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Feasibility study of a coaxial cylinders viscometer for mortar

Banfill, P.F.G.

AbstractA coaxial cylinders viscometer for mortars containing particles up to 2 mm diameter has been constructed with the minimum of modification to the two-point workability apparatus for concrete. Mortars are characterised by the Bingham model with yield values and plastic viscosities intermediate between those of cement paste and fresh concrete. The variations in these two paramaters show similar trends to those observed in fresh concrete. Hysteresis loops in the flow curves were obtained which suggest that mortars are shear dependent. The apparatus is sufficiently sensitive to be useful in investigating the effects of properties and relative proportions of constituent materials and of different mixing procedures on the rheology of mortars.

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Feasibility study of a coaxial cylinders viscometer for mortar

Banfill, P.F.G.

AbstractA coaxial cylinders viscometer for mortars containing particles up to 2 mm diameter has been constructed with the minimum of modification to the two-point workability apparatus for concrete. Mortars are characterised by the Bingham model with yield values and plastic viscosities intermediate between those of cement paste and fresh concrete. The variations in these two paramaters show similar trends to those observed in fresh concrete. Hysteresis loops in the flow curves were obtained which suggest that mortars are shear dependent. The apparatus is sufficiently sensitive to be useful in investigating the effects of properties and relative proportions of constituent materials and of different mixing procedures on the rheology of mortars.

Feasibility study of a coaxial cylinders viscometer for mortar

Banfill, P.F.G.

AbstractA coaxial cylinders viscometer for mortars containing particles up to 2 mm diameter has been constructed with the minimum of modification to the two-point workability apparatus for concrete. Mortars are characterised by the Bingham model with yield values and plastic viscosities intermediate between those of cement paste and fresh concrete. The variations in these two paramaters show similar trends to those observed in fresh concrete. Hysteresis loops in the flow curves were obtained which suggest that mortars are shear dependent. The apparatus is sufficiently sensitive to be useful in investigating the effects of properties and relative proportions of constituent materials and of different mixing procedures on the rheology of mortars.

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Title:

Feasibility study of a coaxial cylinders viscometer for mortar

Contributors:

Banfill, P.F.G. (author)

Published in:

Cement and Concrete Research ; 17 ; 329-339

Publication date:

1986-12-16

Size:

11 pages

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(87)90115-3

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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