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jwaneng mine slope failure
Debswana investigations of Jwaneng mine slope failure
Months after the slope failure that claimed the life of an employee at Jwaneng mine, Debswana is still undertaking several technical investigations to enable them understand the geological make-up of the rock structure and how it could have interfaced with any other causes to result in the slope failure.
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Jwaneng mine accident: report reveals how Debswana
It has also emerged that the slope failure at Cut 6 occurred at a high risk area identified three years ago by management reports. Despite complaints from miners, “the only attempt made to stabilize the area appears to be the placing of supportive ropes in the area. This has proven to be insufficient by the current fatal slope failure.
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Jwaneng Mine suspends trio, mine continues to crumble
Meanwhile, the mine continues to collapse. Just a few weeks after the first mine collapsed, another slope failure hit Jwaneng Mine again, sparking further doubts about the safety of the mine.
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Design principles for optimizing an established survey
For example, the Cut 8 limit at Jwaneng Mine is less than 100 m from the plant infrastructure. These developments, especially the deepening of the pits, have increased the
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Mmegi Online :: Fatal accident at Jwaneng Mine
Fatal accident at Jwaneng Mine It is with deep regret that Debswana announces the passing away of its employee, Motshwari Raseiteo, who met his death when the Jwaneng Mine pit experienced a slope...
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Jwaneng mine disaster affects De Beer’s production
Oct 29, 2012 Anglo American says mine disaster at the Debswana’s Jwaneng mine was the main cause of the decline in the diamond production for the group in the third quarter ending 30 September 2012. The slope failure at the world’s largest producer of gem diamonds saw the suspension of operations so that an investigation can take place.
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Debswana improves systems to avert another Jwaneng
Dimbungu pointed out that the slope failure that occurred in Jwaneng in June 2012 is a similar failure which occurred in October 2013. He revealed that the latter was predicted ahead of time and the mine managed to ensure there were no injuries to employees, no
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Definition of Geotechnical Design Sectors in Structurally
sotropy (e.g. bedding, foliation) with the slope. At Jwaneng, a structurally-controlled stepped path fail-ure mechanism (interaction between bedding, joints, and rock bridges) is anticipated. Pre-defined design sectors and 2-dimensional design sections, however, limit the Geotechnical Engineer to “snapshots” of
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Botswana’s Scintillating Moment Gems & Gemology
The slope failure at Jwaneng in June 2012 killed an employee, and investigations into its cause shuttered the mine for several months. Debswana has since taken an even more aggressive stance on safety, promulgating a “zero harm culture” while improving its
More
Mmegi Online :: Fatal accident at Jwaneng Mine
It is with deep regret that Debswana announces the passing away of its employee, Motshwari Raseiteo, who met his death when the Jwaneng Mine pit experienced a slope failure at Cut 6 on June 29th
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The Southern African Institute of Mining and Metallurgy in
Effective use of slope monitoring radar to predict a slope failure at Jwaneng mine, Botswana F. Ramsden, N. Coli, and P. Farina, Debswana Jwaneng Mine, Botswana and IDS Ingegneria dei Sistemi S.p.A, Italy Geotechnical optimisation of Southern Ridge Cutback 3 at
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CASE STUDY: Debswana Corporate Mines
JWANENG MINE Jwaneng Mine was the first site in Botswana to acquire the Slope Stability Radar (SSR™) and the second within the De Beers group. The SSR was first installed at the Jwaneng on July 25th 2005. The implementation of the SSR enabled the mine to ensure that more of the ground and slope failures were constantly
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Slope stability challenges and solutions for mining
Figure 5: Pit wall conditions before and after implementation of dip slope mining Conclusions The dip slope mining solution proved highly effective in drastically reducing the stability challenges that were experienced in the eastern Cut 8 slopes. References Contreras, L. F., 2010. Jwaneng Mine Cut 8 Slope Geotechnical Design. SRK Report No
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Debswana Diamond Mines Mining Technology Mining News
“In 2005, Debswana recovered a third successive record amount of diamond, despite a major slope failure.” The kimberlite pipes at Jwaneng intruded shales of the Transvaal Supergroup about 250 million years ago, and are older than most kimberlites in southern Africa.
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Permanent secretaries visit Jwaneng Mine
When briefing delegates, Jwaneng Mine general manager, Mr Albert Milton said the year was generally a good one for the mine because it was doing well in terms of safety, governance, internal controls as well as mining. On the slope failure that happened last year, the general manager noted that they had put up a programme to remediate the
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De Beers’ half year production Mining & Travel
Jul 26, 2013 Progress on the remediation programme following the Jwaneng mine slope failure that occurred in June 2012 continues, with full resolution expected in the third quarter of 2013. On the other hand, sales remained steady during the first half, with total sales of $3.3 billion (30 June 2012: $3.3 billion) and rough diamond sales of $3.0 billion (30
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Tunono, A.B. and Dimbungu, L. (2010) Jwaneng Open Pit Mine
Tunono, A.B. and Dimbungu, L. (2010) Jwaneng Open Pit Mine Cut 8 South East Wall Slope Design. The Southern African Institute of Mining and Metallurgy, Johannesburg, South Africa.
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Results for The Year Ended 31 December 2012 De Beers Group
Dec 31, 2012 Following a slope failure and tragic loss of life at Debswana’s Jwaneng Mine in late June, pit operations were suspended. A comprehensive geotechnical review of the pit was undertaken in the subsequent seven week period before the pit re-opened.
