| 摘要 |
PROBLEM TO BE SOLVED: To provide an estimation method of a type of clinker of cement used for a cement hardened body, which can accurately estimate the type of clinker of cement used for the cement hardened body without separating fine aggregate, admixture, or the like from the cement hardened body, and sufficiently estimate it also from a sample of size of about 1 mm square. SOLUTION: In the method of estimating the type of clinker of the cement used for the cement hardened body using an electron probe micro-analyzer, non-hydration calcium silicate phase remaining in the cement hardened body is selected, composition analysis of a minute part of this non-hydration calcium silicate phase is performed using the electron probe micro-analyzer, and the type of clinker of the cement is estimated based on the result of the composition analysis. COPYRIGHT: (C)2009,JPO&INPIT
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