Chapter
Apr 26, 2012
Column Expansion Testing of Chromium Tailings Subgrade Fills
Authors: Charles W. Schwartz [email protected], Ann G. Wylie [email protected], Allen P. Davis [email protected], and Bruce R. James [email protected]Author Affiliations
Publication: Contemporary Topics in Ground Modification, Problem Soils, and Geo-Support
Abstract
Chromium ore tailings used as fill material beneath pavements can expand significantly under specific site conditions. However, it has been difficult in the past to simulate this behavior reliably in the laboratory. Column expansion tests in an enriched carbon dioxide environment are found to reproduce expansion and induration of the chromium tailings material similar to that observed in the field. Results demonstrate that expansion pressure and degree of induration as quantified by unconfined compressive strength vary significantly with groundwater pH.
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Information
Published In
Contemporary Topics in Ground Modification, Problem Soils, and Geo-Support
Pages: 542 - 549
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Chemical compounds
- Chemical elements
- Chemicals
- Chemistry
- Chromium
- Compressive strength
- Construction materials
- Earth materials
- Engineering fundamentals
- Engineering materials (by type)
- Environmental engineering
- Fills
- Geomaterials
- Geotechnical engineering
- Gravels
- Infrastructure
- Material mechanics
- Material properties
- Material tests
- Materials engineering
- Mine wastes
- Pavement condition
- Pavements
- Pollutants
- Strength of materials
- Subgrades
- Tests (by type)
- Transportation engineering
- Wastes
Authors
Affiliations
Associate Professor, Dept. of Civil and Environmental Engineering, University of Maryland, 0147C Martin Hall, College Park, MD 20742. E-mail: [email protected]
Professor, Department of Geology, University of Maryland, 1100 Main Administration Building, College Park, MD 20742. E-mail: [email protected]
Professor, Dept. of Civil and Environmental Engineering, University of Maryland, 1151 Martin Hall, College Park, MD 20742. E-mail: [email protected]
Professor, Dept. of Environmental Science and Technology and Director, Environmental Science and Program, University of Maryland, 0220 Symons Hall, College Park, MD 20742. E-mail: [email protected]
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