Chapter
Apr 26, 2012
Sustainable Use of Lignocellulosic Biorefineries Co-Products in Geotechnical Bulk Applications: Comparative Analysis of Lab Data
Authors: Kasthurirangan Gopalakrishnan [email protected], Halil Ceylan [email protected], and Sunghwan Kim [email protected]Author Affiliations
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
This paper discusses the effect of two co-products from lignocellulosic biorefineries on a typical Iowa subgrade soil in terms of laboratory measured strength and compaction properties. Emphasis is given to detailed data analysis of laboratory test results in comparing treated soils with untreated soils under different moisture conditions and additive concentrations. Results reveal that the bio-energy co-product (BCP) additives investigated in this study are promising materials to improve strength property of the typical Iowa soil classified to CL or A-6(8) for geotechnical applications. Especially, the co-product A containing higher lignin content is a more effective additive to reduce plastic property and optimum moisture content of soil.
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© 2011 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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ASCE Technical Topics:
- Business management
- Comparative studies
- Data analysis
- Engineering fundamentals
- Geomechanics
- Geotechnical engineering
- Geotechnical investigation
- Laboratory tests
- Methodology (by type)
- Practice and Profession
- Research methods (by type)
- Soil analysis
- Soil mechanics
- Soil properties
- Soil water
- Sustainable development
- Tests (by type)
Authors
Affiliations
A.M.ASCE
Research Assistant Professor, Department of Civil, Construction and Environmental Engineering (CCEE), Iowa State University, Ames, IA 50011-3232.E-mail: [email protected]
A.M.ASCE
Assistant Professor, Department of CCEE, Iowa State University, Ames, IA 5011-3232.E-mail: [email protected]
A.M.ASCE
Postdoctoral Research Associate, Department of CCEE, Iowa State University, Ames, IA 50011-3232.E-mail: [email protected]
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