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Studies on the Stability of Calcium Sulphoaluminate
Author(s) -
BenYair M.
Publication year - 1969
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.196900086
Subject(s) - aluminate , portland cement , calcium , chemistry , lime , cement , chemical engineering , mineralogy , metallurgy , organic chemistry , materials science , engineering
High calcium sulpho‐aluminate (3CaO. Al 2 O 3 . 3CaSO 4 . 31H 2 O—C.S.A.) is a deterioration product of Portland cement found in concrete. It is formed by the attack of sulphate solutions on two of the Portland cement components: hydrated calcium Aluminate and lime. These phenomena fostered a study of the synthesis and stability of calcium sulpho‐aluminate. Results of the experiments on stability of calcium sulphoaluminate in different media are discussed. Measures for preventing the formation of C.S.A. in Portland cement are described.