oa Civil Engineering = Siviele Ingenieurswese - Ultimate hydration of water cured cement pastes

Volume 7, Issue 11
  • ISSN : 1021-2000



The paper presents a statistical evaluation of new experimental data and a re-appraisal of previously published data regarding the conditions governing stoppage of hydration in saturated cement pastes. Empirical equations which allow prediction of the end point of hydration are derived and it is concluded from these equations that complete hydration of Portland cement or of mixtures of Portland cement and Blastfurnace slag is impossible at water cement ratios below about 6.25 by weight.

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