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부진국 ( Boo Jin-gook ),박상영 ( Park Sang-young ),조성갑 ( Cho Seong-gab ),변재정 ( Byun Jae-jeong ),윤성은 ( Yoon Sung-eun ) 한국농공학회 2006 한국농공학회 학술대회초록집 Vol.2006 No.-
The Saemangeum project is unique in the world. The tidal range together with the huge strorage area cause very large current velocities in final closure gap up to 7m/s. on both sides of the closure gaps enormous scour holes up to 20m exist. For a good prediction of the stability of dike and the development of the erosion gap, knowing the correct stream pattern is very important. Details of the flow such mean and peak velocities, flow direction, eddis, etc. must be known in the closure gaps. At this moment there are may not be sufficient insight in these flow details. The hydraulic scale model, the mathematical models and flow measurements, which are now being used, do not give much detail on these. The measurements of stream flow were successfully executed by means of an ADCP with a boat that drifts along a flow in the closure gap. ADCP measurements can be done up to flow velocities of 20m/s and a depth of about 70m. The presentation of results are very helpful to analyze stream pattern and create design rules for effective future closures. Anyway, The success of final closure of Saemanguem Sea Dike is an enormous achievement.
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