Study on Effect of Biomineralization and Durability of Concrete

Authors

  • R.Vasanthi  Professor & Dean, Department of Civil Engineering, Vetri Vinayaha College of Engineering and Technology, Thottiyam, Tamil Nadu, India
  • Dr. R. Baskar  Associate Professor, Department of Civil & Structural Engineering, Annamalai University, Annamalai Nagar,Chidambaram, TamilNadu, India

Keywords:

Lactobacillus spp, Saccharomyces spp and Rhodopseudomonas spp, and Bacillus Subtilis, Durability, Rapid Chloride Penetration, SEM, XRD

Abstract

Concrete a greater means in changing the infrastructure of nation through its various applications such as buildings, roadways, bridges etc., fastest growth of concrete construction face parallel failures internally which needs renovation thereby. Microbial growth is one of the recent trends in reinforcing the concrete structures in engineering aspect, thereby increasing the life span. Calcite precipitation is the sealant of micro pores which increases the resistance to deformation and permeability. Several bacteria’s were used on the past researches. Combination of bacteria is the new proposal submitted in this study with Lacto Bacillus with Saccromyces and Rhodopseudomonas and the results were compared with conventional concrete and Bacillus Subtilis based microbial concrete. As a standing proof the rod immersed in bacterial solution shows no corrosion than rod immersed in normal water. Advancing on this formulated tests such as Durability Test, Rapid chloride penetration test, Water absorption test, Scanning Electron Microscopy, X-Ray Diffraction were studied. All the experiments concluded that mixture of microbes shows the better performance than individual microbe based concrete with conventional concrete.

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International Journal of Scientific Research in Science, Engineering and Technology

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Published

2017-12-31

Issue

Volume 3, Issue 8, November-December-2017

Section

Research Articles

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[1]
R.Vasanthi, Dr. R. Baskar, " Study on Effect of Biomineralization and Durability of Concrete, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 8, pp.331-341, November-December-2017.