Method of manufacturing aerated concrete structures

Aerated concrete is obtained by adding fine aluminium, alkali and less than 2% (relative to dry ingredients) of soap to water, and forming a mix including cementitious material. Fly-ash and sand can be used a fillers. Aggregates are expanded polystyrene, sintered pellets of clay or fly-ash, and foam...

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1. Verfasser: URMSTON CHARLES WILLIAM BRABAZON
Format: Patent
Sprache:eng
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Zusammenfassung:Aerated concrete is obtained by adding fine aluminium, alkali and less than 2% (relative to dry ingredients) of soap to water, and forming a mix including cementitious material. Fly-ash and sand can be used a fillers. Aggregates are expanded polystyrene, sintered pellets of clay or fly-ash, and foamed slag, whilst soaps used are the stearates of sodium, potassium, lead, aluminium, ammonium, calcium, cadmium, lithium, magnesium and zinc. As catalysts for the alkali-aluminium reaction oxides of iron, manganese, zinc and cobalt can be used. Lime or cement are the binders.