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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/4974

Title: Workability, shear strength and build of wet-process sprayed mortars
Authors: Austin, Simon A.
Robins, Peter J.
Goodier, Chris I.
Keywords: Mortars
Rheology
Wet-process
Sprayed concrete
Two-point test
Workability
Slump
Build
Issue Date: 1999
Publisher: Thomas Telford / © The Authors
Citation: AUSTIN, S.A., ROBINS, P.J. and GOODIER, C.I., 1999. Workability, shear strength and build of wet-process sprayed mortars. IN: Dhir, R.K. and Henderson, N.A., (eds.). Specialist Techniques and Materials for Concrete Construction [Proceedings of the International Congress on Creating with Concrete, Dundee, Scotland, September 1999], pp.317-329.
Abstract: This paper, which reports on part of a three year research project into wetprocess sprayed concrete for repair, examines the influence of rheology on the pumping and spraying of sprayed mortars. The workability properties of seven commercially available prepackaged repair mortars and six laboratory designed fine mortars were examined using the Tattersall Two-point viscometer, the slump test, a build test and a vane shear strength test. The Two-point apparatus was successful with low-workability mortars and the flow resistance and torque viscosity of the mortars was determined. The vane shear strength test provided an instantaneous reading of the shear strength of the mortars and is compared with their slump. The build value, a measure of sprayability, is then compared with these two workability parameters and the flow resistance in order to determine their inter-relationship.
Description: This is a conference paper. It was published in the book "Specialist Techniques and Materials for Concrete Construction" which is available from: http://www.thomastelford.com/books/
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/4974
ISBN: 9780727728258
Appears in Collections:Conference Papers (Civil and Building Engineering)

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