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Effect of ureolytic bacteria on compressive strength and water permeability on bio-concrete

Juki, Mohd Irwan and A. Faisal Alshalif, A. Faisal Alshalif and N. Othman, N. Othman and L. H. Anneza, L. H. Anneza (2015) Effect of ureolytic bacteria on compressive strength and water permeability on bio-concrete. In: The 1st International Conference on Civil, Architectural, Structural and Constructional Engineering (ICCASCE 2015), 21-23 August 2015, Dong-A University, Busan, Korea.

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Abstract

This paper presents on results of the.effect of Ureolytic bacteria on compressive strength and water permeability of bio-concrete. Ureolytic bacteria used is isolated from fresh urine. Water was partially replaced through three different percentages 1%, 3% and 5% by liquid of growth medium containing Ureolytic bacteria. Tests were conducted on the 7th, 14th and 28th days of the specimens curing. A maximum increase of compressive strength (23%) and reduction of water permeability (10.4%) is achieved by 3% Ureolytic bacteria concentration. The improvement in compressive strength and water permeability was due to the deposition on the bacteria cell surface within the pores

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Mrs. Nurhayati Ali
Date Deposited: 15 Oct 2015 06:35
Last Modified: 15 Oct 2015 06:35
URI: http://eprints.uthm.edu.my/id/eprint/7370
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