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dc.contributor.authorAchal, V.
dc.contributor.authorMukherjee, Abhijit
dc.contributor.authorReddy, M.
dc.date.accessioned2017-01-30T13:57:12Z
dc.date.available2017-01-30T13:57:12Z
dc.date.created2014-04-15T20:01:03Z
dc.date.issued2011
dc.identifier.citationAchal, Varenyam and Mukherjee, Abhijit and Reddy, M. Sudhakara. 2011. Microbial concrete: Way to enhance the durability of building structures. Journal of Materials in Civil Engineering. 23 (6): pp. 730-734.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/36707
dc.identifier.doi10.1061/(ASCE)MT.1943-5533.0000159
dc.description.abstract

Natural processes, such as weathering, faults, land subsidence, earthquakes, and human activities, create fractures and fissures in concrete structures that can reduce the service life of the structures. A novel strategy to restore or remediate such structures is biomineralization of calcium carbonate using microbes, such as those in the genus of the Bacillus species. The present study investigated the effects of Bacillus sp. CT-5, isolated from cement, on compressive strength and water-absorption tests. The results showed a 36% increase in compressive strength of cement mortar with the addition of bacterial cells. Treated cubes absorbed six times less water than control cubes as a result of microbial calcite deposition. The current work demonstrated that production of "microbial concrete" by Bacillus sp. on constructed facilities could enhance the durability of building materials.

dc.publisherAmerican Society of Civil Engineers (ASCE)
dc.subjectCalcium carbonate
dc.subjectWater absorption
dc.subjectBacillus
dc.subjectConcrete
dc.subjectBiomineralization
dc.subjectCompressive strength
dc.titleMicrobial concrete: Way to enhance the durability of building structures
dc.typeJournal Article
dcterms.source.volume23
dcterms.source.number6
dcterms.source.startPage730
dcterms.source.endPage734
dcterms.source.issn08991561
dcterms.source.titleJournal of Materials in Civil Engineering
curtin.department
curtin.accessStatusFulltext not available


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