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(PDF) Jwaneng Mine Waste Dumps Review & Design Optimisation
At the moment stability status of the Jwaneng Diamond Mine waste dumps is not known and less to no work has been done to assess their level of safety in recent years.
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Rocscience International Conference 2021: Abstracts
Permanent Slope Displacements RICAB7 Antonio Serpa Freire 3D Slope Stability Analysis of a Filtered Iron Ore Tailings Dry Stacking RICAB8 Boikago Mosimanewapula Tunnelling in Challenging Environments Jwaneng Mine RICAB9 Brigid Cami Considering Multiple Failure Modes: A Comparison of Multi-Modal Optimization and
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De Beers shows improved production and Mining News
Jul 26, 2013 De Beers’ half-year production increased by nearly one million carats to 14.3 Mct (30 June 2012: 13.4 Mct) owing to improved ore grades at Orapa and Jwaneng Mines. Progress on the remediation programme following the Jwaneng mine slope failure that occurred in June 2012 continues, with full resolution expected in the third quarter of 2013.
More
Mmegi Online :: Fatal accident at Jwaneng Mine
It is with deep regret that Debswana announces the passing away of its employee, Motshwari Raseiteo, who met his death when the Jwaneng Mine pit experienced a slope failure at Cut 6 on June 29th
More
Debswana suspends production at Jwaneng Mine after fatal
Botswana’s leading diamond company, Debswana has suspended all production activities at its Jwaneng Mine following an accident last Friday, which claimed the life of its employee. The group public & corporate affairs manager Esther Kanaimba-Senai said Motshwari Raseiteo met his death when the mine pit experienced a slope failure at Cut 6.
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Botswana’s Scintillating Moment Gems & Gemology
The slope failure at Jwaneng in June 2012 killed an employee, and investigations into its cause shuttered the mine for several months. Debswana has since taken an even more aggressive stance on safety, promulgating a “zero harm culture” while improving its
More
CASE STUDY: Debswana Corporate Mines
JWANENG MINE Jwaneng Mine was the first site in Botswana to acquire the Slope Stability Radar (SSR™) and the second within the De Beers group. The SSR was first installed at the Jwaneng on July 25th 2005. The implementation of the SSR enabled the mine to ensure that more of the ground and slope failures were constantly
More
STAKEHOLDERS Debswana
our colleague Mr Motshwari Raseiteo lost his life in a slope failure at Jwaneng Mine in June 2012. This incident was the first of its kind in Debswana’s 43-year history, and a terrible shock to all of us. Many employees travelled to Bray in the Kgalagadi District to lay
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Slope stability challenges and solutions for mining
Figure 5: Pit wall conditions before and after implementation of dip slope mining Conclusions The dip slope mining solution proved highly effective in drastically reducing the stability challenges that were experienced in the eastern Cut 8 slopes. References Contreras, L. F., 2010. Jwaneng Mine Cut 8 Slope Geotechnical Design. SRK Report No
More
Jwaneng Mine Debswana
Jwaneng Mine is the flagship of Debswana due to substantially higher dollar per carat obtained for its gems. Jwaneng Mine contributes about 60-70% of Debswana’s total revenue. Production . Currently Jwaneng is mining to a depth of 400 metres and is expected to reach 624 metres by 2017.
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De Beers’ half year production Mining & Travel
Jul 26, 2013 Progress on the remediation programme following the Jwaneng mine slope failure that occurred in June 2012 continues, with full resolution expected in the third quarter of 2013. On the other hand, sales remained steady during the first half, with total sales of $3.3 billion (30 June 2012: $3.3 billion) and rough diamond sales of $3.0 billion (30
More
De Beers shows improved production and Mining News
Jul 26, 2013 De Beers’ half-year production increased by nearly one million carats to 14.3 Mct (30 June 2012: 13.4 Mct) owing to improved ore grades at Orapa and Jwaneng Mines. Progress on the remediation programme following the Jwaneng mine slope failure that occurred in June 2012 continues, with full resolution expected in the third quarter of 2013.
More
Vacancy Geotechnical Engineer Debswana Diamond Company
Debswana Diamond Company Debswana Jwaneng Mine would like to invite suitably qualifi ed innovative, results oriented and self-driven individuals to apply for the position listed and described below and join a professional team driven by service excellence, where the demands of the business are met by encouraging team work and addressing the needs of the individual.
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Guidelines for Slope Performance Monitoring LOP
This chapter describes what slope engineers can do to make the best use of data that is available to best understand slope performance (e.g. visualization (see also Chapter 10) and data integration for confirming reliability), assess the failure mechanism, identify risk areas, predict time to failure and provide relevant information for mine
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Andrea Falomi Senior Georadar Specialist LinkedIn
Effective Use of Slope Monitoring Radar to Predict a Slope Failure at Jwaneng Mine, Botswana SAIMM (The Southern African Institute of Mining and Metallurgy) 5 ottobre 2015 Debswana Jwaneng Mine, located in the southern part of Botswana about 130 km due west from the capital city Gaborone, has employed IBIS-FM radar technology since 2013 for
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(PDF) JWANENG MINE WASTE DUMPS REVIEW & DESIGN OPTIMISATION
This is a brief presentation on our final year Geological Egineering degree from BIUST. It involves geotechnical numerical modelling and analysis of the Jwaneng Diamond Mine Rock Waste Dumps
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AB saimm.co.za
Debswana Diamond Mining Company Slope stability is a fundamental part of a successful mining operation. It impacts directly on the safety of personnel and the economics of the mine. The Jwaneng Mine in Botswana is planning a push back of 644m depth in the south east wall. Mining will commence in 2010 and be completed in 2024.
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