Rheological behaviour of hydraulic lime-based mortars
authors Seabra, MP; Labrincha, JA; Ferreira, VM
nationality International
journal JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
author keywords traditional ceramics; suspensions; mortars
keywords FRESH MORTAR; CEMENT; ADMIXTURES; SUPERPLASTICIZERS
abstract The rheological behaviour of fresh mortars is a key characteristic since it determines the material workability, having as well a great influence on the hardened product final characteristics. In this work, the rheological properties of fresh hydraulic lime-based mortars were investigated. The mortar rheological parameters, relative yield stress (g) and relative plastic viscosity (h), were obtained using a specific rheometer for mortars. In addition, the correlation of rheological data with slump measurements performed in the same samples was also attempted. The workability of fresh mortars is affected by several parameters, namely, binder/aggregate ratio, kneading water content, type and amount of admixtures. Chemical admixtures studied included a superplasticizer, an air-entraining agent and a water-retaining agent. The influence of these parameters on the rheological behaviour of hydraulic lime-based mortars is detailed. (c) 2006 Elsevier Ltd. All rights reserved.
publisher ELSEVIER SCI LTD
issn 0955-2219
year published 2007
volume 27
issue 2-3
beginning page 1735
ending page 1741
digital object identifier (doi) 10.1016/j.jeurceramsoc.2006.04.155
web of science category Materials Science, Ceramics
subject category Materials Science
unique article identifier WOS:000243265100217
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journal analysis (jcr 2017):
journal impact factor 3.794
5 year journal impact factor 3.536
category normalized journal impact factor percentile 98.148
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