A review of accidents in mining tailings dams in South America and the Brazilian scenario

Detalhes bibliográficos
Autor(a) principal: Freitas Neto, Osvaldo
Data de Publicação: 2022
Outros Autores: Araujo Leal, Felipe Carlos, Gomes, William Vieira, Silva, Phillipy Johny Lindolfo, Gonçalves, Pedro Hugo, Santos Jr., Olavo
Tipo de documento: Artigo
Idioma: por
eng
Título da fonte: Revista de Geociências do Nordeste
Texto Completo: https://periodicos.ufrn.br/revistadoregne/article/view/25727
Resumo: This article aims to analyze the accidents of mining tailings dams in South America in the 20th and 21st centuries and to evaluate the current scenario of Brazilian dams. Through a literature search, it can be seen that there are currently 769 tailings dams registered in Brazil, of which 425 are included in the National Dam Safety Policy (PNSB) and 344 are not inserted. The most used construction method is the execution in a single step, without elevations, representing 48% of the dams inserted in the PNSB and 60.2% of the dams not inserted in the PNSB. From the analysis of accidents in South America, it was observed that the country with the highest frequency of accidents was Brazil and most cases occurred in the decade of 2010. In addition, 72% of the dams that suffered accidents were built using the upstream raising method, which is in line with what is established in the technical literature, about the greater risk of instability in dams built using this method.
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spelling A review of accidents in mining tailings dams in South America and the Brazilian scenarioUna revisión de los accidentes en presas de relaves mineros en América del Sur y el escenario brasileñoUma revisão dos acidentes em barragens de rejeito de mineração da América do Sul e o cenário brasileiroThis article aims to analyze the accidents of mining tailings dams in South America in the 20th and 21st centuries and to evaluate the current scenario of Brazilian dams. Through a literature search, it can be seen that there are currently 769 tailings dams registered in Brazil, of which 425 are included in the National Dam Safety Policy (PNSB) and 344 are not inserted. The most used construction method is the execution in a single step, without elevations, representing 48% of the dams inserted in the PNSB and 60.2% of the dams not inserted in the PNSB. From the analysis of accidents in South America, it was observed that the country with the highest frequency of accidents was Brazil and most cases occurred in the decade of 2010. In addition, 72% of the dams that suffered accidents were built using the upstream raising method, which is in line with what is established in the technical literature, about the greater risk of instability in dams built using this method.Este artículo tiene como objetivo analizar los accidentes de presas de relaves mineros en América del Sur en los siglos XX y XXI y evaluar el escenario actual de las presas brasileñas. A través de una búsqueda bibliográfica, se puede ver que actualmente hay 769 presas de relaves registradas en Brasil, de las cuales 425 están incluidas en la Política Nacional de Seguridad de Presas (PNSB) y 344 no están insertadas. El método constructivo más utilizado es la ejecución en un solo paso, sin elevaciones, representando el 48% de las presas insertadas en el PNSB y el 60,2% de las presas no insertadas en el PNSB. Del análisis de los accidentes en América del Sur, se observó que el país con mayor frecuencia de accidentes fue Brasil y la mayoría de los casos ocurrieron en la década de 2010. Además, el 72% de las presas que sufrieron accidentes se construyeron con el método de levantamiento aguas arriba, en línea con lo establecido en la literatura técnica, sobre el mayor riesgo de inestabilidad en las presas construidas con este método.Este artigo tem por objetivo analisar os acidentes de barragens de rejeito de mineração na América do Sul nos séculos XX e XXI e avaliar o cenário atual das barragens brasileiras. Através de pesquisa na literatura pode-se verificar que existem atualmente 769 barragens de rejeito registradas no Brasil, sendo 425 inseridas na Política Nacional de Segurança de Barragens (PNSB) e 344 não inseridas. O método construtivo mais empregado é a execução em etapa única, sem alteamentos, representando 48,0% das barragens inseridas na PNSB e 60,2% das barragens não inseridas na PNSB. A partir da análise dos acidentes na América do Sul, observou-se que o país com maior frequência de acidentes foi o Brasil e a maior parte dos casos ocorreu na década de 2010. Além disso, 72,0% das barragens que sofreram acidentes foram construídas pelo método de alteamento à montante, o que vai de encontro ao que estabelece a literatura técnica, sobre o maior risco de instabilidade em barragens construídas através deste método.Universidade Federal do Rio Grande do Norte2022-01-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/pdfhttps://periodicos.ufrn.br/revistadoregne/article/view/2572710.21680/2447-3359.2022v8n1ID25727Revista