scholarly journals A Block Aggregation Method for Short-Term Planning of Open Pit Mining with Multiple Processing Destinations

Minerals ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 288
Author(s):  
Saad Salman ◽  
Khan Muhammad ◽  
Asif Khan ◽  
Hylke J. Glass
Keyword(s):  
Computational Cost ◽  
Open Pit ◽  
Open Pit Mining ◽  
Problem Analysis ◽  
Short Term ◽  
Open Pit Mines ◽  
Rock Types ◽  
Block Clustering ◽  
Block Aggregation ◽  
Multiple Processing

Clustering approaches are widely used to group similar objects and facilitate problem analysis and decision-making in many fields. During short-term planning of open-pit mines, clustering aims to aggregate similar blocks based on their attributes (e.g., geochemical grades, rock types, geometallurgical parameters) while honoring various constraints: i.e., cluster shapes, size, alignment with mining direction, destination, and rock type homogeneity. This approach helps to reduce the computational cost of optimizing short-term mine plans. Previous studies have presented ways to perform clustering without honoring constraints specific to mining. This paper presents a novel block clustering heuristic capable of considering and honoring a set of mining block aggregation requirements and constraints. Constraints can relate to the clustering adjacent blocks, achieving higher destination homogeneities, controlled cluster size, consistency with mining direction, and achieving clusters with mineable shapes and rock types’ homogeneity. The proposed algorithm’s application on two different datasets demonstrates its efficiency and capability in generating reasonable block clusters while meeting different predefined aggregation requirements and constraints.

scholarly journals A GIS Software Module for Environmental Impact Assessment of the Open Pit Mining Projects for Small Mining Operators in Kazakhstan

2021 ◽  
Vol 13 (12) ◽  
pp. 6971
Author(s):  
Mikhail Zarubin ◽  
Larissa Statsenko ◽  
Pavel Spiridonov ◽  
Venera Zarubina ◽  
Noune Melkoumian ◽  
...  
Keyword(s):  
Environmental Impact ◽  
Impact Assessment ◽  
Environmental Impact Assessment ◽  
Mining Industry ◽  
Open Pit ◽  
Open Pit Mining ◽  
Software Module ◽  
Mining Operations ◽  
Open Pit Mines ◽  
Gis Software

This research article presents a software module for the environmental impact assessment (EIA) of open pit mines. The EIA software module has been developed based on the comprehensive examination of both country-specific (namely, Kazakhstan) and current international regulatory frameworks, legislation and EIA methodologies. EIA frameworks and methods have been critically evaluated, and mathematical models have been developed and implemented in the GIS software module ‘3D Quarry’. The proposed methodology and software module allows for optimised EIA calculations of open pit mines, aiming to minimise the negative impacts on the environment. The study presents an original methodology laid out as a basis for a software module for environmental impact assessment on atmosphere, water basins, soil and subsoil, tailored to the context of mining operations in Kazakhstan. The proposed software module offers an alternative to commercial off-the-shelf software packages currently used in the mining industry and is suitable for small mining operators in post-Soviet countries. It is anticipated that applications of the proposed software module will enable the transition to sustainable development in the Kazakh mining industry.

Science-based solutions on the development of instructions for an emergency response plan for open-pit mines

2020 ◽  
pp. 84-98
Author(s):  
S. S. Kobylkin ◽  
A. S. Kobylkin ◽  
S. V. Balovtsev ◽  
A. R. Kharisov
Keyword(s):  
Emergency Response ◽  
Russian Federation ◽  
Initial Period ◽  
Open Pit ◽  
Open Pit Mining ◽  
Open Pit Mines ◽  
Rescue Service ◽  
Emergency Response Plan ◽  
The Russian Federation ◽  
Response Plan

