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Investigation Into The Slimes Dams

Investigation into the slimes dams University of Pretoria

Investigation into the slimes dams, mine dumps and landfills (residue slimes dam on the north of extension 11 and the pipeline from this slimes dam spread contaminated water Additionally, the MPRDA came into effect on 1 may 2004, and have the same flaw as NEMA [6].

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Investigation into the slimes dams, mine dumps and

Investigation into the slimes dams, mine dumps and landfills (residue deposits) as environmental constraints to low-cost housing projects in Gauteng, South Africa Investigation into the slimes dams, mine dumps and landfills (residue deposits) as environmental constraints to low-cost housing projects in Gauteng, South Africa Show simple item record

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Investigation into the slimes dams, mine dumps and

Investigation into the slimes dams, mine dumps and landfills (residue deposits) as environmental constraints to low-cost housing projects in Gauteng, South Africa . By T. E. Manungufala, M. Sabiti-Kalule and Ilse C. Aucamp. Abstract.

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Theoretical andengineering aspectsof slimes-damconstruction

uresoccur.) Slimes-dam construction developed inthiswayforfiftyyears, anditwasonlyin1953that amajor investigation waslaunched tostudy thewholeproblem ofthestability of slimes dams from an engineering point of view. The results of this investigation were published inde-tail in 19591and were summarized inamore practical form inatech-nicalpaper2.

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Slimes disposalatSouthAfrican goldmines SAIMM

Slimes-dam failures on shown inFigs. 1to3. asimilarly disastrous scalehave not These methods have evolved over occurred in South Africa, but tail-a period of three-quarters of a ings-dam failures of less severity century. Ascurrently operated they have, aselsewhere5, been common-are relatively cheap, absorb only a place, sothat slimes dams ofany

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Letšeng, villagers fight specialist weighs in Lesotho

Dec 23, 2020 LETŠENG Diamonds and the Patising communities must jointly conduct an investigation into the mine’s safety of its slime dams, a United States (US) consultant has said. Steven Emerman of Malach Consulting said this last month in his confirmatory affidavit filed in support of the Patising community in its case against Letšeng Diamonds.

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Lesotho: Letšeng, Villagers Fight Specialist Weighs in

LETŠENG Diamonds and the Patising communities must jointly conduct an investigation into the mine's safety of its slime dams, a United States (US) consultant has said. Steven Emerman of Malach...

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Tailings Dam an overview ScienceDirect Topics

Nov 05, 2015 Robert Duda, in Waste Management Series, 2004. V.5.7. Conclusion. The presented prediction of contaminants migration in the area of the Zelazny Most flotation tailings dam indicates that only lowering of the groundwater table level close to the dam embankments, resulting from vertical drainage by dewatering wells, may limit propagation of contaminants in groundwater around the dam.

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Technical note: Fundão Mine tailings dam failure Ground

Feb 12, 2020 3.0 Panel investigation into the dam failure. Eyewitness accounts and physical evidence confirmed that the dam collapsed in a liquefaction flowslide, initiating at the left abutment. This starting point led the panel to focus on why a liquefaction flowslide occurred, why it initiated at the left abutment and why it failed on the 5 November 2015.

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Design Of Slimes Dams In Gold Mining Pizzeria La Rustica

Investigation Into The Slimes Dams Mine Dumps And Mining is a major activity in Gauteng and as a result the province has a large number of slime dams, mine dumps, and landfills in areas earmarked for low-cost housing projects. The paper identifies and describes residue

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APPENDIX F THE FUNDÃO TAILINGS DAM INVESTIGATION

Report on the Immediate Causes of the Failure of the Fundão Dam Appendix F Consolidation of Slimes on the Left Abutment August 25, 2016 Page F-1 F1 INTRODUCTION This appendix estimates the consolidation behavior of the slimes between El. 830 m and El. 850 m on the left abutment as the dike is raised from El. 850 m to about El. 900 m.

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percolation of arsenic from slime dams Zagreb Grill

Investigation into the slimes dams UPSpace. slimes dam on the north of extension 11 and the pipeline from this slimes dam spread contaminated water over extension 11. The radon laden wastewater spread over the site. The radioactivity levels in extension 11 exceed the required level of 200mBq.g-1 [22]. 3.2 Health and safety hazards of the

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BHP Billiton reveals cause of Samarco disaster

Aug 30, 2016 As a result of various developments, soft slimes encroached into unintended areas on the left abutment of the dam and the embankment alignment was set back from its originally-planned location. As a result of this setback, slimes existed beneath the embankment and were subjected to the loading its raising imposed.

