Hydration Characteristics of Super Sulphated Cement with Different Fineness

DOI

10.2991/icmaee-14.2014.35How to use a DOI?

Keywords

super sulphated cement(SSC), Particle size distribution, Hydration exothermic rate, Ettringite phase, C-S-H gel

Abstract

The various periods mechanical performance of super sulphated cement(SSC) with different fineness are investigated in this paper. The hydration exothermic rate, hydration products and morphology of SSC are tested with differential scanning calorimetry(DSC), X-ray diffraction analysis(XRD) and scanning electron microscopy(SEM), separately. Experimental results show that sample particles in turn become finer followed by No.SSC-1, SSC-2 and SSC-3, the compressive strength of SSC-3 and SSC-2 are significantly higher than SSC-1 with same ages, which are 11.7MPa and 5.8MPa higher than SSC-1sample at 3days, and, 19.9MPa and 17.5MPa higher than SSC-1sample at 28 days, respectively. With the increasing of specific surface area(SSA), the duration of induction period was shortened nearly more than 10 hours, the amount of ettringite phase and C-S-H gel also significantly increased, which makes SSC paste more compact.

Copyright

© 2014, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Jun Wang
AU  - Baoying Yu
AU  - Yuxin Gao
PY  - 2014/03
DA  - 2014/03
TI  - Hydration Characteristics of Super Sulphated Cement with Different Fineness
BT  - Proceedings of the International Conference on Material and Environmental Engineering (ICMAEE 2014)
PB  - Atlantis Press
SP  - 131
EP  - 134
SN  - 1951-6851
UR  - https://doi.org/10.2991/icmaee-14.2014.35
DO  - 10.2991/icmaee-14.2014.35
ID  - Wang2014/03
ER  -