The Effect of Adding Selected Nanoparticles on the Mechanical Properties of the Cement Matrix of Self-Compacting Concrete

Abstract:

The interest in nanomaterials as an addition that improves the properties of concrete has been growing for more than a decade. One of the principal ways of evaluating concretes is the testing of their micro- and nanohardness by means of nanoindentation. This paper presents the results of nanoindentation tests of hardened self-compacting concrete modified with different amounts of nanoparticles. The investigations covered a reference series of self-compacting concrete without any nanoparticle addition and ten concrete series modified with different amounts of SiO₂, TiO₂ and Al₂O₃ powder nanoparticles. An analysis of the test results is carried out and conclusions are drawn.

• Periodical: Applied Mechanics and Materials (Volume 797)
• Pages: 158-165
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.797.158
• Online since: November 2015
• Authors: Paweł Niewiadomski*, Damian Stefaniuk
• Keywords: Cement Matrix, Elastic Modulus, Hardness, Nanoindentation, Nanoparticles, Self-Compacting Concrete

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