The influence of micro algae on corrosion of steel in fly ash geopolymer concrete: a preliminary study

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dc.contributor.authorOlivia, Monita
dc.contributor.authorMoheimani, Navid
dc.contributor.authorJavaherdashti, Reza
dc.contributor.authorNikraz, Hamid
dc.contributor.authorBorowitzka, Michael
dc.date.accessioned2013-06-04T03:54:56Z
dc.date.available2013-06-04T03:54:56Z
dc.date.issued2013-06-04
dc.description.abstractChloride is not the only main cause of corrosion of reinforced concrete structures in seawater environment. Microorganisms, such as bacteria and microalgae, in the seawater can induce microbiologically influenced corrosion (MIC) that leads to degradation of the concrete structures by formation of biofilm on the metallic surface. In this preliminary study, the impact of microalgae on the corrosion of steel reinforced bars in fly ash geopolymer concrete was studied. Corrosion potential, algae cells number, and pH measurement were carried out for fly ash geopolymer concrete and a control mix (Ordinary Portland Cement) samples. The results indicate that the corrosion potential of fly ash geopolymer concrete was influenced by the cathodic reaction during photosynthesis activities. The geopolymer concrete in algae-inoculated medium was found to be more tolerant to algal growth than the control mix (OPC concrete). There was a positive correlation between algae cell densities and the potential reading of the geopolymeren_US
dc.identifier.otherwahyu sari yeni
dc.identifier.urihttp://repository.unri.ac.id:80/handle/123456789/3568
dc.language.isoenen_US
dc.subjectalgaeen_US
dc.subjectbiofilmen_US
dc.subjectcorrosionen_US
dc.subjectgeopolymeren_US
dc.subjectpHen_US
dc.titleThe influence of micro algae on corrosion of steel in fly ash geopolymer concrete: a preliminary studyen_US
dc.typeOtheren_US

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