Abstract
Innovative ways of using fly ash to improve the strength of soil–cement are analyzed. It is proposed to solve the environmental problem of utilization of this material, when using the addition of fly ash during the construction of soil–cement elements. The strength of soil–cement samples with the addition of fly ash (with the main content of fly ash with a percentage of 5, 10 and 15% by weight of cement) at the age of 28 and 90 days was studied. It is established that the average compressive strength of the samples with the addition of Mikolaev CHP fly ash with a fraction of inclusions up to 4 mm in the amount of 5% increases the compressive strength by 30% (at the age 28 days). The expediency of the application of fly ash for soil–cement elements in the construction of waste storage is analyzed.
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