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Leonardo De Bona Becker, Maria do Carmo Reis Cavalcanti and Alfredo Affonso Monteiro Marques
Tailings dam accidents emphasize the importance of an adequate understanding of the strength parameters of tailings to improve the efficiency and effectiveness of the design, construction, and operation of such structures. Usually, the tailings strength ...
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W. Charles Kerfoot, Gary Swain, Luis M. Verissimo, Erin Johnston, Carol A. MacLennan, Daniel Schneider and Noel R. Urban
Over a century ago, copper mills on the Keweenaw Peninsula of Lake Superior sluiced 64 million metric tonnes (MMT) of tailings into coastal waters, creating a metal-rich ?halo?. Here we show that relatively small discharges can spread widely in time and ...
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Xiaofei Jing, Changshu Pan, Yulong Chen, Xiangfu Li, Wensong Wang and Xu Hu
Glass fiber is a kind of polymer, which can effectively improve the mechanical properties of sand. However, the improvement effect of glass fibers with a reticular structure is different from that of ordinary fibers. At the same time, the sandy soil stru...
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Glauber Miranda de Carvalho,Hélio Marcos Fernandes Viana,Rubem Xerxes Trindade Rodrigues,João Paulo Freire Rocha,Gilson Rodrigues Junior
Pág. 99 - 116
O presente trabalho avaliou o comportamento do CBR, na energia intermediária de Proctor, quando são adicionadas porcentagens de 30%, 50% e 75% de brita 1, em massa, ao rejeito de manganês que foi coletado na região do município de Licínio de Almeida. O o...
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Tahira Kootbodien, Samantha Iyaloo, Kerry Wilson, Nisha Naicker, Spo Kgalamono, Tanya Haman, Angela Mathee and David Rees
Background: Occupational crystalline silica dust exposure is associated with an elevated risk of pulmonary tuberculosis (PTB). However, there is less evidence for an association with environmental silica dust exposure. Methods: A cross-sectional study of...
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Xingang Wang, Hongbin Zhan, Jiading Wang and Ping Li
Instability of tailings dams may result in loss of life and property and serious environmental pollution. The position of the tailings dam?s phreatic line varies due to continuously changing factors such as rainfall infiltration and discharge of tailings...
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Zi-qi Cai, Xiang-yang Li, Bo Lei, Jing-fan Yuan, Chang-shou Hong and Hong Wang
It is the fact that there are lots of hazard incidents in underground uranium mines caused by radon but in-suit uranium samples were difficult to collect. Based on closed chamber method, three similar samples in different sealed ways were made in a labor...
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Gabriel Villavicencio Arancibia, Pierre Breul, Claude Bacconnet, Andy Fourie, Raúl Espinace
Pág. 9 - 18
In Chile, sand tailings dams represent the most common deposits of mining residues. These structures present a potential risk in terms of mechanical instability due to their potential susceptibility to seismic liquefaction. In order to manage these risks...
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