Dec 09, 2016 ASSESSING AND MONITORING OPEN PIT MINE HIGHWALLS . Jami M. Girard1, P.E., C.M.S.P. 1Mining Engineer, National Institute for Occupational Safety & Health, Spokane Research Laboratory, 315 E. Montgomery Ave., Spokane, WA 99207 . INTRODUCTION Slope stability accidents are one of the leading causes of fatalities at U.S. surface mining operations.
Jun 01, 2007 Assessing and Monitoring Open Pit Mine Highwalls 8/1/2001 - Conference papers This paper introduces warning signs of slope instability so operators are better able to recognize hazards.
Top Of The Pit Highwalls If the geological formation permits, pre-splitting should be made a part of the mining method for final walls to reduce the potential for loose rock along the face. If a quarry has an exceptionally high face height, and if pre-splitting is a viable option, consider pre-splitting every shot. This is a
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location. Wisconsin. cost. $97,000. completion date. 2016. When planar-type, wedge-type catchment and bench failures were found in a highwall at its Marinette Quarry, Specialty Granules LLC wanted to assess the highwall’s stability, identify potential hazards, and garner recommendations to achieve a stable slope and bench configuration for ...
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Slope Stability Hazards in Mining • Open pit mining creates the highest man-made rock faces on earth –presenting slope stability hazards. Bingham Canyon Mine, Utah. Pit slopes up to 3,500 feet (1,100 m) high. 2
Radar, extensometers, prism monitoring systems and other geotechnical equipment have been used in open pit mines since the early 1990s. These high-tech systems are used to monitor for slope movement within the walls of open pit mines. The real-time data is used by engineers in combination with visual inspections from more than 800 workers trained […]
visibility within the confines of the mine. In this initial assessment, real-time operation was not attempted. Data collected by the GPS receivers were post-processed. Local deformation monitoring in an open pit mine When monitoring deformations by means of precision surveys, several reference stations are typically set up,
The system has been trialed at three open-cut coal mines in Australia, which demonstrated the potential for real-time monitoring of slope stability during active mining operations. Keywords: interferometry, displ acement, defo rmation, monitoring 1. INTRODUCTION Monitoring slope stability is a critical safety issue in coal min es…
Fig. 1. Open pit mining operations (Scott Dunbar, 2012) 3. Open Pit Mine Planning and Scheduling Extracting the blocks from the mine in specific sequence to give the highest net present value (NPV) is known as open pit mine planning and scheduling. This is subject to a variety of production, grade blending and pit slope constraints (Whittle, 1989).
Girard, JM 2001, ‘Assessing and monitoring open pit mine highwalls’, Proceedings of the 32nd Annual Institute of Mining Health, Safety and Research, National Institute for Occupational Safety & Health, Spokane.
Stability assessment and slope design at Sandsloot open pit, South Africa ... By sumith hettiarachchi Hettiarachchi. MONITORING AND PREDICTING SLOPE INSTABILITY: A REVIEW OF CURRENT PRACTICES FROM A MINING PERSPECTIVE. By Upasna C Kothari and Moe MOMAYEZ. Slope Monitoring Practices at Open Pit Porphyry Mines in BC, Canada.
Dec 02, 2020 Gamsberg mine is a comparatively new open cast pit in the Northern Cape, South Africa. Operated by Vedanta Zinc International , it currently produces 400,000 tonnes of ore per month. Once full production capacity is reached Gamsberg is expected to produce 4 000,000 tonnes of ore and 250,000 tonnes of zinc-in-concentrate per year.
Assessing And Monitoring Open Pit Mine Highwalls . By . Abstract. INTRODUCTION Slope stability accidents are one of the leading causes of fatalities at U.S. surface mining operations. The Spokane Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) is currently conducting research to reduce the fatalities ...
ASSESSING AND MONITORING OPEN PIT MINE HIGHWALLS . By Jami M. Girard. Abstract. Slope stability accidents are one of the leading causes of fatalities at U.S. surface mining operations. The Spokane Researc ... Please contact us if you think this content is not Open Access according to the BOAI definition . ...
Assessing and Monitoring Open Pit Mine Highwalls The Concept of Degraded Images Applied to Hazard Recognition Training in Mining for Reduction of Lost-Time Injuries Effective Hazard Recognition Training using a Latent-Image, Three-Dimensional Slide Simulation Exercise
Assessing and Monitoring Open Pit Mine Highwalls. This paper introduces various warning signs of slope instability so operators are better able to recognize hazards. The most common slope monitoring equipment and practical methods of installation are discussed as well as the limitations of these systems.
