Estimating the Optimal Overall Slope Angle of Open-Pit …
Slope instability of open-pit mines has adverse impacts on the overall mine profitability, safety and environment. The slope of an open-pit mine is crucially influenced by the slope geometry, quality of rock mass and presence of geological features and their properties. The objective of this study is to demonstrate a method to select the optimal overall slope angle …
Analysis of a slope failure in an open pit mine …
In this open pit mine case the 2D factor of safety is 25 percent lower than the 3D factor of safety because the 3D geometry of the failure surface acts to constrain movement. This cannot be taken into account with 2D analyses.
Openpit fundamentals | PPT
The document defines key mining terminology used in open pit mine design including: bench, bench height, bench slope, berm, overall pit slope angle, haul roads, angle of repose, subcrop/ore depth, pre-production …
(PDF) Open Pit Mining
Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones...
The long-term effects of a token economy on safety performance in open
A token economy that used trading stamps as tokens was instituted at two dangerous open-pit mines. Employees earned stamps for working without lost-time injuries, for being in work groups in which all other workers had no lost-time injuries, for not being involved in equipment-damaging accidents, for making adopted safety suggestions, and for unusual behavior which prevented …
Guide of Open-pit Mine Waste Dump
This article will discuss the open-pit mine waste dump from site selection, dumping methods, closure, reclamation, accidents and hazards and safety precautions. +86 xlyin@xinhaimining
Open Pit Mining Slopes: Special Stability Considerations
Slope stability analysis and design are important in mining geotechnical engineering, as open-pits have slopes cut as steep as possible to ensure efficient mining. We must mine the ore while keeping the total waste to a minimum, aiming for a reasonable factor of safety (FS) and tolerable probability of failure (PoF). Therefore the safety issues along with …
Evaluation and Risk Analysis of Open-Pit Mining …
Open-pit mining operations harbour risks which can lead to project delays, operation standstill, injury to personnel, damage to equipment, or negative impacts on the environment. Therefore, risk identification and …
Two ways to reduce risk and improve safety in open pit mines
Two ways to reduce risk and improve safety in open pit mines . Anglo American CEO Mark Cutifani last week affirmed to shareholders the company is firmly committed to improving safety and productivity within its mines. Indeed, most mining companies will rightly tell you keeping employees out of harm's way is a top priority.
Optimal slope profiles for maximum mine pit-wall …
Design of an open pit goldmine by optimal pitwall profiles, CIM Journal, 12(4):149–168. Agosti, A, Utili, S, Valderrama, C and Albornoz, G, 2021b. Optimal pitwall profiles to maximise the Overall Slope Angle of open pit mines: the McLaughlin mine, Proceedings of the Slope Stability in Mining Conference 2021, pp 69–82
Geotechnical approach for occupational safety risk analysis …
Occupational safety and health (OSH) is a planned effort to prevent accidents and diseases caused by work. In conducting mining activities often occur work accidents caused by unsafe field conditions. In open mine area, there is often a slump due to unstable slopes, which can disrupt the activities and productivity of mining companies.
LiDAR Mapping in Open-Pit Mining: Pioneering Efficiency and Safety
Introduction to LiDAR in Mining Open-pit mining, a fundamental method of extracting valuable minerals from the earth, faces numerous operational challenges, including maintaining efficiency and ...
Mining safety and health
Most of the mining in the state today involves surface mining such as quarrying, strip mining, and open-pit mining. However, underground mining and Frasch and in-situ mining (methods of using liquids to extract minerals) are used in some parts of the state primarily for salt, sulfur, and uranium. Each of these materials and the techniques to ...
Health and Safety among open
134 Journal of Mining and Earth Sciences Vol. 61, Issue 5 (2020) 134 - 142 Health and Safety among open - pit mining industry: Current situation and recommendations Tho Anh Nguyen 1,*, Bich Ngoc Nguyen2 1 Administration of Occupational Safety - Ministry of Labour - Invalid and Social Welfare, Vietnam
Chapter Open Pit Mining
Open Pit Mining Awwad H. Altiti, Rami O. Alrawashdeh and Hani M. Alnawafleh Abstract ... It often results in high produc-tivity and requires large capital investments, low operating costs, and good safety conditions. The main topics that will be discussed in this chapter will include an introduction into the general features of open pit mining ...
