Productivity of a Continuous Mining System for Block Caving Mines

Orellana, Luis Felipe; Castro, Raúl Silva; Hekmat, A.; Arancibia, Eduardo

doi:10.1007/s00603-016-1107-9

Cited by 7 publications

(6 citation statements)

References 5 publications

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“…The test showed the capacity of the dozer feeder to extract the ore from the drawpoint at a reasonable rate (200 t/h on average), allowing a proper flow within the ore column [55]. With these positive results, the process validation moved forward to Phase II.…”

Section: Phase I (2005): Dozer Feedermentioning

confidence: 95%

“…Such is the case of the Continuous Mining System (CMS) for caving operations, introduced by Codelco in Chile. This design considered the continuous and simultaneous extraction of broken ore from active drawpoints in a block or panel caving mine, by the combined action of feeders (located at the drawpoints), heavy weight conveyors, and primary crushers [55].…”

Section: Continuous Miningmentioning

confidence: 99%

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Innovation in the Mining Industry: Technological Trends and a Case Study of the Challenges of Disruptive Innovation

Sanchez

Hartlieb

2020

Mining, Metallurgy & Exploration

113

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Innovation plays a critical role in the mining industry as a tool to improve the efficiency of its processes, to reduce costs, but also to meet the increasing social and environmental concerns among communities and authorities. Technological progress has also been crucial to allow the exploitation of new deposits in more complex scenarios: lower ore grades, extreme weather conditions, deeper deposits, harder rock mass, and high-stress environments. This paper discusses the importance of innovation for the mining industry and describes the mechanisms by which it is carried out. It includes a review of the drivers and actors involved and current trends. The digital transformation process that the industry is going through is analyzed, along with other relevant trends that are likely to shape the mining of the future. Additionally, a case study is presented to illustrate the technical and economic implications of developing a disruptive innovation project.

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Section: Phase I (2005): Dozer Feedermentioning

confidence: 95%

Section: Continuous Miningmentioning

confidence: 99%

Innovation in the Mining Industry: Technological Trends and a Case Study of the Challenges of Disruptive Innovation

Sanchez

Hartlieb

2020

Mining, Metallurgy & Exploration

113

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“…Block caving is an underground mining method that allows the profitable extraction of massive and low-grade ore bodies [1][2][3]. The block caving mining method is becoming increasingly popular as it is the underground mining method with the lowest cost and allows large production rates.…”

Section: Introductionmentioning

confidence: 99%

“…The block caving mining method is becoming increasingly popular as it is the underground mining method with the lowest cost and allows large production rates. Of the ten underground mines with the largest production levels, five of them use the block caving method and have a cave depth of more than 1500 m, namely, the copper, gold and silver mines that are part of the Grasberg Operations of PT Freeport, Indonesia; the Cadia Mine of Newcrest Mining in the Cadia Valley, Australia; and the Padcal Mine of Philex Mining in the Philippines; along with the New Afton Mine, New Gold, Canada, and the diamond mine of Udachny, ALROSA, Russia [1]. The block caving method, especially at depths greater than 1500 m, faces challenges that result from the seismic-induced destruction involved [2,[4][5][6].…”

Section: Introductionmentioning

confidence: 99%

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Testing the Utilization of a Seismic Network Outside the Main Mining Facility Area for Expanding the Microseismic Monitoring Coverage in a Deep Block Caving

et al. 2022

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In the case of mining in an inclined intrusion using the block caving method, the highest stress is usually concentrated in the seismogenic and abutment zones, especially in the front of the sloping area. In an inclined intrusion of more than 40°, the seismometer network is usually distributed in the facility area where the footwall area is also located. This causes a limitation in microseismic monitoring due to ray coverage. In this study, we conduct a seismometer deployment outside a mining facilities area with borehole seismometers. The study aims to maximize the resolution and minimize the monitoring uncertainty of underground mines. We created two scenarios of seismometer deployment: (i) seismometers are deployed following the intrusion mining level in the mining facility area; and (ii) additional seismometers are deployed in off-facilities areas. Both areas were tested for their raypath responses and sensitivity using the Checkerboard Resolution Test (CRT). The monitoring resolution influenced by the additional borehole seismometers in the off-facilities area can be quantified. The results suggest that the additional seismometers in the off-facilities areas can increase resolution by 30% in the seismogenic and abutment zones.

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Novel approach to evaluate rock mass fragmentation in block caving using unascertained measurement model and information entropy with flexible credible identification criterion

Zhou

Chen

Khandelwal

et al. 2021

Engineering with Computers

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Productivity of a Continuous Mining System for Block Caving Mines

Cited by 7 publications

References 5 publications

Innovation in the Mining Industry: Technological Trends and a Case Study of the Challenges of Disruptive Innovation

Innovation in the Mining Industry: Technological Trends and a Case Study of the Challenges of Disruptive Innovation

Testing the Utilization of a Seismic Network Outside the Main Mining Facility Area for Expanding the Microseismic Monitoring Coverage in a Deep Block Caving

Novel approach to evaluate rock mass fragmentation in block caving using unascertained measurement model and information entropy with flexible credible identification criterion

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