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Durham's probe into Obama's deep state slime at the FBI

Mar 11, 2021 Durham’s probe into Obama’s deep state slime at the FBI and DoJ is about to bust wide open. Mar 11, 2021. Though most of Donald Trump's supporters have written off the investigation into the origins of the FBI's phony 'Russian collusion' investigation of his 2016 campaign, special prosecutor John Durham has been continuing his probe

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Mud rushes and methods of combating them SAIMM

slimes dam failure. Fleischer and Sandy (1976) present the results of an investigation into an in-rush of tailings into the Mufulira Mine on the Zambian copperbelt in 1970. In this mud rush 89 people were killed when workings were engulfed by 450 000 m3 of slimes. The report also deals briefly with the factors that led up to the mud rush.

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Michigan GOP Calls for Investigation into Whitmer’s COVID

Michigan Gov. Gretchen Whitmer address the media after several dams breached, in downtown Midland, Mich., May 20, 2020. (Rebecca Cook/Reuters) Michigan Republicans are calling for an investigation

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Mariana dam disaster Wikipedia

The Mariana dam disaster, also known as the Bento Rodrigues or Samarco dam disaster, occurred on 5 November 2015, when the Fundão tailings dam at the Germano iron ore mine of the Samarco Mariana Mining Complex near Mariana, Minas Gerais, Brazil, suffered a catastrophic failure, resulting in flooding that devastated the downstream villages of Bento Rodrigues and Paracatu de Baixo (40 km (25 mi

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Tailings Dam an overview ScienceDirect Topics

Nov 05, 2015 Robert Duda, in Waste Management Series, 2004. V.5.7. Conclusion. The presented prediction of contaminants migration in the area of the Zelazny Most flotation tailings dam indicates that only lowering of the groundwater table level close to the dam embankments, resulting from vertical drainage by dewatering wells, may limit propagation of contaminants in groundwater around the dam.

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The official report into the Samarco Tailings Dam failure

Aug 30, 2016 The official report into the Samarco Tailings Dam failure in Brazil. Yesterday the official report into the Samarco Tailings Dam failure and associated flowslide last year in Brazil was released. Impressively, a website has been set up to provide access to the report there is a simple registration process after which the full report is freely available.

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Merriespruit, 22 February 1994 Minerals Council South Africa

Today we remember the events at Merriespruit, a suburb in the gold mining town of Virginia in South Africa’s Free State province. There, on 22 February 1994, the Merriespruit No 4 tailings dam failed after a torrential downpour and some 600,000m 3 of water and tailings poured over a distance of 4km, engulfing 80 Merriespruit homes and claiming the lives of 17 people.

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APPENDIX C THE FUNDÃO TAILINGS DAM INVESTIGATION

investigation programs were first filtered by keyword from the master spreadsheet of available Samarco reports and data sources; primarily in Portuguese. After translation into English, the coordinates and elevations of the data were confirmed. Then the field data was evaluated and tabulated.

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S MICHIGAN DEPARTMENT OF ENVIRONMENT, GREAT LAKES,

Feb 25, 2021 independent forensic investigation into the dam failures, an outside review of the state’s Dam Safety Program (DSP), and an evaluation of the remaining portion of the Edenville Dam. The report builds on a peer review of Michigan’s Dam Safety Program by the Association of State Dam Safety Officials (ASDSO)

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IMPROVEMENT IN THE STABILIY OF UPSTREAM METHOD

The upstream method dam construction was common into the 1980’s and 1990’s, however studies of world wide dam failures indicate hydraulic fills are Hydro-cycloned finer tailings slimes investigation for dam raise flow tailings beach development routed to water pool via pipeline 1.1 Starter Dam Construction A compacted earth or earth and

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Hawaii dam that overflowed was in 'unsatisfactory

Mar 09, 2021 (Reuters) A dam on the Hawaiian island of Maui that overflowed, forcing evacuations and destroying homes, was scheduled for removal this year as it was in an "unsatisfactory" condition, Hawaii's Department of Land and natural Resources said. The Kaupakalua earthen dam, dating from 1885 and 57 feet

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BHP Billiton reveals cause of Samarco disaster

Aug 30, 2016 As a result of various developments, soft slimes encroached into unintended areas on the left abutment of the dam and the embankment alignment was set back from its originally-planned location. As a result of this setback, slimes existed beneath the embankment and were subjected to the loading its raising imposed.