At present, in the Russian Federation there are no legislatively approved recommendations on the procedure, structure and requirements for the design of an emergency response plan for coal open-pit mines. Therefore, the development of this document at the mining enterprises is carried out independently, coordinating it with emergency response services serving the hazardous production facility. The absence of regulatory documents forces the enterprise management to make decisions on the structure of the document, forms and its content. This can lead to errors in conducting mine rescue operations when attracting additional forces and means from other units of rescue units. The relevance of creating a single document for everyone to draw up a plan for the elimination of accidents at sections has been repeatedly noted at production meetings with the participation of scientists, specialists from surveillance services and representatives of rescue units. In order to increase the emergency preparedness of enterprises, on the basis of studies of the current regulatory documentation of Rostechnadzor, the EMERCOM of the Russian Federation, Mines Rescue Service and scientific literature, an algorithm was developed for compiling submarines for coal open-pit mines. The analysis of accidents at the coal open-pit mines of the country made it possible to create a list of types of accidents encountered. Based on this, instructions have been developed for the actions of all workers in the mine for the initial period in the event of an accident. Taking into account the existing standard forms for coal mines, the developed document forms for open pits were developed, this will make it possible to unify emergency rescue operations regarding the preparation of documents. Scientifically sound solutions can be used to develop a plan for the elimination of accidents in the future at all mining enterprises engaged in open mining. The results of the work expand knowledge in the field of safety of coal open pit mining.

scholarly journals On possible changes in the calculation of parameters of transport technology of open pit mining with the use of autonomous heavy platforms

2021 ◽  
Vol 315 ◽  
pp. 03015
Author(s):  
Dmitry Stenin
Keyword(s):  
Positive Impact ◽  
Open Pit ◽  
Open Pit Mining ◽  
General Study ◽  
Open Pit Mines ◽  
Calculation Of Parameters ◽  
Transport Component ◽  
Urgent Task ◽  
Transport Cycle ◽  
Dump Trucks

Reducing the costs of the transport component, reaching up to 50% or more of the total cost of the mined coal, is an urgent task that does not require additional confirmation. Since the development of measures to improve the purely technical indicators of motor transport at open-pit mines is beyond the scope of the general study, we will limit ourselves to the search for technological solutions that can have a positive impact on the overall cost of production. This may include, for example, the search for solutions to reduce the duration of the transport cycle and optimization of its components. It is also necessary to study the possible changes in the indicators of the transport technology of open-pit mining when using classic open-pit dump trucks and autonomous heavy platforms (unmanned open-pit haul trucks). The article presents an analysis of existing technical and technological solutions and research on the use of unmanned transport technologies. It is established that the parameters of transport technology will change to some extent with the introduction of unmanned heavy platforms, which will inevitably lead both to the correction of the existing regulatory documentation, and a possible revision of the classical postulates of open-pit mining.

Short-term planning for open pit mines: a review

2018 ◽  
Vol 33 (5) ◽  
pp. 318-339 ◽  
Author(s):  
Michelle Blom ◽  
Adrian R. Pearce ◽  
Peter J. Stuckey
Keyword(s):  
Open Pit ◽  
Short Term ◽  
Open Pit Mines

scholarly journals Evaluation of Effect of the Excavator Cycle Duration on its Productivity

2020 ◽  
Vol 174 ◽  
pp. 01010
Author(s):  
Oleg Litvin ◽  
Yaroslav Litvin
Keyword(s):  
Open Pit ◽  
Open Pit Mining ◽  
Dump Truck ◽  
Mutual Arrangement ◽  
Cycle Duration ◽  
Open Pit Mines ◽  
Mining Front ◽  
Optimum Variant ◽  
Hydraulic Excavators ◽  
Angle Of Rotation

Hydraulic excavators currently used at open pit mines, in particular backhoes, are more maneuverable, mobile and have more digging capabilities than rope shovels. This makes them suitable for a variety of conditions: top and bottom digging, loading lower, higher and at the standing level. The variants of mutual arrangement of the excavator and the dump truck, respectively, affect the duration of the excavator cycle, which, in turn, directly affects the productivity of the excavator. This article evaluates changes in the productivity of an excavator, depending on its angle of rotation and options for digging and loading. It is determined that the smaller the swing angle of an excavator, the greater its impact on productivity. Based on the executed calculations relative decrease in productivity (in percent from the most optimum variant) is established. Results of work can be used at planning of open pit mining for the purpose of definition, for example, speed of mining front movement at change of parameters of an excavator face and a type of a digging and loading.

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