To provide a method for determining components of a sectional texture, for a cement hardened body, and spectroscopically measuring the concentration profile and diffusion coefficient of an intended element.
A section of a cement-based hardened body is partitioned into a number of pixels. At least any one of SiO2 concentration, CaO concentration and SO3 concentration is measured for each pixel, a reference concentration range of each concentration is determined based on the distribution frequency of the measured concentration, and the texture of each pixel part is determined according to the reference concentration range. The concentration of an intended element is measured for each pixel, a concentration profile is determined based on the intended element concentration of a part determined as a paste part, and the diffusion coefficient of the intended element is determined from a diffusion equation based on the concentration profile.
HOSOKAWA YOSHIFUMI
YAMADA KAZUO
YAMAMOTO KAZUO
TAIHEIYO CONSULTANT KK
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Shigeki Ueda