TY - JOUR
T1 - Does the Al substitution in C-S-H(I) change its mechanical property?
AU - Oh, Jae Eun
AU - Clark, Simon M.
AU - Monteiro, Paulo J M
PY - 2011/1
Y1 - 2011/1
N2 - This study examines the influence of Al substitution for Si on the bulk modulus of calcium silicate hydrate I [C-S-H(I)], a structural analogue of C-S-H, by performing high-pressure synchrotron X-ray diffraction experiments in two C-S-H(I) samples: one a hydration product of alkali-activated slag and the other a synthetic C-S-H(I). The test result shows that not only the bulk modulus but also the incompressibility of the lattice parameters a, b, and c of two C-S-H(I) samples are very similar to each other, regardless of the Al substitution. This result may be due to the four-coordinated configuration of the substituted Al, which makes the dreierketten silicate chains maintain the same arrangement after the substitution.
AB - This study examines the influence of Al substitution for Si on the bulk modulus of calcium silicate hydrate I [C-S-H(I)], a structural analogue of C-S-H, by performing high-pressure synchrotron X-ray diffraction experiments in two C-S-H(I) samples: one a hydration product of alkali-activated slag and the other a synthetic C-S-H(I). The test result shows that not only the bulk modulus but also the incompressibility of the lattice parameters a, b, and c of two C-S-H(I) samples are very similar to each other, regardless of the Al substitution. This result may be due to the four-coordinated configuration of the substituted Al, which makes the dreierketten silicate chains maintain the same arrangement after the substitution.
UR - http://www.scopus.com/inward/record.url?scp=78649330438&partnerID=8YFLogxK
U2 - 10.1016/j.cemconres.2010.09.010
DO - 10.1016/j.cemconres.2010.09.010
M3 - Article
AN - SCOPUS:78649330438
VL - 41
SP - 102
EP - 106
JO - Cement and Concrete Research
JF - Cement and Concrete Research
SN - 0008-8846
IS - 1
ER -