Project Detail
Miwa dam is the main test facility for sediment handling in Japan. The 4 km long reservoir has a debris collection dam, sediment check dam and a 4km sediment bypass tunnel. The past years’ various sediment discharging methods have been tested, among them SediCon Sluicer (2008) and SediCon Dredge (2010).
Implementation: SediCon supplied a full scale SediCon Sluicer system capable of discharging sediments using the available head difference. The SediCon Sluicer tested at Miwa was 30 m long 5 m thick sediments deposited above the SediCon Sluicer and were removed during the test.
Results: During the test 1.200 m3 sediments were discharged downstream of the dam by opening the outlet valve. The successful test verifies that the SediCon Sluicer is a suitable system for sediment removal.
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