Evaluation of the pozzolanic activity of the ash of the TPP at application in energy effective concretes
Journal Title: Вісник Одеської державної академії будівництва та архітектури - Year 2017, Vol 1, Issue 69
Abstract
The research of dependence of pozzolanic activity of wastes of power industry with different chemical and mineralogical composition received on different technologies of burning, selection and activating was carried out. It was found that while using non- crushed ash, its quantity should be selected in the range of 15...35%, for mechanically activated ash – in the range of 25...45%. This range of ash content allows to determine the pozzolanic activity and to find optimal amount of ash that can be added into the binder composition and concrete mortar for improving their building and technological properties and reduce energy costs for their production. It was shown that the use of ash as a pozzolan component in the test compositions has a positive effect on the kinetics of strength growth of the artificial stone and also improves the rheological properties of the concrete, and increases the slump of concrete by 20...25%, depending on the type of ash.
Authors and Affiliations
V. V. Pavlіyk, Bondarenko O. P. Bondarenko, V. І. Komlik
Keywords
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