An integrated experimental study was conducted to investigate the use of a biological approach in soil stabilisation and the effect of atmospheric conditions on the growth of polysaccharide production was investigated. The effects of nutrient concentration, temperature and time on the growth of polysaccharide production were also examined. Three soil parameters of major importance, namely permeability, erodibility and shear strength, were tested to evaluate the use of the biological approach in soil stabilisation. Significant enhancement of soil stability was achieved by using the biological approach as a method for improving soil stability. Test results indicated that the growth of polysaccharide production increased as the temperature, nutrient concentration and time increased. The increase of polysaccharide production within the soil matrix was associated with significant increasing of the shear strength, reducing the coefficient of permeability and greatly increasing the resistance to soil erosion.
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August 2010
Research Article|
August 01 2010
Use of biological approach for ground improvement
A. Ahmed, PhD;
A. Ahmed, PhD
Researcher
Department of Civil Engineering, Gunma University, Gunma, Japan and Lecturer, Civil Engineering Department, Beni-Suef University, Beni-Suef, Egypt
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I. Hussain, BSc
I. Hussain, BSc
Shaheen and Peaker Ltd Co.
Toronto, Ontario, Canada
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Publisher: Emerald Publishing
Revision Received:
October 23 2009
Accepted:
January 20 2010
Online ISSN: 1755-0769
Print ISSN: 1755-0750
© 2010 Thomas Telford Ltd
2010
Proceedings of the Institution of Civil Engineers - Ground Improvement (2010) 163 (3): 135–140.
Article history
Revision Received:
October 23 2009
Accepted:
January 20 2010
Citation
Ahmed A, Hussain I (2010), "Use of biological approach for ground improvement". Proceedings of the Institution of Civil Engineers - Ground Improvement, Vol. 163 No. 3 pp. 135–140, doi: https://doi.org/10.1680/grim.2010.163.3.135
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