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Although sloping hydraulic jumps are frequent in energy dissipators, there are few studies regarding this type of phenomenon. Since the jump is accompanied by violent impacts and sudden variations of velocity and pressure, it is important... more
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    • Geology
This paper presents the development of a reduced hydraulic model (RHM) for the outflow operating system at the Forquilha IV (scale 1:10) tailings dam, owned by Vale S.A. The studies were performed by Centro de Pesquisas Hidráulicas e... more
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    • Engineering
This study aims to present a methodology for the design of a surface drainage system for dry docks in shipyards, taking into account the rainfall intensity at the site, the damping capacity of the hydraulic structures (drainage channels)... more
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    • Engineering
RESUMO Diferentes sistemas hidráulicos instalados em barramentos têm sido utilizados como Mecanismos de Transposição de Peixes (MTP’s) e se constituem em uma alternativa para o movimento migratório de peixes para reprodução (“piracema”).... more
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Dentre as muitas obras de engenharia civil, especificamente para a geotecnia, o conhecimento do  comportamento erosivo dos solos é muito importante para o bom desempenho das obras de infraestrutura,  como, por exemplo, as obras de... more
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      Environmental ScienceGeotecnia
The Manning’s roughness coefficient is used for various hydraulic modeling. However, the decision on what value to adopt is a complex task, especially when dealing with natural water courses due to the various factors that affect this... more
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    • Geology
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A mineração é uma atividade essencial para a economia brasileira. Todo o processo de mineração gera, entretanto, rejeitos que são dispostos na grande maioria das vezes em barragens. Essa escolha é pautada em questões essencialmente... more
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    • Territorium
A ruptura da Barragem I da Mina Córrego do Feijão ocorreu no dia 25/01/2019 e trouxe ao rio Paraopeba grande quantidade de rejeitos que alteraram significativamente a concentração de sólidos totais deste curso d`água. Imediatamente após o... more
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Reservoirs built in watercourses are subject to some degree of silting. Therefore, it is important to estimate the volume of sediment accumulated, since this deposit may interfere with the functions of the reservoir. One way to do this is... more
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    • Geology
Although sloping hydraulic jumps are frequent in energy dissipators, there are few studies regarding this type of phenomenon. Since the jump is accompanied by violent impacts and sudden variations of velocity and pressure, it is important... more
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The environmental, economic, and social consequences of dam breaks are catastrophic and require their prior knowledge to minimize risks. These consequences are directly related to rupture breach parameters, such as formation time and... more
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    • Geology
Barragens tem sido consideradas como alternativas viaveis para geracao de energia, disposicao de rejeitos, dentre outros, tendo em vista criterios de reducao de custos, apesar de introduzir no sistema os riscos associados a ruptura. No... more
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    • Physics
The installation of solar parks requires extensive areas and results in soil erosion in many cases. One suitable solution is applying lime to improve soil characteristics, such as mechanical strength, stability, workability, durability,... more
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    • Environmental Science
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The study of the interaction between hydraulic structures in mobile bed river systems is complex because it involves sediment transport and dynamic changes in the boundary conditions, requiring the use of physical models. This article... more
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Among the main issues that may arise when evaluating studies of cascade dam ruptures, perhaps the most important, is to determine if the downstream dam can start into a cascade rupture, considering the hypothesis of the preliminary... more
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Estruturas hidráulicas de dissipação de energia em degraus são há muito utilizadas em obras de diferentes portes como infraestrutura urbana, drenagem rodoviária e vertedouros de usinas. Na mineração, pilhas de estéril – estruturas de... more
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