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Published by Cuvillier Jun 2010, 2010
ISBN 10: 3869553502ISBN 13: 9783869553504
Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Germany
Book Print on Demand
Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Dispersing admixtures play an important role in today¿s concretetechnology. Around eight billion cubic metres of concrete are made each year and most of it contains dispersing admixtures. These chemical compounds, added at low dosages during concrete mixing, make fresh concrete more liquid and improve its workability. A precise way to determine the workability of concrete is to measure its rheological values yield stress and plastic viscosity. From ready mixed concrete plants and concrete element plants it is known that rheological values of mortar and concrete can sometimes vary when a new cement batch (i.e. a new production date) is used. The aim of this study is threefold. Firstly, to measure and evaluate the effect of variations during routine cement production on the rheology of mortar and concrete. Secondly, to identify the constituents in cement which lead to fl uctuations in rheology. Thirdly, to quantify the changes in rheology due to variations in cement properties. These questions are essential for cement and concrete producers to guarantee a homogeneous concrete production, but also for the scientifi c community to reach a deeper understanding of cementadmixture interactions. 192 pp. Englisch.
Published by Cuvillier
ISBN 10: 3869553502ISBN 13: 9783869553504
Seller: AHA-BUCH GmbH, Einbeck, Germany
Book Print on Demand
Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Dispersing admixtures play an important role in today¿s concretetechnology. Around eight billion cubic metres of concrete are made each year and most of it contains dispersing admixtures. These chemical compounds, added at low dosages during concrete mixing, make fresh concrete more liquid and improve its workability. A precise way to determine the workability of concrete is to measure its rheological values yield stress and plastic viscosity. From ready mixed concrete plants and concrete element plants it is known that rheological values of mortar and concrete can sometimes vary when a new cement batch (i.e. a new production date) is used. The aim of this study is threefold. Firstly, to measure and evaluate the effect of variations during routine cement production on the rheology of mortar and concrete. Secondly, to identify the constituents in cement which lead to fl uctuations in rheology. Thirdly, to quantify the changes in rheology due to variations in cement properties. These questions are essential for cement and concrete producers to guarantee a homogeneous concrete production, but also for the scientifi c community to reach a deeper understanding of cementadmixture interactions.
Published by Cuvillier Verlag, 2010
ISBN 10: 3869553502ISBN 13: 9783869553504
Seller: moluna, Greven, Germany
Book
Condition: New.