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Internal erosion

Experimental study on limitation of progression of Internal Erosion in Zoned Dams. Importance of theme. Testing methodology. 1. 4. Failure modes in embankment dams. C rack F illing E rosion T est. Over- topping. Internal erosion. 46%. 48%. Setup. Laboratory device. 3.

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Internal erosion

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  1. Experimental study on limitation of progression of Internal Erosion in Zoned Dams Importance of theme Testing methodology 1 4 . Failure modes in embankment dams Crack Filling Erosion Test Over- topping Internal erosion 46% 48% Setup . Laboratory device 3 Objective of study 2 Crack Filling → Example Influence of the upstream zone in limiting the progression of erosion Developed test cell CFET Ricardo Santos PhD student ricardos@lnec.pt Geotechnical department Upstream material Downstream filter Steps for specimen preparation in the CFET Flow Limiting FLET Allows for twoErosion Tests Results /Conclusion 5 Typical results CFET 4 0 + 5 min + 45 min

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