The durability of building elements is influenced by a number of different factors.Among the most complicated, biocorrosion can be included without exaggeration.From practical experience, we know that biodegradation manifests itself in all kinds of materials and structural elements.Although both primary and secondary protection of a particular building structure is realized, if appropriate living conditions are created for the existence of a particular species of biodeteriogen, this kind of degradation will be initiated.The paper deals with the issue of biocorrosion, which was studied at selected parts of the technical extension in Campus of the Technical University in Kosice.Undesirable bio-corrosive symptoms due to the presence of algae and fungi are often visually observed on the surfaces, but their effects also have a negative impact on the internal structure.In practical terms, a solution to identification of these symptom are required which needs to develop methods of monitoring the state of the surface over time and removing them.Diagnostic methods will be presented to check the technical state condition of construction parts as support in identification bio-corrosion symptoms.
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