Jan 19, 2017 assessing and monitoring open pit mine highwalls A Strategic Rock Mechanics Study for The Kevitsa Open Pit Mine € The Boliden Kevitsa open pit mine BRITISH COLUMBIA MINE SAFETY AWARDS ...
Coal mining was initiated at the study site in 1969, and has been ongoing for 31 of the past 35 years, using both underground room and pillar and open pit truck and shovel operations. The surface operations began in 1972. The current operator has been mining on the property since 2004. Open pit geometry is based on highwalls (pit slopes
Jun 09, 2015 As mining advances, it is imperative that this monitoring system be relocated to those areas of concern. There is a growing trend for radar monitoring systems at mine sites to identify specific areas of instability along highwalls, waste dumps and tailing dams. Wall failures do not occur without warning if the failed area is being well monitored.
Highwall stability is essential for open-cut mining.In these particular projects, otherwise known as open-pit mining, employs a technique in which rock and minerals are extracted from a borrow pit, or sandbox.For long-term highwall performance, the substance properties that makeup mining sites—or more specifically, the rocks and minerals found within the borrow—should be carefully examined ...
• Monitoring and maintaining open pit slopes • Assessing the risks with open pit mining Learning outcomes After successful completion of the course, you will have a better understanding of the open pit mine planning process. The detailed outcomes would be reached as presented in the industry
practice in open pit mines. The application of sound geotechnical engineering practice is considered to be an integral component of Part 2 of the Mines Safety and Inspection Act 1994 (MSIA). It is emphasised that this guideline is not totally inclusive of all factors concerning the application of geotechnical engineering in open pit mining…
assessing and monitoring open pit mine highwalls Massive slope failure at an open pit gold mine did not cause ... “A rock fell from the quarry wall striking the victim ... heavy precipitation or spring run-off and after.
Assessing cracks on the crest to protect mining operations on the pit floor and enhance security 3D Model – Assisting Mining Operations to keep Heavy Machinery out of harm’s way by issuing Hazard Alerts to ensure all mining shifts can mitigate exposure and risks along the highwalls
May 21, 2019 Monitoring landslide areas above dams, highways, open pit mine and railroads to provide early warning of slope failure. Monitoring ground movements induced by tunnel construction , mining and ...
in erzincan bizmien area of turkey limit the overall production by open pit mining, assessing and monitoring open pit mine highwalls jami m girard1 p e c m s p 1mining engineer national institute for occupational safety amp health spokane research laboratory 315 e montgomery ave spokane wa 99207 introduction slope stability accidents are one of ...
One of the major hazards associated with highwalls in surface mining operations is rockfalls. The re- ... ASSESSING AND MONITORING OPEN PIT MINE HIGHWALLS. Article. Jami M. Girard;
Jami M Girard Pe Cmsp Mining Engineer National. Assessing and monitoring open pit mine highwalls jami m girard1 pe cmsp 1mining engineer national institute for occupational safety amp health spokane research laboratory 315 e montgomery ave spokane wa 99207 introduction slope stability accidents are one of.
J.M. Girard, Assessing and Monitoring Open Pit Mine Highwalls, 32nd Annual Institute on Mining Health, Safety and Research, Salt Lake City, 2001. Survey Slope Stability Monitoring: Lessons from ...
consequence of harm could occur to a person in and around the mine. It records specific hazards, possible problems and risks levels. The workbook consists of 3 stages: 1 . Cover Sheet and Hazard Type List – Prompts and Energies 2 . Risk Assessment 3 . Action Planning . Mine Safety Operations Version 5.0 …
Radar for slope monitoring in open-pit mines. The IBIS product family offers robust and accurate slope monitoring radar solutions able to rapidly measure slope movements over large areas with sub-millimetre accuracy, providing early warning for impending wall failures.
Girard, JM 2001, ‘Assessing and monitoring open pit mine highwalls’, 32nd Annual Institute on Mining Health, Safety and Research, pp. 159–171. Meier, L, Jacquemart, M, Wahlen, S & Blattmann, B 2017, ‘Real-time rockfall detection with doppler radars’, in J Corominas (ed.), Proceedings of the 6th Interdisciplinary Workshop of Rockfall ...
(e) analysis is carried out of open pit wall stability for the projected geometry of the pit; (f) appropriate drilling and blasting procedures are used to develop final walls; and (g) appropriate methods of open pit wall monitoring are used over a period of time to determine wall stability conditions. Penalty: See …