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How to Choose Open-pit Mining Equipment?

Open-pit mining is a project to extract valuable minerals from mines. It mainly consists of four links: perforation, blasting, mining and loading, and transportation.The mining equipment required for these links is an important part of open-pit mining and directly affects the user's investment rate of return. So, how do you choose open-pit mining equipment?

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Selection criteria for loading and hauling equipment

Attributes investigated include truck payloads, bucket loads, loader cycle time, truck loading time and truck cycle time. Selection of "ultra-class" mining trucks (≥ 290 -tonne payload) and …

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Selection criteria for loading and hauling equipment

Download Citation | Selection criteria for loading and hauling equipment - open pit mining applications | Methods for estimating productivity and costs, and dependent equipment selection process ...

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STAGES OF OPEN PIT MINING. MINING METHODS …

Open pit mining is usually done through a a series of mining steps, commonly known as pushbacks. Metallized in open pit mining, each push considers the mining of one or ... mining design and loading equipment selection are interrelated activities. Their definition directly affects the mining speed of the mine. For example, a particular recoil

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Equipment Selection for Surface Mining: A Review

however, for large-scale open pit mining in particular, the truck and loader" material movement practice is the preferred method of materials handling (Czaplicki, 1992; Ta et al., 2005). Throughout this paper, we consider a loader" to be any type of high productivity excavating equipment, which may include a mining loader, shovel or excavator.

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Sizing equipment for open pit mining – a review of critical parameters

Over the past century, open pit mines have steadily increased their production rate. Larger equipment and new technologies make it possible to mine larger batches of materials in a shorter time. Low commodity prices have forced companies to decrease their unit cost, by using new technologies and improving productivity.

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Sizing equipment for open pit mining

There are different methods available to size mining equipment. Eq. 1 computes the dipper capacity (volume) of the shovels:1 B= Q/[(60/tc) ´S´A´O´(bucketfill factor)] (1) where Bis the dipper capacity (t), Qis the production required (t/h), tcis the shovel cycle time (min), Sis the swing factor, Ais the mechanical availability, and O the job operational factor.

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Chapter Open Pit Mining

overburden. Also, open pit has virtually an unlimited ability to create and use high-performance large-sized mining and transportation equipment that can provide the highest technical and economic parameters. Open pit mining has higher productiv-ity (3–5 times of underground methods), lower production costs, more safe and

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[PDF] Loading-haulage equipment selection in open pit …

Equipment selection is one of the most important aspects of open pit design. Mining costs are mainly affected by the number and capacity of equipment. Equipment selection for open-pit mines is definitely a major decision which will impact greatly the economic viability of an operation (Aghajani et al. 2007). Equipment selection effects economic considerations in open-pit design, …

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OPTIMIZATION OF THE HAULAGE CYCLE MODEL FOR …

4 DEDICATION To the loving memory of my father To my mother, Hualberta, for your love, work, and sacrifice over the years that allowed fulfill my dreams.

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Loading-haulage equipment selection in open pit …

Equipment selection effects economic considerations in open-pit design, specifically overburden, waste rock and ore mining costs and cost escalation parameters as a function of plan location and ...

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(PDF) Loading-haulage equipment selection in open pit …

An open-pit mine's loading-hauling equipment was selected in a case study using AHP and ... the capital cost of open-pit mining equipment is very high so any mistake in the selection of quantity ...

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Optimization of cycle time for loading and hauling …

As a result, the total cycle time for open-pit mining is 19.765 minutes, resulting from the total loading time, hauling time for total loading, total dumping time, and total return time for empty transport of 4.265, 8.46, 0.86 and ... Loading equipment – Terex RH40 shovel 2 Terex RH40 excavator 3 CAT 990H loader 2 Haul trucks – CAT 775 ...

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Applications of Queuing Theory for Open-Pit …

Surface mining is the most common mining method worldwide, and open pit mining accounts for more than 60% of all surface output (Hartman & Mutmansky, 2002). Open pit mining consists primarily of the removal of topsoil and overburden, drilling and …

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Optimising Productivity and Safety of the Open Pit Loading …

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 …

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(PDF) Open Pit Mining

The main topics that will be discussed in this chapter will include an introduction into the general features of open pit mining, ore body characteristics and configurations, stripping ratios and ...

