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Use of a high-calcium fly ash in blended type cement production

✍ Scribed by Joanna Papayianni

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 413 KB
Volume: 15
Category: Article
ISSN: 0958-9465
DOI: 10.1016/0958-9465(93)90026-6

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✦ Synopsis

Eighty percent of fly ash produced by Greek Public Power Corporation (PPC) is of a high-calcium variety. It has a low insoluble residue and a high content in CaO as well as in SO 3. It also shows selfcementing properties. About 20% of it is used by cement companies in blended type cement production.

In this paper mechanical strengths and some other characteristics concerning blended cement and concrete made with it are presented. Special difficulties anticipated in using such a marginal fly ash in cement are also mentioned.

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