NDLI: Effects of smectite, salinity and water content on sedimentation and self-weight consolidation of thoroughly disturbed soft marine clay

Content Provider	Springer Nature Link
Author	Kondo, Fumiyoshi Torrance, J. Kenneth
Copyright Year	2005
Abstract	Addition of a high-swelling smectite to low-activity-mineral-dominated Leda clay influenced the settling mode, settling/consolidation rates and the final sediment water contents attained when suspensions ranging in water content from 500 to 6000% were allowed to settle under salinity conditions ranging from 30 to 0.5 g/l, and to undergo self-weight consolidation for 14 days. The presence of high-swelling smectite extended the salinity and water content ranges over which consolidation settling and zone settling occurred and the final water content for any initial-water-content/salinity condition increased as the amount of high-swelling smectite increased. The settling and consolidation rate patterns change with time in a manner that is dependent on all of settling mode, water content and salinity. At high-swelling smectite content <5%, the lowest sediment water content is attained under brackish (8–2 g/l salinity) conditions with initial suspension water contents below 1000%. For contents >10%, the lowest sediment water content is attained at high salinity and the lowest possible initial suspension water content.
Starting Page	155
Ending Page	164
Page Count	10
File Format	PDF
ISSN	16112490
Journal	Paddy and Water Environment
Volume Number	3
Issue Number	3
e-ISSN	16112504
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-08-25
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Low-activity clay High-swelling smectite Sedimentation mode Settling rate Consolidation rate Final water content Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Soil Science & Conservation Ecotoxicology Geoecology/Natural Processes Hydrogeology Agriculture
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology Agronomy and Crop Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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