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Predicting Swelling Behavior of a Na+-Bentonite Used in GCLs
Abstract The swelling behavior of a Na+-bentonite used in geosynthetic clay liners with lower dry unit weights (less than about 11 kN/m3) was investigated experimentally, and analyzed by diffuse double layer (DDL) theory. Four types of liquid were used. It has been found that the measured swelling pressures are about 20% of that predicted by DDL theory. There are linear relationships between the calculated double layer thickness and the measured corresponding free swelling index and liquid limit.
Predicting Swelling Behavior of a Na+-Bentonite Used in GCLs
Abstract The swelling behavior of a Na+-bentonite used in geosynthetic clay liners with lower dry unit weights (less than about 11 kN/m3) was investigated experimentally, and analyzed by diffuse double layer (DDL) theory. Four types of liquid were used. It has been found that the measured swelling pressures are about 20% of that predicted by DDL theory. There are linear relationships between the calculated double layer thickness and the measured corresponding free swelling index and liquid limit.
Predicting Swelling Behavior of a Na+-Bentonite Used in GCLs
Chai, Jin-Chun (author) / Shen, Shui-Long (author)
2018-01-25
6 pages
Article (Journal)
Electronic Resource
English
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