Paper Title:
Performance of Belite-Barium Calcium Sulphoaluminate Cement Prepared by Substituting Fly Ash for Clay
  Abstract

The mineral structure and performance of belite-barium calcium sulphoaluminate cement clinkers were investigated by petrographic analysis, X-ray diffraction and scanning electron microscopy. The experimental results showed that the minerals of calcium barium sulphoaluminate (C2.75B1.25A3) and C2S could coexist in the belite-barium calcium sulphoaluminate cement clinker, and the optimal sintering temperature was 1380°C, at which, more C2.75B1.25A3was formed, well developed and also evenly distributed in the optimal sintering condition. If the sintering temperature exceeded 1380°C, the decomposition of C2.75B1.25A3 would speed up and the C3S became inactivate for its excessive development. In the optimal sintering condition, the compressive strength of the prepared cement at 3, 7, 28 d were 32.6, 47.9, 88.5 MPa respectively, which exhibited excellent mechanical properties.

  Info
Periodical
Advanced Materials Research (Volumes 306-307)
Chapter
Chapter 8: Constructional Materials
Edited by
Shiquan Liu and Min Zuo
Pages
1066-1070
DOI
10.4028/www.scientific.net/AMR.306-307.1066
Citation
P. Q. Zhao, W. Zong, S. D. Wang, G. Y. Wang, L. C. Lu, "Performance of Belite-Barium Calcium Sulphoaluminate Cement Prepared by Substituting Fly Ash for Clay", Advanced Materials Research, Vols. 306-307, pp. 1066-1070, 2011
Online since
August 2011
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Price
$32.00
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