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  • The thesis deals with the possibility of kaolin suspensions specific weight lowering using air-entraining agents. These agents belong to the surfactants, i.e. materials, whose molecules are absorbed strongly in the air-water or solid-water interfaces. This property enables them to stabilize air bubbles created in the suspension during mixing. Air-entraining agents are usually used as concrete admixtures in concrete products exposed to the effects of frost or chemical defrosting agents. The goal of the thesis is to verify an alternative possibility of creating porous structure in kaolin suspensions in order to prepare heat insulating moulded refractory concretes without using lightweight fillers. The effect of several air-entraining agents was compared, after that the dosage of agent and mixing conditions were optimized. Stabilization of prepared foams and verification of the possibility of the combination of this method and the addition of lightweight fillers were also part of this thesis just as cha
  • The thesis deals with the possibility of kaolin suspensions specific weight lowering using air-entraining agents. These agents belong to the surfactants, i.e. materials, whose molecules are absorbed strongly in the air-water or solid-water interfaces. This property enables them to stabilize air bubbles created in the suspension during mixing. Air-entraining agents are usually used as concrete admixtures in concrete products exposed to the effects of frost or chemical defrosting agents. The goal of the thesis is to verify an alternative possibility of creating porous structure in kaolin suspensions in order to prepare heat insulating moulded refractory concretes without using lightweight fillers. The effect of several air-entraining agents was compared, after that the dosage of agent and mixing conditions were optimized. Stabilization of prepared foams and verification of the possibility of the combination of this method and the addition of lightweight fillers were also part of this thesis just as cha (en)
Title
  • The Application of Air-Entraining Admixtures for the Development of Heat Insulating Moulded Refractory Concretes
  • The Application of Air-Entraining Admixtures for the Development of Heat Insulating Moulded Refractory Concretes (en)
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  • The Application of Air-Entraining Admixtures for the Development of Heat Insulating Moulded Refractory Concretes
  • The Application of Air-Entraining Admixtures for the Development of Heat Insulating Moulded Refractory Concretes (en)
skos:notation
  • RIV/00216305:26310/14:PU112783!RIV15-MSM-26310___
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  • 3707
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  • RIV/00216305:26310/14:PU112783
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  • refractories, air-entraining agent, stabilization, mixing, dosing, filler, specific weight (en)
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  • [0C50258C8A3C]
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  • Šoukal, František
  • Lang, Karel
  • Bednárek, Jan
  • Novotný, Radoslav
http://localhost/t...ganizacniJednotka
  • 26310
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