Abstract
The results of studies on the foam concrete and fiber concrete development based on volcanic tuff dusting waste are presented. The foam concrete compositions that can significantly reduce the Portland cement consumption and at the same time increase its strength properties are proposed. To study the dispersed reinforcement parameters’ effect on the properties of fiber-reinforced concrete, an experiment with a second-order composite rotatable plan such as a regular hexagon was conducted. The use of fosta nylon fibers in foam concrete increases their strength properties and positively affects the structure. Dispersed fibers not only reinforce the matrix, but also significantly change its structure indicators, in particular, porosity indicators (uniformity of pore diameter distribution, average pore size), which in turn affects the strength characteristics of the material.
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