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|Title: ||Workability, shear strength and build of wet-process sprayed mortars|
|Authors: ||Austin, Simon A.|
Robins, Peter J.
Goodier, Chris I.
|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|
|Appears in Collections:||Conference Papers (Civil and Building Engineering)|
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