The safety factor of a heterogeneous slope in an open-pit metal mine…
A landslide of the north open-pit (323N) and the stability and design optimization of the south open-pit (323S) slope in the 323 belts of the Tanjianshan Gold Mine were studied.
Working conditions and occupational health risks of open …
Therefore, the conducted study shows that workers engaged in open-pit mining of iron-containing ores, whose working conditions are characterized by class 3.2–3.3, are exposed …
Safety in Open Pit Mining
In this topic, we saw some of the main safety issues that we can face in a surface mining environment. In the next topic, we will go through which are the main protective measures against some of the most important …
Securing open-pit mine safety
Securing open-pit mine safety. October 30, 2020. in General. 0. SHARES. 212. VIEWS. Share on Facebook Share on Twitter. Mining is a business fraught with risks. From natural disasters to faulty equipment and human error, safety and productivity is constantly threatened by accidents and breakdowns. These risks can affect not only the functioning ...
Safety Precautions You Need to Pay Attention in Open-pit Mining
Open-pit mining is a process of removing the covering on the ore body to obtain the required minerals. Open-pit mining is a widely used mining method in mines at present. But during the construction process, there often occur such safety problems: slope collapse, water damage, object strikes, falling from height, vehicle damage, blasting damage ...
Lecture-Opencast Mining Methods.pdf
The overall pit slope angle is the angle at which the wall of an open pit stands, as measured between the horizontal and an imaginary line joining the top bench crest with the bottom bench toe. For the duration of open pit mining, a haul road must be maintained into the pit. A spiral system is an arrangement whereby the haul road is arranged spirally along the perimeter walls …
(PDF) Open Pit Mining | Hani Alnawafleh
Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones deposits. ... and good safety conditions. The main topics that will be discussed in this chapter will include an introduction into the general features of ...
(PDF) Interaction of Occupational Health and Safety and …
Interaction of Occupational Health and Safety and Work Productivity: Open Pit Mining September 2022 Gümüşhane Üniversitesi Sağlık Bilimleri Dergisi 11(3):898-912
Environmental impact of open-pit mining and …
Environmental impact of open-pit mining and corresponding strategies Nankaewu Shaanxi Provincial Land Engineering Construction Group, Xi'an 710075, China ... Fuchuan J. Research on Intrinsic Safety Method for Open-pit Mining. Procedia Engineering. 2012;43:453-8. [4] Lin YN, Park E, Wang Y, Quek YP, Lim J, Alcantara E, et al. The 2020 Hpakant ...
SLOPE STABILITY ANALYSIS FOR OPEN PITS 1
In open pit mining, it is accepted to trade off some failures for steeper bench face angles, without compromising safety, since it is more economical to deal with regular clean-ups . than to have higher stripping ratios. This is generally referred to as a "managed" approach to slope
Bench in Open-Pit Mining
Bench is a horizontal layer of ore rock upon which stripping and mining are performed in an open-pit mine. The bench is an essential constituent of the open stope. The bench on which stripping and mining are conducted is called the working bench. The bench temporarily unused is called a temporary nonworking bench.
Optimising Productivity and Safety of the Open Pit …
The open pit mining load and haul system has been a mainstay of the mining industry for many years. While machines have increased in size and scale and automation has become an important development, there have been few innovations to the actual load and haul process itself in recent times. This research highlights some of the potential productivity and …
An integrated approach to safety in the design and …
Indicators of industrial injuries in the mining of metal ores for 2010-2023. in the Transbaikal region. Compiled together with V.A. Rodionov. We believe that ensuring the safety of mining operations at any open-pit mine or quarry begins with the design stage and the implementation of various types of work strictly in accordance with design ...
Protecting Workers from Respirable Dust Hazards in Open Pit Mining
Dust Control in Open Pit Mining. There are different types of open pit mining. But at a basic level, they have one thing in common: producing dust by mechanical means. That includes: Drilling; Explosives; Digging; Transporting material (wheel-generated dusts on haul roads) Primary and secondary crushing; Screening; Handling, sorting, and piling ...
INVESTIGATING SLOPE STABILITY IN AN OPEN PIT …
Slope stability is critical for final wall in open pit mining operations. Not only is slope failure costly to manage, it might also be accompanied by loss of lives. Factor of safety is very critical during the slope design phase, however, the execution of the design is as important as the design phase itself. Among the many factors affecting ...