n Journal of the South African Institution of Civil Engineering = Joernaal van die Suid-Afrikaanse Instituut van Siviele Ingenieurswese - The effect of fly ash properties on concrete strength In 45(1) 2003, pp.19-24 : discussion




The conclusions given in this paper contradict to some extend the findings obtained from extensive local and international reasearch using South African fly ashes and are also not supported by the practical experience gained is the last 20 years using these fly ashes in southern Africa as well as the Middle East (exports) as extender and constituent in cement. <br>Worldwide in-house research currently undertaken by the writer's organisation, which ranks as world No 1 cement manufacturer, supports this statement.


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