| A Variation of Settling Velocities of Kaolinite Cohesive Sediments due to the Existence of Salinity |
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Dong-Ho Kim, Sung-Woo Hong, Kyu-Nam Hwang |
| 염도 존재 유무에 따른 고령토 점착성 퇴적물의 침강속도 변화 |
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김동호, 홍성우, 황규남 |
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| Abstract |
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In this study, a series of settling tests have been conducted on either salt or tap water conditions using a settling column, in order to estimate settling properties of kaolinite sediments and analyze the salinity effects on the sediment settling. Results from settling tests show that the settling velocities of kaolinite on salt water in a flocculated settling region are approximately two times higher than those in tap water, while in a hindered settling region their velocities show the directly opposite trends. These characteristic features are found to be due to the effects of particle aggregation by salinity. |
| Key Words:
Cohesive sediments; Kaolinite; Settling velocity; Salinity |
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