Research of technological parameters for producing thermal insulating arbolite based on developed slag alkali binders

The paper presents the results of studies of an arbolite block made from rice husks. Granulated blast furnace slag of «Qarmet» OJSC and Dzhambul phosphorus slag were used as slag-alkali binders. The resulting material was examined for basic thermal and mechanical characteristics. As a result, it was found that the adhesion strength of the developed slag-alkali binders with rice husks exceeds the adhesion strength of Portland cement with the latter by 1.40 - 4.08 times, where slag-alkaline arbolite was obtained based on rice husks with an average density of 450-800 kg/m3 and a strength of 0.6 – 3.41 MPa. The frost resistance of the developed wood concrete compositions ranges from 15 to 30 cycles of alternating freezing and thawing. The results of this study can be used in the future when designing energy-efficient buildings.

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