Abstract
The article covers the results of research and experimental studies aimed at determination of the impact of hollow glass microspheres on the properties of light fine-aggregate foam concrete. The authors determined the physical and mechanic characteristics of foam concrete containing a different amount of microspheres, polymer and basalt fibres using different foaming and superplasticising agents. It was determined that optimal content of hollow glass microspheres with respect to quartz sand is 50 %. As a result strength properties increased by 16-23 %. Foaming agents PO-6 and PB-2000, superplasticising agent Sika ViscoCrete 5-800, polypropylene fibre VSM and basalt fibre were selected as the most efficient. The authors found out that the introduction of coated hollow grass microspheres MS-VP-A9* facilitated the improvement of the pore space structure and the increase in interpore partition strength.
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