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Three case histories of large dams built in North Patagonia which experienced unforeseen problems during construction, or after several years of operation are described. The necessary remedial and corrective works involved the development of important programs, being economic and programmatic impacts of great magnitude. The lessons learned from these ex...

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During routine inspection works in 2006 inspectors found resurgences of water at the toe of a small embankment dam named ″Ribeirão do Gama″, located at Brasí­lia – DF. After technical visits, geotechnical engineers characterized these groundwater leakages as a piping process at an early stage. ...

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