Hydraulic Conductivity of Kaolin Permeated with Salt Solution
Publication: Advances in Unsaturated Soil, Geo-Hazard, and Geo-Environmental Engineering
Abstract
In expressway engineering, the environmental impacts of the drainage and leachate collected from the road surface or road bank have attracted public attentions about their potential risks on human health. The maintenance of the expressway always requires considerable amount of chemicals, e.g. CaCl2. Thus there is need to design pools along the expressway to collect and treat the road drainages. Due to the low hydraulic conductivity, compacted clay liners are primarily used in waste disposal facilities. It is still lack of complete knowledge about compacted clay liners. In this study, the effect of salt solutions on the hydraulic conductivity of compacted Kaolin column was experimentally investigated by laboratory tests. The changes in electrical conductivity and pH values of the leachates were also monitored. The results might be helpful to the engineering designers in this field.
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Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Business management
- Chemical compounds
- Chemicals
- Chemistry
- Clay liners
- Clays
- Compacted soils
- Engineering fundamentals
- Environmental engineering
- Geomaterials
- Geomechanics
- Geotechnical engineering
- Highway and road management
- Highway transportation
- Highways and roads
- Hydraulic conductivity
- Infrastructure
- Kaolin
- Laboratory tests
- Practice and Profession
- Public administration
- Public health and safety
- Salts
- Soil mechanics
- Soil properties
- Soils (by type)
- Tests (by type)
- Transportation engineering
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