ALKALINE SILICATE COMPOSITIONS OF POROUS STRUCTURE
Miryuk O.A.
March 2022Asian Research Publishing Network
ARPN Journal of Engineering and Applied Sciences
2022#17Issue 5509 - 517 pp.
The article presents the results of studies of a porous heat insulating alkaline silicate compositions based on technogenic raw materials. The influence of technogenic factors on aeration of compositions made of liquid glass and technogenic filler has been detected. Aeration of the compositions has been evaluated by the bulk and stability of foam, structure and density of foamed concrete. The influence of type and concentration of foaming agent, filler content, agitation mode of raw stuff on formation of cellular structure has been studied. The structure of aerated materials has been analyzed. Reasonable ratios of solid to liquid components in molding blend have been determined. Additional aeration of cellular structure by means of addition of aerated technogenic filler and gas forming agent, hydrogen peroxide, has been demonstrated. The results of studies of a porous aggregate obtained using liquid glass and technogenic materials (glass cullet, magnetite ore dressing waste, substandard rocks) are presented. Feasibility of a multicomponent feed mixture for pyroplastic swelling of granules is substantiated. Optimization of raw mix composition provided the possibility of combining various formation mechanisms of porous granules.
liquid glass , porosity foamed concrete , pyroplastic swelling , technogenic filler
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Rudny Industrial Institute let Oktyabrya Street, Kostanay Region, Rudny, Kazakhstan
Rudny Industrial Institute let Oktyabrya Street
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