National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
A rheology of high viscosity portland cement pastes applied on extrusion technology
Tihlařík, Petr ; Kunc, Jaroslav (referee) ; Lang,, Karel (referee) ; Šťastník, Stanislav (referee) ; Fridrichová, Marcela (advisor)
The aim of this doctoral thesis is to verify a possibilities of fibercement extrusion. A mixture for extrusion is typical for its high toughness and high fiber content, as the fiber content may be several times higher than when utilizing other production methods. The technology of a twin shaft kneader makes it possible to produce homogenous mixture for extrusion with low water/cement ratio. With use of auger moulder a mixture of high toughness is formed to final shape. The extreme shear and pressure stress is applied in the process. Therefore high requirements are posed on the equipment.
A rheology of high viscosity portland cement pastes applied on extrusion technology
Tihlařík, Petr ; Kunc, Jaroslav (referee) ; Lang,, Karel (referee) ; Šťastník, Stanislav (referee) ; Fridrichová, Marcela (advisor)
The aim of this doctoral thesis is to verify a possibilities of fibercement extrusion. A mixture for extrusion is typical for its high toughness and high fiber content, as the fiber content may be several times higher than when utilizing other production methods. The technology of a twin shaft kneader makes it possible to produce homogenous mixture for extrusion with low water/cement ratio. With use of auger moulder a mixture of high toughness is formed to final shape. The extreme shear and pressure stress is applied in the process. Therefore high requirements are posed on the equipment.

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