Publication details

Charles Bridge biocorrosion

Authors

GREGEROVÁ Miroslava WASSEBAUER Richard

Year of publication 2002
Type Article in Proceedings
Conference "Kontra 2002"
MU Faculty or unit

Faculty of Science

Citation
Field Biochemistry
Keywords Biocorrosion; sandstone; CharlesBridge; microorganisms
Description The bridge arches and piers of Charles Bridge are settled with a colony of soil bacteria which have corrosive effects on its structure. Chemoautotrophic nitrifying bacteria utilize the residues of halites (carbamide)which migrate in the bridge, due to the damaged damp-proofing of the roadway and produce nitrogen salts. Chemoorganotrophic bacteria utilize the traces of organic substrates and produce a number of organic acids (formic, acetic, propionic, citric, oxalic and other). The activity of microorganisms so enables the origination of primary and secondary salts which affect physical properties of sandstones in Charles Bridge unfavourably.
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