Search Results - "Sousa, João Paulo Silva"

Behaviour of Compacted Filtered Iron Ore Tailings–Portland Cement Blends: New Brazilian Trend for Tailings Disposal by Stacking by Consoli, Nilo Cesar, Vogt, Jordanna Chamon, Silva, João Paulo Sousa, Chaves, Helder Mansur, Scheuermann Filho, Hugo Carlos, Moreira, Eclesielter Batista, Lotero, Andres

“…Failures of tailings dams, primarily due to liquefaction, have occurred in Brazil in recent years. These events have prompted the Brazilian government to place…”
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On the mechanics of filtered compacted consolidated and overconsolidated iron ore tailings at high pressures by Silva, João Paulo de Sousa, Carvalho, João Vítor de Azambuja, Wagner, Alexia Cindy, Cacciari, Pedro Pazzoto, Consoli, Nilo Cesar

“…The mechanics of filtered compacted normally consolidated (NC) and overconsolidated (OC) iron ore tailings (IOTs) was studied by performing triaxial testing at…”
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The effect of key parameters on the mechanical response of artificially cemented iron ore tailings for dry stacking purposes by Consoli, Nilo Cesar, Delgado, Bruno Guimarães, Silva, João Paulo Sousa, Scheuermann Filho, Hugo Carlos

“…Regulations prohibiting the construction of new tailings dams using the upstream method and requiring the closure of the existing ones have been recently…”
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The Behaviour of Hydraulically Disposed Silty Iron Ore Tailings Under Static and Cyclic Loading by Medina, Guilherme Schmidt, Farenzena, Helena Portela, Bruschi, Giovani Jordi, Rodrigues, Bráulio de Araújo, Silva, João Paulo de Sousa, Festugato, Lucas, Consoli, Nilo Cesar

“…Dry stacking emerges as a prominent disposition method in the Brazilian mining industry, where filtered mine tailings compact onto hydraulically disposed…”
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Mechanical Behaviour of Fibre-Reinforced Cemented Iron Ore Tailings Across the Compaction Curve by Guedes, João Pedro Camelo, Silvani, Carina, Carvalho, João Vítor de Azambuja, Wagner, Alexia Cindy, Silva, João Paulo de Sousa, Consoli, Nilo Cesar

“…Tailings disposal is a major concern of the mining industry worldwide. After the recent upstream dam failures, the main tailings disposal method studied in…”
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Effect of Cement Type on Compacted Iron Ore Tailings-Binder Response Blends: Comparative Study by Consoli, Nilo Cesar, Lotero, Andres, Scheuermann Filho, Hugo Carlos, Khajeh, Aghileh, Daassi-Gli, Cocou Pierre Auxence, Vogt, Jordanna Chamon, Silva, João Paulo de Sousa

“…AbstractLately, dry stacking of filtered tailings has emerged as a safer alternative to traditional slurry disposal in ponds as it comprehends the compaction…”
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Mechanical response of filtered and compacted iron ore tailings with different cementing agents: Focus on tailings-binder mixtures disposal by stacking by Servi, Saymon, Lotero, Andres, Silva, João Paulo Sousa, Bastos, Cezar, Consoli, Nilo Cesar

“…•Key parameters for the dosage of mixtures of compacted filtered IOT–RHA–CL based AAC for dry stacking.•Mechanical performance linked to η/Biv and curing…”
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Influence of initial compaction and confining pressure on the hydraulic conductivity of compacted iron ore tailings by dos Santos, Roberto Aguiar, Delgado, Bruno Guimarães, Rissoli, Ana Luisa Cezar, Silva, João Paulo de Sousa, Dal Toé Casagrande, Michéle

“…The hydraulic conductivity of iron tailings is an important factor affecting the stability of tailings storage facilities. Stacking compacted filtered ore…”
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Potential use of iron ore tailings for binder production: A life cycle assessment by Saldanha, Rodrigo Beck, Caicedo, Andres Mauricio Lotero, de Araújo, Mariana Tonini, Scheuermann Filho, Hugo Carlos, Moncaleano, Cindy Johanna, Silva, João Paulo Sousa, Consoli, Nilo Cesar

“…•IOT used for alternative production of sodium silicate reduces environmental impacts.•Overburden used for metakaolin production reduces environmental…”
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Triaxial testing response of compacted iron ore tailings considering a broad spectrum of confining pressures by Silva, João Paulo Sousa, Rissoli, Ana Luisa Cezar, Cacciari, Pedro Pazzoto, Viana da Fonseca, António Joaquim Pereira, Scheuermann Filho, Hugo Carlos, Wagner, Alexia Cindy, Carvalho, João Vítor de Azambuja, Festugato, Lucas, Consoli, Nilo Cesar