de Geociências do Nordeste; v. 8 n. 1 (2022); 10-272447-335910.21680/2447-3359.2022v8n1reponame:Revista de Geociências do Nordesteinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNporenghttps://periodicos.ufrn.br/revistadoregne/article/view/25727/15323https://periodicos.ufrn.br/revistadoregne/article/view/25727/15324Copyright (c) 2022 Revista de Geociências do Nordesteinfo:eu-repo/semantics/openAccessFreitas Neto, OsvaldoAraujo Leal, Felipe Carlos Gomes, William VieiraSilva, Phillipy Johny Lindolfo Gonçalves, Pedro HugoSantos Jr., Olavo2022-03-23T18:17:11Zoai:periodicos.ufrn.br:article/25727Revistahttps://periodicos.ufrn.br/revistadoregne/indexPUBhttps://periodicos.ufrn.br/revistadoregne/oairegneufrn@gmail.com || periodicos@bczm.ufrn.br2447-33592447-3359opendoar:2022-03-23T18:17:11Revista de Geociências do Nordeste - Universidade Federal do Rio Grande do Norte (UFRN)false
dc.title.none.fl_str_mv A review of accidents in mining tailings dams in South America and the Brazilian scenario
Una revisión de los accidentes en presas de relaves mineros en América del Sur y el escenario brasileño
Uma revisão dos acidentes em barragens de rejeito de mineração da América do Sul e o cenário brasileiro
title A review of accidents in mining tailings dams in South America and the Brazilian scenario
spellingShingle A review of accidents in mining tailings dams in South America and the Brazilian scenario
Freitas Neto, Osvaldo
title_short A review of accidents in mining tailings dams in South America and the Brazilian scenario
title_full A review of accidents in mining tailings dams in South America and the Brazilian scenario
title_fullStr A review of accidents in mining tailings dams in South America and the Brazilian scenario
title_full_unstemmed A review of accidents in mining tailings dams in South America and the Brazilian scenario
title_sort A review of accidents in mining tailings dams in South America and the Brazilian scenario
author Freitas Neto, Osvaldo
author_facet Freitas Neto, Osvaldo
Araujo Leal, Felipe Carlos
Gomes, William Vieira
Silva, Phillipy Johny Lindolfo
Gonçalves, Pedro Hugo
Santos Jr., Olavo
author_role author
author2 Araujo Leal, Felipe Carlos
Gomes, William Vieira
Silva, Phillipy Johny Lindolfo
Gonçalves, Pedro Hugo
Santos Jr., Olavo
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Freitas Neto, Osvaldo
Araujo Leal, Felipe Carlos
Gomes, William Vieira
Silva, Phillipy Johny Lindolfo
Gonçalves, Pedro Hugo
Santos Jr., Olavo
description This article aims to analyze the accidents of mining tailings dams in South America in the 20th and 21st centuries and to evaluate the current scenario of Brazilian dams. Through a literature search, it can be seen that there are currently 769 tailings dams registered in Brazil, of which 425 are included in the National Dam Safety Policy (PNSB) and 344 are not inserted. The most used construction method is the execution in a single step, without elevations, representing 48% of the dams inserted in the PNSB and 60.2% of the dams not inserted in the PNSB. From the analysis of accidents in South America, it was observed that the country with the highest frequency of accidents was Brazil and most cases occurred in the decade of 2010. In addition, 72% of the dams that suffered accidents were built using the upstream raising method, which is in line with what is established in the technical literature, about the greater risk of instability in dams built using this method.
publishDate 2022
dc.date.none.fl_str_mv 2022-01-21
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://periodicos.ufrn.br/revistadoregne/article/view/25727
10.21680/2447-3359.2022v8n1ID25727
url https://periodicos.ufrn.br/revistadoregne/article/view/25727
identifier_str_mv 10.21680/2447-3359.2022v8n1ID25727
dc.language.iso.fl_str_mv por
eng
language por
eng
dc.relation.none.fl_str_mv https://periodicos.ufrn.br/revistadoregne/article/view/25727/15323
https://periodicos.ufrn.br/revistadoregne/article/view/25727/15324
dc.rights.driver.fl_str_mv Copyright (c) 2022 Revista de Geociências do Nordeste
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2022 Revista de Geociências do Nordeste
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Universidade Federal do Rio Grande do Norte
publisher.none.fl_str_mv Universidade Federal do Rio Grande do Norte
dc.source.none.fl_str_mv Revista de Geociências do Nordeste; v. 8 n. 1 (2022); 10-27
2447-3359
10.21680/2447-3359.2022v8n1
reponame:Revista de Geociências do Nordeste
instname:Universidade Federal do Rio Grande do Norte (UFRN)
instacron:UFRN
instname_str Universidade Federal do Rio Grande do Norte (UFRN)
instacron_str UFRN
institution UFRN
reponame_str Revista de Geociências do Nordeste
collection Revista de Geociências do Nordeste
repository.name.fl_str_mv Revista de Geociências do Nordeste - Universidade Federal do Rio Grande do Norte (UFRN)
repository.mail.fl_str_mv regneufrn@gmail.com || periodicos@bczm.ufrn.br
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