Paper Title:
Effect of P2O5 on the Properties of Alite-Calcium Strontium Sulphoaluminate Cement
  Abstract

The influence of P2O5 on the properties of alite-calcium strontium sulphoaluminate cement was researched by means of X-ray diffraction, scanning electron microscope-energy dispersive spectroscopy (SEM-EDS) and petrographic analysis. The results show that the optimal content of P2O5 is 0.3% and the compressive strength of the cement at 1, 3, 28d are 27.0, 59.1, 110.9MPa when the calcining temperature is 1350°C. P2O5 mainly exists in the belite and a suitable amount of P2O5 can promote the formation of C1.5Sr2.5A3 and alite. When the content of P2O5 is higher than 0.3%, the formation of C1.5Sr2.5A3 and alite can be hindered. P2O5 can enhance the hydration heat evolution rate in the acceleration period and the hydrate heat of cement containing P2O5 increases slightly.

  Info
Periodical
Advanced Materials Research (Volumes 306-307)
Chapter
Chapter 8: Constructional Materials
Edited by
Shiquan Liu and Min Zuo
Pages
961-965
DOI
10.4028/www.scientific.net/AMR.306-307.961
Citation
C. N. Yin, L. C. Lu, S. D. Wang, "Effect of P2O5 on the Properties of Alite-Calcium Strontium Sulphoaluminate Cement", Advanced Materials Research, Vols. 306-307, pp. 961-965, 2011
Online since
August 2011
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Price
$32.00
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