Effects of Acidic Contamination on the Geotechnical Properties of Marine Soils in Japan

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Gratchev, IB
Towhata, I
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Jin S. Chung, Simon Prinsenberg, Seok Won Hong, Shuichi Nagata

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2009
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201235 bytes

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Osaka, Japan

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Abstract

Laboratory investigation, including a series of consolidation tests, was conducted on three marine deposits in order to study the effects of acidic contamination on the geotechnical properties of soils from coastal areas in Japan. Solutions of sulfuric acid were used to leach the clays for defined time periods ranging from 3 to 6 months, thus simulating the process of long-term soil-acid interaction that occurs during municipal and industrial waste storage. The obtained results showed that acidic contamination could affect the compressibility of the clays, and the factors determining the degree of such changes were clay mineralogy, soil structure, and the duration of clay-acid interaction.

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Proceedings of the International Offshore and Polar Engineering Conference

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© 2009 ISOPE. The attached file is reproduced here in accordance with the copyright policy of the publisher. For information about this conference please refer to the conference's website or contact the authors.

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Civil geotechnical engineering

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