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Some aspects of the initial modulus of elasticity of concrete compensated shrinkage on tuff aggregates of Kabardino-Balkaria

Abstract

Some aspects of the initial modulus of elasticity of concrete compensated shrinkage on tuff aggregates of Kabardino-Balkaria

Beshtokov B.H., Birsov M.A., Hutov A.A., Cherkesov A.V.

Incoming article date: 19.06.2017

The article is devoted to the results of studies of the initial modulus of elasticity of tuffs on natural porous aggregates of Kabardino-Balkaria, with compensated shrinkage with prepared additives, both in quartz and tuff sands. The article presents the results of experiments on determining the initial modulus of elasticity of tuffs of different preparation formulas. The values ​​of the correction coefficients in the well-known formula for the dependence of the initial modulus of elasticity of lightweight concrete on its cubic strength and the volume weight of dry concrete, depending on the formulation of tuffs are proposed.

Keywords: Modulus of elasticity, tuffs, light concretes, porous aggregates, tuff, tuff sands, compensated shrinkage