“…The filtered tailings disposal (dry stacking) up to 300 m high is an alternative to overcome the drawbacks related to the slurry tailings storage in large…”
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Critical state analysis of two compacted filtered iron ore tailings with different gradings and mineralogy at different stages of treatment by Consoli, Nilo Cesar, Silva, João Paulo Sousa, Wagner, Alexia Cindy, Carvalho, João Vítor de Azambuja, Baudet, Beatrice Anne, Coop, Matthew Richard, Scheuermann Filho, Hugo Carlos, Carvalho, Inácio, de Sousa, Gustavo Marçal, Cacciari, Pedro Pazzoto

“…Slurry tailings storage in large impoundments has been largely used worldwide for a long time, as their cost is very competitive. However, recent disasters…”
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Seed priming as a strategy to increase the performance of drumstick tree by Soares, Tássia Fernanda Santos Neri, Muniz, Evandro Neves, Sousa, João Paulo Silva, Oliveira Júnior, Luiz Fernando Ganassali de, Barbosa, Andriele Mendonça, Silva, Ana Veruska Cruz da

“…•Seed priming is a positive technique to enhance the performance of Moringa under optimal conditions.•EBL 10−8 and 10 −10 M improved speed germination of…”
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Iron ore tailings stabilization with alternative alkali-activated cement for dry stacking: mechanical and microstructural insights by Portela Farenzena, Helena, Bruschi, Giovani Jordi, Schmitt Medina, Guilherme, de Sousa Silva, João Paulo, Lotero, Andres, Consoli, Nilo Cesar

“…Upstream tailings dams are high-risk structures that have experienced several failures worldwide, particularly with iron ore tailings (IOT). In this study, new…”
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Mechanical behavior of iron ore tailings under standard compression and extension triaxial stress paths by Alexia Cindy Wagner, João Paulo de Sousa Silva, João Vítor de Azambuja Carvalho, Ana Luisa Cezar Rissoli, Pedro Pazzoto Cacciari, Helder Mansur Chaves, Hugo Carlos Scheuermann Filho, Nilo Cesar Consoli

“…The disposal of mining tailings has increasingly focused on the use of dry stacks. These structures offer more security since they use filtered and compacted…”
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Behavioural analysis of iron ore tailings through critical state soil mechanics by Silva, João Paulo, Cacciari, Pedro, Torres, Vidal, Ribeiro, Luís Fernando, Assis, André

“…Understanding the geotechnical properties of iron ore tailings is currently one of the major challenges in the mining industry. With transitions from drained…”
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Dry Stacking of Filtered Iron Ore Tailings: Comparing On-Field Performance of Two Drying Methods by Rissoli, Ana Luisa Cesar, Pereira, Géssica Soares, Mendes, Anselmo José Coelho, Scheuermann Filho, Hugo Carlos, Carvalho, João Vítor de Azambuja, Wagner, Alexia Cindy, Silva, João Paulo de Sousa, Consoli, Nilo Cesar

“…Stacking compacted filtered tailings has become an option to cope with the new Brazilian regulations while providing a safe disposal method for the tailings…”
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Conceptual and Applied Aspects of Water Retention Tests on Tailings Using Columns by Marinho, Fernando A. M., Corrêa, Yuri, Soares, Rosiane, Carvalho, Inácio Diniz, de Sousa Silva, João Paulo

“…The water retention capacity of porous materials is crucial in various geotechnical and environmental engineering applications such as slope stability…”
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Determination of critical state line (CSL) for silty-sandy iron ore tailings subjected to low-high confining pressures by Nilo Cesar Consoli, João Vítor de Azambuja Carvalho, Alexia Cindy Wagner, Hugo Carlos Scheuermann Filho, Inácio Carvalho, Pedro Pazzoto Cacciari, João Paulo de Sousa Silva

“…The disposal of filtered tailings in high dry stacks can induce particle breakage, changing the material's behaviour during the structure's lifetime. The…”
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Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings by Vasconcelos, Michelle Conceição, Costa, Joel Conceição, Sousa, João Paulo Silva, Santana, Fernanda Vieira, Soares, Tássia Fernanda Santos Neri, Oliveira Júnior, Luiz Fernando Ganassali de, Silva-Mann, Renata

“…ABSTRACT A water deficit in the soil can cause water stress in plants, triggering morphological and physiological changes. The aim of this work was evaluate…”
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Mechanical and Microstructural Response of Iron Ore Tailings under Low and High Pressures Considering a Wide Range of Molding Characteristics by Bruschi, Giovani Jordi, Santos, Carolina Pereira Dos, Filho, Hugo Carlos Scheuermann, da Silva Martinatto, Camila, Schulz, Luana Rutz, Silva, João Paulo de Sousa, Consoli, Nilo Cesar

“…The dry stacking of filtered tailings is an option to deal with safety-related issues involving traditional slurry disposition in impoundments. Filtered…”
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