Journal on Today's Ideas - Tomorrow's Technologies is an Official Publication of Chitkara University.
ISSN No. Print : 2321-3906 ISSN No. Online : 2321-7146
Registration No. : CHAENG/2013/51235
Periodicity : Bi-Annually
Print. : 2013 Present Online : 2013 Present
Website : www.jotitt.chitkara.edu.in
Volume 8, Number 2 Dec-2020 View Issue HIGHLIGHTED ARTICLE Open Access Effect of Bacteria Inoculums on Compressive Strength Pooja Bandekar, Sandhay Basavaraj, Prakash Mallappa Munnoli, Jyoti Gupta, Geeta Shetteppanavar and Sudisha Jogayya Abstract
The use of bio-concrete is increasing in the present day context and researchers are working on strength and durability characteristics of concrete using bacteria species which have shown calcite precipitation. Three different species of bacteria namely P. Fluorescence, B. Pumilis and B. Subliis that have calcite precipitation properties have been investigated in this study. The investigations were carried first on cement mortar (CM) cubes using these three bacteria species suspension of 20%; 40% and 60% having colony forming units P. Fluorescence (108 CFU/ml), B. Pumilis (106 CFU/ml) and B. Subtilis (108 CFU/ml) respectively. The 40% suspension in all the three cases has shown increased compressive strength as compared to 20% and 60%. The compressive strength measured showed increase (CS) of 18%; 12% for P. Fluorescence; B. Subtilis and decrease of 35% with B. Pumilis respectively. B. Subtilis with optimized 40% suspension having CFU 10x108/ml showed 4.32% ; 5.56%; and 3.81% increase in CS of CC cubes with 3 days; 7 days and 28 days respectively and 5.92% overall increase in CS of CC cubes as compared to the 3 days CS of control cube.
In this Issue Open Access Antenna Design and Fabrication with Circular Microstrip Patch: A Review M. S. Kasbe, T. H. Mujawar, B. Gabane and R.V. Shinde DOI: https://doi.org/10.15415/jotitt.2020.82009 Open Access A Migration to Online Teaching-Learning in School Education during COVID-19 Malik Mubasher Hassan and Tabasum Mirza DOI: https://doi.org/10.15415/jotitt.2020.82010 Open Access An Investigation on the Influence of Modeling Approach and Load Pattern on Seismic Performance of RC Structures C. M. Ravikumar, L. K. Ashwini and M. Keshavamurthy DOI: https://doi.org/10.15415/jotitt.2020.82011
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