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The influence of internal drainage systems on the drawdown of the groundwater level and the reduction of the influence of seepage flow and its change to a more favorable configuration to the stability was studied. It was found that flow nets are an excellent tool for the design of internal drainage systems."]},{"key":"dc:title","label":"Title","values":["Contribuição ao estudo da drenagem interna de taludes em regiões tropicais"]}]}],"canonical_facts":{"dc:contributor.advisor":["Lacerda, Willy Alvarenga"],"dc:creator":["Borges, Maria Stella Nogueira"],"dc:date.accessioned":["2018-03-05T16:24:35Z"],"dc:date.available":["2026-05-16T03:05:19Z"],"dc:date.issued":["1986-05"],"dc:description.abstract":["This dissertation comprises an extensive literature review and a study of groundwater flow in some typical cases of slopes of residual and saprolitic soils in tropical regions, using a finite element program to obtain flow nets. 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