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(PDF) Some considerations in the stability analysis of

However, tailings dams frequently fail, resulting in the discharge of significant quantities of tailings into the natural environment, thereby causing grievous casualties and serious economic losses.

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IMPROVEMENT IN THE STABILIY OF UPSTREAM METHOD

The upstream method dam construction was common into the 1980’s and 1990’s, however studies of world wide dam failures indicate hydraulic fills are Hydro-cycloned finer tailings slimes investigation for dam raise flow tailings beach development routed to water pool via pipeline 1.1 Starter Dam Construction A compacted earth or earth and

get price

APPENDIX C THE FUNDÃO TAILINGS DAM INVESTIGATION

investigation programs were first filtered by keyword from the master spreadsheet of available Samarco reports and data sources; primarily in Portuguese. After translation into English, the coordinates and elevations of the data were confirmed. Then the field data was evaluated and tabulated.

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PRELIMINARY REPORT OMAI TAILINGS DAM FAILURE

OMAI TAILINGS DAM FAILURE. Submitted to Guyana Geology and Mines Commission by Dam Review Team. November 16, 1995. 2.0 CIRCUMSTANCES OF THE FAILURE 2.1 Internal dam configuration A simplified explanation of the internal features of the dam is necessary for a proper understanding of the discussions that follow.

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The official report into the Samarco Tailings Dam failure

Aug 30, 2016 The official report into the Samarco Tailings Dam failure in Brazil. Yesterday the official report into the Samarco Tailings Dam failure and associated flowslide last year in Brazil was released. Impressively, a website has been set up to provide access to the report there is a simple registration process after which the full report is freely available.

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Numerical investigation into the stability of earth dam

Numerical investigation into the stability of earth dam slopes considering the effects of cavities Abstract This research is an attempt to estimate the influence of the presence of cavities on the stability of slopes in earth dams under rapid drawdown conditions. The aim of the investigation

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Tailings dam Wikipedia

A tailings dam is typically an earth-fill embankment dam used to store byproducts of mining operations after separating the ore from the gangue. Tailings can be liquid, solid, or a slurry of fine particles, and are usually highly toxic and potentially radioactive.Solid tailings are often used as part of the structure itself. Tailings dams rank among the largest engineered structures on earth

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Chronology of major tailings dam failures

tonnes = metric tonnes. Sources: Tailings Dam Incidents, U.S. Committee on Large Dams USCOLD, Denver, Colorado, ISBN 1-884575-03-X, 1994, 82 pages [compilation and analysis of 185 tailings dam incidents]. Environmental and Safety Incidents concerning Tailings Dams at Mines: Results of a Survey for the years 1980-1996 by Mining Journal Research Services; a report prepared for United Nations

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Councillor calls for investigation into Waimea dam

Feb 26, 2021 Councillor Dean McNamara has called for an investigation into the integrity of the information presented to elected members around the Waimea dam

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Merriespruit, 22 February 1994 Minerals Council South Africa

Today we remember the events at Merriespruit, a suburb in the gold mining town of Virginia in South Africa’s Free State province. There, on 22 February 1994, the Merriespruit No 4 tailings dam failed after a torrential downpour and some 600,000m 3 of water and tailings poured over a distance of 4km, engulfing 80 Merriespruit homes and claiming the lives of 17 people.

get price

Legislators call for independent investigation of Midland

May 29, 2020 Legislators call for independent investigation of Midland dam disaster. joined some of his colleagues in calling on Whitmer to hire an independent investigator to look into the failed dams

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Mud rushes and methods of combating them SAIMM

slimes dam failure. Fleischer and Sandy (1976) present the results of an investigation into an in-rush of tailings into the Mufulira Mine on the Zambian copperbelt in 1970. In this mud rush 89 people were killed when workings were engulfed by 450 000 m3 of slimes. The report also deals briefly with the factors that led up to the mud rush.

get price

EGLE Edenville Dam Failure

Past Updates. EGLE sends to governor initial status report on failed dams. The Michigan Department of Environment, Great Lakes, and Energy’s initial report to Gov. Gretchen Whitmer provides an update on the ongoing failure investigation of the Edenville Dam and the response actions of EGLE and other agencies following the May 19, 2020, failures of the Edenville and Sanford Dams in Midland

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