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Published in 2017 at "Aij Journal of Technology and Design"
DOI: 10.3130/aijt.23.397
Abstract: In this research, the applicability to the concrete of the echo chip was examined in the beginning. The content was examination of difference, influence of direction of measurement, and influence depth. The following examination is…
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Keywords:
strength;
proposal testing;
testing method;
compressive strength ... See more keywords