Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Porenbetonformkörper sowie Verfahren zu seiner Herstellung
Aerated concrete molded body (I) comprising calcium silicate hydrate bar framework, preferably a tobermorite bar framework, and pores, is claimed, where the aerated concrete molded body exhibits an A-number of above 1600, a thermal conductivity of = 0.085 W/mK and at least a compressive strength of 1.6 N/mm 2>. An independent claim is included for a process for producing (I) comprising preparing a casting compound from at least one calcium oxide component reacting in a hydrothermal process, preferably from burnt lime, at least a cement, at least a silica component reacting in hydrothermal process, preferably in the form of quartz powder, at least a calcium sulfate component and at least a blowing agent, especially in the form of an aluminum component, and water, binging the pourable mass poured into a mold to raise and stiffen into a green cake, cutting the cake into molded bodies and curing the molded body in an autoclave, where the casting compound contains an additive to prevent the sedimentation of castable solids that contain more than 50% of a finely divided silica-component with specific surface of 8000-30000 m 2>/g, as measured according to Blaine, and the water/solids value is 0.8-2.
Porenbetonformkörper sowie Verfahren zu seiner Herstellung
Aerated concrete molded body (I) comprising calcium silicate hydrate bar framework, preferably a tobermorite bar framework, and pores, is claimed, where the aerated concrete molded body exhibits an A-number of above 1600, a thermal conductivity of = 0.085 W/mK and at least a compressive strength of 1.6 N/mm 2>. An independent claim is included for a process for producing (I) comprising preparing a casting compound from at least one calcium oxide component reacting in a hydrothermal process, preferably from burnt lime, at least a cement, at least a silica component reacting in hydrothermal process, preferably in the form of quartz powder, at least a calcium sulfate component and at least a blowing agent, especially in the form of an aluminum component, and water, binging the pourable mass poured into a mold to raise and stiffen into a green cake, cutting the cake into molded bodies and curing the molded body in an autoclave, where the casting compound contains an additive to prevent the sedimentation of castable solids that contain more than 50% of a finely divided silica-component with specific surface of 8000-30000 m 2>/g, as measured according to Blaine, and the water/solids value is 0.8-2.
Porenbetonformkörper sowie Verfahren zu seiner Herstellung
Porous concrete moulded part and method for its manufacture
Corps de formage en béton poreux et son procédé de fabrication
27.04.2022
Patent
Elektronische Ressource
Deutsch
IPC:
C04B
Kalk
,
LIME
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