Foam concrete modified by ash –containing additive «Hardness-M».

The article presents the study results of the impact of ash-containing additive «Hardness-M» on the physico-mechanical characteristics of foam concrete and cement hydration. The additive «HardnessM» is a 20% solution of orthosilicon acid modified by K4[Fe(CN) 6]. It is shown, that the applied additive increases the compression strength of concrete by 25 -46 %, and lowers the heat conductivity factor by 25 %.
Author: L. V. Svatovskaya, V. Y Solovieva, I. V. Stepanova, A. M. Sycheva, A. V. Khitrov, T. S. Titova

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