EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)
|Concrete Based Materials
|10 June 2010
Rheological and Mechanical Response Modifications for a Self-Leveling Mortar
Department of Civil and Structural Engineering Technology
Teachers School of Pedagogical and Technological Education (ASPETE)
Irene Train Station – Athens – Greece
a e-mail: firstname.lastname@example.org
In many cases cement based materials demand a higher flowability and workability and this conventionally can’t be done without loss of its strength, due to the fact that the common practice to increase the workability is the addition of water. But, nowadays using a third generation superplasticizer (SP) we can achieve the desire flowability without loss of its strength. The action of superplastisizers is to spread efficiently the cement grains and so to wetting better the cement grains giving a more homogeneous mixture with higher strength. Nine different mixtures were prepared adding a small percentage of SP (1%). The conditions to get a self levelling mortar, have to do not only with rheological but also with mechanical demands. The bending and compression test gave the achieving mechanical strength whereas their rheological response came through slump flow and v-funnel flow tests. With the help of a small amount of stabilizer we obtain a robust mixture that deserves the desire response at the field too.
© Owned by the authors, published by EDP Sciences, 2010
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