Biological Resistance of Cement Composites Filled with Dolomite Powders

Abstract:

In this article, we consider a method of producing biostable innovative materials in order to improve the biological resistance and durability of buildings and structures based on them. We present the results of the research work focused on the study of the cement composites bioresistance. Powders of milled quartz sand and dolomite were the fillers for the composites. Mathematical methods of experiments design allowed us to derive the dependences describing how the bioresistance coefficient, the elastic modulus and the water demand depend on the granulometric composition after 3 and 9 months of aging in the environment of filamentous fungi. We have found that the multifractional compositions have a higher bioresistance coefficient. We determined that dolomite significantly enhances bioresistance of the samples and Portland cement composites, filled with quartz sand and dolomite, are fungal resist.

• Periodical: Materials Science Forum (Volume 871)
• Pages: 33-39
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.871.33
• Online since: September 2016
• Authors: Vladimir Erofeev, Vladimir Kalashnikov, Denis Emelyanov*, Elita Balathanova, Irina Erofeeva, Vasiliy Smirnov, Ilia Tretiakov, Aleksandr Matvievskiy
• Keywords: Bioresistance, Buildings, Cement Composite, Dolomite Powder, Fungicidal Composition, Innovative Materials for Construction

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