Effect of Cement Type and Air-Entraining Agent on Microbially Induced Carbonate Precipitation in Cement Paste

Xiao Lu Yuan; Shi Hua Zhou; Wei Min Hu; Sen Yao Tan; Deng Pan

doi:10.4028/www.scientific.net/AMR.816-817.758

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 816-817Effect of Cement Type and Air-Entraining Agent on...

Effect of Cement Type and Air-Entraining Agent on Microbially Induced Carbonate Precipitation in Cement Paste

Abstract:

The effect of cement type and the air-entraining agent on microbially induced carbonate precipitation in cement paste has been studied. Results indicate that after biodeposition treatment, Sulphoaluminate cement paste behaved with a higher growth rate of compressive strength than OPC paste. Incorporation of air-entraining agent increased the growth rate of compressive strength of sulphoaluminate cement paste. Calcite was formed through microbially induced carbonate precipitation in cement pastes. Sulphoaluminate cement paste achieved a larger amount of calcite than OPC paste.

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Periodical:

Advanced Materials Research (Volumes 816-817)

Pages:

758-761

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.816-817.758

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Online since:

September 2013

Authors:

Xiao Lu Yuan, Shi Hua Zhou, Wei Min Hu, Sen Yao Tan, Deng Pan

Keywords:

Air-Entraining Agent, Carbonate Precipitation, Cement Paste, Cement Type, Microorganism

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