Structural Changes in Refractory Calcium Aluminate Cement Concrete

Yu. R. Krivoborodov; S. V. Samchenko; T. V. Kuznetsova

doi:10.1007/s11148-018-0197-1

Structural Changes in Refractory Calcium Aluminate Cement Concrete

Authors: Krivoborodov Y.R.¹, Samchenko S.V.², Kuznetsova T.V.¹
Affiliations:
1. D. I. Mendeleev University of Chemical Technology of Russia
2. Moscow State University of Civil Engineering
Issue: Vol 59, No 2 (2018)
Pages: 151-155
Section: Article
URL: https://journal-vniispk.ru/1083-4877/article/view/249012
DOI: https://doi.org/10.1007/s11148-018-0197-1
ID: 249012

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Abstract

The influence of both organic and inorganic additives to calcium aluminate cement on the processes of hydration and structure formation of concrete both at normal and elevated temperatures is investigated here. The results of investigating phase transformations in hardened calcium aluminate samples during heating from 20 to 900°C are given. The structure change mechanism and the reasons for the reduction of the strength of concrete under the influence of high temperatures are described.