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Prediction of the plastic viscosity of self-compacting steel fibre reinforced concrete

Ghanbari, Akbar and Karihaloo, Bhushan Lal 2009. Prediction of the plastic viscosity of self-compacting steel fibre reinforced concrete. Cement and Concrete Research 39 (12) , pp. 1209-1216. 10.1016/j.cemconres.2009.08.018

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Abstract

Micromechanical constitutive models are used to predict the plastic viscosity of self-compacting steel fibre reinforced concrete (SCFRC) from the measured plastic viscosity of the paste. The concrete is regarded as a two-phase composite in which the solid phase is suspended in a viscous liquid phase. The liquid matrix phase consists of cement, water and any viscosity modifying agent (VMA) to which the solids (fine and coarse aggregates and fibres) are added in succession. The predictions are shown to correlate very well with available experimental data. Comments are made on the practical usefulness of the predicted plastic viscosity in simulating the flow of SCFRC.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Uncontrolled Keywords: Rheology; Workability; Fresh concrete; Fibre reinforcement; Self-compacting concrete
Publisher: Elsevier
ISSN: 0008-8846
Last Modified: 04 Jun 2017 02:01
URI: http://orca.cf.ac.uk/id/eprint/7753

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