Depositional geochemistry and geotechnical properties of marine clays in the Ariake Bay area, Japan

M. Ohtsubo, Takahiro Higashi, M. Kanayama, M. Takayama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Abstract

The present paper provides integrated information on the geological setting, the mineralogy, the depositional and post-depositional geochemistry, and the overall geotechnical properties for Ariake Bay sediment based on the data of the borehole samples collected from different sites in Ariake Bay area. The variation of the geotechnical properties of the sediment, including consistency limits, shear strength, sensitivity and compressibility, can be explained in terms of clay mineral composition, pore water chemistry, and chemical changes of soil materials due to weathering. There exist differences in the geotechnical properties between salt-leached and non-salt-leached clay sediment. The low swelling nature of the smectite which is the principle clay mineral of the sediment contributes to the formation of quick clay in salt-leached sediment.

Original languageEnglish
Title of host publicationCharacterisation and Engineering Properties of Natural Soils
Pages1893-1937
Number of pages45
Publication statusPublished - Dec 1 2007
Event1st International Workshop on Characterisation and Engineering Properties of Natural Soils - Singapore, Singapore
Duration: Dec 2 2002Dec 4 2002

Publication series

NameCharacterisation and Engineering Properties of Natural Soils
Volume3-4

Other

Other1st International Workshop on Characterisation and Engineering Properties of Natural Soils
CountrySingapore
CitySingapore
Period12/2/0212/4/02

Fingerprint

Geochemistry
geotechnical property
Sediments
Clay
geochemistry
clay
sediment
Clay minerals
clay mineral
Salts
salt
Mineralogy
Weathering
Boreholes
compressibility
Compressibility
water chemistry
Shear strength
smectite
swelling

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology

Cite this

Ohtsubo, M., Higashi, T., Kanayama, M., & Takayama, M. (2007). Depositional geochemistry and geotechnical properties of marine clays in the Ariake Bay area, Japan. In Characterisation and Engineering Properties of Natural Soils (pp. 1893-1937). (Characterisation and Engineering Properties of Natural Soils; Vol. 3-4).

Depositional geochemistry and geotechnical properties of marine clays in the Ariake Bay area, Japan. / Ohtsubo, M.; Higashi, Takahiro; Kanayama, M.; Takayama, M.

Characterisation and Engineering Properties of Natural Soils. 2007. p. 1893-1937 (Characterisation and Engineering Properties of Natural Soils; Vol. 3-4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ohtsubo, M, Higashi, T, Kanayama, M & Takayama, M 2007, Depositional geochemistry and geotechnical properties of marine clays in the Ariake Bay area, Japan. in Characterisation and Engineering Properties of Natural Soils. Characterisation and Engineering Properties of Natural Soils, vol. 3-4, pp. 1893-1937, 1st International Workshop on Characterisation and Engineering Properties of Natural Soils, Singapore, Singapore, 12/2/02.
Ohtsubo M, Higashi T, Kanayama M, Takayama M. Depositional geochemistry and geotechnical properties of marine clays in the Ariake Bay area, Japan. In Characterisation and Engineering Properties of Natural Soils. 2007. p. 1893-1937. (Characterisation and Engineering Properties of Natural Soils).
Ohtsubo, M. ; Higashi, Takahiro ; Kanayama, M. ; Takayama, M. / Depositional geochemistry and geotechnical properties of marine clays in the Ariake Bay area, Japan. Characterisation and Engineering Properties of Natural Soils. 2007. pp. 1893-1937 (Characterisation and Engineering Properties of Natural Soils).
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