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A Experimental Study on Behavioral Characteristics and Loss Ratio of Sediment for Reclaimed Revetment
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 Title & Authors
A Experimental Study on Behavioral Characteristics and Loss Ratio of Sediment for Reclaimed Revetment
Kim, Dong Hyun; Cho, Jae Nam; Kim, Kyu-Sun; Lee, Seung Oh;
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Recently, several construction projects have been built to create residential area, industrial complex and agricultural land on reclaimed on- and offshore regions. Estimating the quantity of filling materials during reclamation is the most curcial factor of the total construction cost of reclamation project. However, the estimation of loss ratio, defined as the ratio of loss amount to overall dumped amount, mostly depends on the empirical methods and formulae based on the material characteristics due to the lack of sufficient literature about the loss ratio according to hydraulic conditions. In this studies the loss ratio of materials considering flow conditions and material characteristics were examined through hydraulic experiments. A series of hydraulic experiments was conducted using five different hydraulic conditions and two types of materials such as sand and anthracite in a horizontal rectangular flume (), in which a round type revetment was installed. It is found that the loss ratio generally tends to increase with increasing the particle Froude number regardless of the types of materials. Also, when the flow velocity(u) becomes higher than the critical flow velocity (), the loss ratios of sand and anthracite are dramtically increased up to 7.4% and 24.4%, respectively. As a future work, more specific mean velocities will be considered to figure out the loss ratio and more accurate estimation of amount of filling materials will be possible to present with confidence.
Revetment;Landfill;Dumping sand;Experimental study;Ratio of loss;
 Cited by
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