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Equipment Selection for Surface Mining: A Review

gold. Surface mining methods include open-pit, strip-ping, dredging, and mountain-top removal. This paper focuses on open-pit surface mining, which involves removing ore from a large hole in the ground (some-times referred to as a borrow pit). The process for creating a borrow pit is sequential: first explosives loosen the earth; then ...

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An analysis of full truck versus full bucket …

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 ...

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Equipment Selection and Sizing for Optimum …

This paper aims to select the appropriate size and number of loading and haulage equipment for the optimal planning and design of an open pit mine (Quarry). The specific objectives include to: Estimate the reserve of the …

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Surface Mining Methods and Equipment

1.1.Classification of Surface Mining Methods 1.2. Open Pit vs. Underground Mining Methods 1.3. Open Pit Mining 1.4. Open Cast Mining 1.5. Placer Mining 1.6 Solution Mining 2. Surface Mining Machinery Glossary Bibliography Biographical Sketches Summary This chapter deals with surface mining. Section 1 presents an overview of surface mining

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Open Pit Equipment Selection and Maintenance

Loading equipment of various types and capacities is readily available from a number of manufacturers. This permits an operator to select a design which is tailored to a specific loading application.

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Haulage systems for open pit mines

Off-highway trucks have established themselves as the primary means by which both ore and waste are movedin large open pit mines. Trucks are being loaded by a shovel, after which they drive either to the waste dump or to the processing site/in-pit crusher. The loading and hauling equipment should be matched to ens…See more on globalroadtechnology

How to Choose Open-pit Mining Equipment?

Open-pit mining is a project that extracts useful minerals from the earth's crust in an open environment using mining, tunneling, and transportation equipment, which mainly composed of drilling, blasting, excavating and loading and transportation.

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(PDF) Selecting the suitable loading-haulage …

Equipment selection in mining engineering is one of the most important decision that is affected the mine design, production planning and economic parameters in open pit mining.

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Advancing sustainability: An integrated decision support …

The final phase involves the development of a multi-criteria decision-making framework for the selection of loading/hauling equipment fleet for open pit mining construction. The development of this framework is based on the combination of the criteria weights and their associated utility scores. The steps will be explained in detail.

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12 Equipment Used in Land Preparation in Open Pit Mining

Open pit mining refers to a surface mining technique that works to extract minerals from the earth by dislodging them from an open pit. It is important to note that numerous steps come with …

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Equipment Selection for Open Pit Mining

There are five basic categories influencing equipment selection. These are tonnage requirements, material and waste, topography and property line consideration, resource control requirements, physical characteristics, and …

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Autonomous Operations Reshape Open-pit Mining | E & MJ

Caterpillar is also engaged with the International Council on Mining and Metals (ICMM) and its Innovation for Cleaner, Safer Vehicles (ICSV), which is an initiative that brings its members together with many of the world's largest OEMs, in a non-competitive space to accelerate the development of a new generation of mining vehicles and to improve existing ones.

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Recent Research Agendas in Mining Equipment …

By analysing the characteristics of open-pit mine production and haulage equipment types, problem definitions, formulation models and solution approaches in the relevant literature, the reviewed ...

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Capacity-based performance measurements for loading equipment in open

The purpose of this study is to develop an integrated framework for capacity analysis to address the influence of systematic hazardous factors on the haulage fleet nominal capacity. The proposed model was made to capture unexpected risks for mining equipment based upon data-driven method considering different scenarios. Probabilistic risk assessment (PRA) …

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Capacity-based performance measurements for loading equipment in open

2018. Mining industry is known for its appetite to spend sizeable capital on mine equipment. However, in the current scenario, the mining industry is challenged by daunting factors of non-uniform geological conditions, uneven ore grade, uncontrollable and volatile mineral commodity prices and the ever increasing quest to optimize the capital and operational costs.

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A Review of Mining and Loading Equipment Currently used for Open Pit

The author reviews the achievements made by China in the development of equipment for large open pit mines during the sixth Five Year Plan. Some suggestions on using new technology during the ...

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Equipment Selection for Open Pit Mining

When it comes to selecting the right equipment in open pit mining, bigger is not necessarily better. And the initial mobile equipment fleet selection is one of the most important as it will help determine the development of ramp gradients, cross-sections, the electric power network, and other factors.

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