Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Rheological properties of cement pastes admixed with some alkanolamines
The influence of addition of some alkanolamines, namely, monoethanolamine (MEA), triethanolamine (TEA) and polytriethanolamine (PTEA) on the rheological properties of the fresh pastes made of sulfate resisting cement (SRC) and ordinary Portland cement (OPC) was investigated. Different cement pastes made with and without these alkanolamines were prepared at a water/cement (w/c) ratio of 0.40. The shear rate-shear stress relationship was established by a co-axial cylindrical Rheotest. It was found that the rheological properties of the various cement pastes were affected by (i) the type and amount of alkanolamine, (ii) the type of cement and (iii) the applied shear rate. The alkanolamines were found to possess a significant retarding effect on the hydration of SRC in the order: TEA>PTEA>MEA.
Rheological properties of cement pastes admixed with some alkanolamines
The influence of addition of some alkanolamines, namely, monoethanolamine (MEA), triethanolamine (TEA) and polytriethanolamine (PTEA) on the rheological properties of the fresh pastes made of sulfate resisting cement (SRC) and ordinary Portland cement (OPC) was investigated. Different cement pastes made with and without these alkanolamines were prepared at a water/cement (w/c) ratio of 0.40. The shear rate-shear stress relationship was established by a co-axial cylindrical Rheotest. It was found that the rheological properties of the various cement pastes were affected by (i) the type and amount of alkanolamine, (ii) the type of cement and (iii) the applied shear rate. The alkanolamines were found to possess a significant retarding effect on the hydration of SRC in the order: TEA>PTEA>MEA.
Rheological properties of cement pastes admixed with some alkanolamines
Aiad, I. (Autor:in) / Mohammed, A.A. (Autor:in) / Abo-El-Enein, S.A. (Autor:in)
Cement and Concrete Research ; 33 ; 9-13
2002
5 Seiten, 11 Quellen
Aufsatz (Zeitschrift)
Englisch
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