A New Non-Destructive Test Technique for Concrete Structure
-X-ray technique with contrast medium-
By K. Otsuka and M. Takeda

Concrete Journal, Vol.40, No.11, Nov. 2002


Synopsis
X-ray technique with contrast medium is studied for the practical application as one of the non-destructive tests of concrete structures. This method can detect crack tip position and crack shape of the concrete member inside at the good accuracy. In addition, this method may be able to quantitatively examine the degree of the deterioration from the microcrack generation condition in collected concrete test piece. This paper described present state of the research.
Keywords:
X-ray, contrast medium, crack tip position, crack shape, microcrack, quantitative degree of deterioration

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