DOI: 10.5593/SGEM2015/B41/S18.089


C. Badea, R. Chendes, L.Iures, S.Dan
Monday 28 September 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-38-4 / ISSN 1314-2704, June 18-24, 2015, Book4, 683-690 pp

Into this paper are presents the experimental researches to obtain repair mortars. It is a special mortar and is realized using cement, silica fume, sand, water and superplasticizer. The compressive strengths have values between 20-35 N/mm2 at 1 day and between 70-100 N/mm2 at 28 days. The bending tensile strengths have values around 5 N/mm2 at 1 day and around 10 N/mm2 at 28 days; in function of compressive and bending tensile strengths the special mortars researched can be framed into high strengths mortars. This type of special mortars can be used like repair mortars. By recycling of silica fume we can help to protect the environment.

Keywords: high strengths mortars, silica fume recycling, industrial waste, environment protect, building materials, sustainable materials

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