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Abstract

In order to get the accurate settling velocity of cohesive sediments, experiments on site are required. However, in the reality, this task is very difficult to be realized. The study presents a method including three step to determine the settling velocity of the sediment in laboratory conditions. Firstly, design and build up an experiment on settling column based on the design of The Environmental Laboratory, U.S Army Corps of Engineers. Secondly, do the experiments with different cases such as in standards, with salinities, in high concentration, etc. to determine the settling velocity of sand and silt. Thirdly, determine the settling velocity of cohesive sediment in Nang Hai area, Can Gio (Ho Chi Minh City) in the laboratory. In addition, using the result to determine the characteristic coefficients a, b, m, n, and to establish the empirical formula for the settling velocity in the research area.



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Article Details

Issue: Vol 18 No 3 (2015)
Page No.: 19-28
Published: Aug 30, 2015
Section: Natural Sciences - Research article
DOI: https://doi.org/10.32508/stdj.v18i3.815

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Creative Commons License

Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Nguyen, T., & Vo, P. (2015). Experiments on settling column to determine the settling velocity of cohesive sediments. Science and Technology Development Journal, 18(3), 19-28. https://doi.org/https://doi.org/10.32508/stdj.v18i3.815

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