprises: a first measurement step (step S1) of performing first measurement with the cover concrete thickness measurement sensor by moving the small unmanned aerial vehicle along the surface of the reinforced concrete structure; an analysis step (step S2) of performing frequency analysis on the measurement result of the first measurement step thereby obtaining a spectrum shape; a survey line evaluation step (step S3) of evaluating the status of the survey line where the first measurement has been performed from the spectrum shape; and a trajectory determining step (step S5) of determining the next movement locus from the evaluation result in the survey line evaluation step.SELECTED DRAWING: Figure 10
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