Simulation-Based Multiobjective Optimization of Open-Pit Mine Haulage
A large number of engineering problems involve several conflicting objectives, which today are often solved through expensive simulation calculations. Methods based on meta-models are one of the approaches to solving this group of problems. In this paper, multiobjective optimization in the extraction system of a copper …
Optimization of Truck–Loader Matching Based on a Simulation Method …
The transportation system of a large underground mine is a complex dynamic system influenced by multiple links, processes, and equipment. Transportation methods include trackless haulage, rail haulage, …
Optimization of haulage-truck system performance for ore …
Therefore, this study proposes an unsupervised intelligent system for predicting the performance of a truck-haulage system in the ore transportation process …
Development of an Underground Haulage System Evaluation …
The paper introduces a simulation tool of main haulage system in underground mining. Therefore, performances and the costs of the three most common …
Open Pit Mining | IntechOpen
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. It often results in high productivity and requires large capital investments, low operating costs, and good safety conditions. The main …
(PDF) Selecting the suitable loading-haulage equipment in …
solving open pit mining equipment selection. problems. The proposed approach is developed within. the AHP framework consisting of (1) hierarchy developments, (2) fuzzy pairwise. comparisons and (3 ...
The use of discrete event simulation for underground haulage …
The selection of equipment for haulage in underground mines is a challenge due to its impact on both production rates and costs. The selected equipment should create an optimal match for the complete system and the point when equipment is to be added or replaced needs to be identified before the change is made. The use of …
Recent Research Agendas in Mining Equipment …
Compared with customary decision-making methods such as FAHP, the proposed method has a better performance in equipment selection analysis. Owusu-Mensah and Musingwini [ 89 ] applied the AHP method to evaluate four open-pit haulage modes consisting of mining trucks (contractor or mine-owned) and conveyors (surface or …
Surface and Underground Excavations: Methods, Techniques and Equipment
13.13.3 Design consideration of rock pass/ore pass 13.14 The way forward Questions References . 14 Shaft sinking 14.1 Introduction 14.2 Location 14.3 Preparatory work required 14.4 Sinking appliances, equipment and services 14.5 Sinking methods and procedure 14.6 Reaching up to the rock head 14.6.1 Pre-sink 14.7 Sinking through the rock
Mucking and hauling
Information. The muck is hauled from the stope to an orepass with a scooptram. Most of the mucking is done with remote control equipment. The ore is loaded into mine cars on the main haulage level, and is transported to the main orepass and hoisted to surface. EQUIPMENT. 3.5-yd Elphinstone scooptram.
Optimization of truck-loader haulage systems in an …
Abstract This study developed a program to simulate a haulage system with trucks and loaders for an underground mine using the GPSS/H simulation language. The Daesung MDI limestone mine located in Korea was selected as the study area. Using the developed program and parameter values determined by a field survey, simulations of …
Rescheduling Plan Optimization of Underground Mine Haulage Equipment …
The application of the proposed method in an underground mine revealed that the completion rate of the mine's daily mining plan reached 83.40% without increasing the amount of equipment, while ...
Sensors | Free Full-Text | Haulage Cycles Identification for …
The task of ore transportation is performed in all mines, regardless of their type (open pit/underground) or mining process. A substantial number of enterprises utilize wheeled machines to perform ore haulage, especially haul trucks and loaders. These machines' work consists of repeating cycles, and each cycle can be divided into 4 …
Underground Mining Transportation & Haulage Systems
For the purpose of this discussion, "transportation" signifies the operations involved in transporting ore and waste from the face or stope where it is broken to the surface but not … See more
Techniques in Underground Mining
There are underground mines all over the world presenting a kaleidoscope of methods and equipment. There are approximately 650 underground mines, each with an annual output that exceeds 150,000 …
Methods & Equipment Associates
Methods & Equipment Associates has been serving Michigan Manufacturers in the Metal Cutting Industry since 1962. As a full service machine tool distributor of fine quality, high precision CNC machine tools, Methods & Equipment Associates provides optimum, engineered solutions for CNC Milling, CNC Turning, CNC Swiss Turning, Multi Spindle …
ore haulage methods equipment
The dominant haulage method in surface mining is mine trucks, typically large offroad trucks with haulage capacities of up to 360 tons (Fig 11)Some open pits use railroad haulage or belt conveyors, the latter also frequently being used in conjunction with bucket–wheel excavators (Fig 16), in operations where extremely large volumes of every ...
Deep Neural Network for Ore Production and Crusher Utilization
A new method using a deep neural network (DNN) model is proposed to predict the ore production and crusher utilization of a truck haulage system in an underground mine.
Resuing-and-Filling Mining Method | SpringerLink
Resuing-and-filling mining is the process in which the ore and surrounding rock are broken during the stoping of the inclined ore body, the collected ores are transported out of the stope, and the broken waste rocks are used to fill the goaf area to support the surrounding rock and build the working bench for further mining (Fig. …
Estimating Ore Production in Open-pit Mines Using Various …
13 Citations. Explore all metrics. Abstract. This study aimed to develop and assess the feasibility of different machine learning algorithms for predicting ore …
Underground Mining Methods and Equipment
Ore is loaded into underground equipment and transferred to orepasses, wher e the ore is dumped. A drawpoint or chute is usually situated at the outlet of the pass on the lower level, where the ore is loaded and transported to the underground ore bins or direc tly to the main haulage level. Finally, ore
Research on the transportation and flow characteristics of …
At present, according to different ore lifting pipes and equipment, the hydraulic lifting methods can be divided into slurry pump hydraulic lifting method …
Application of cubist algorithm, multi-layer perceptron
To date, many researchers have conducted studies to optimize the variables of the haulage system or to predict ore production, which is one of the major performance indicators. Researchers have implemented a variety of deterministic and stochastic simulation models to solve the problem of determining the equipment required for a …
Deep Neural Network for Predicting Ore Production by …
for realizing e ective truck-haulage systems designs. The allocation phase in the simulation of truck-haulage systems involves selecting the type, size, number, and payload of fleets suitable for use in haulage operations. This is followed by a dispatch phase that assigns trucks to a specific shovel by considering ore production and equipment ...
Optimization of haulage-truck system performance for ore production …
Ore haulage systems are considered critical when evaluating the efficiency of the investment and design of open-pit mines. ... Several studies have been actively conducted to optimize the combination of equipment and operational methods employed in transport systems by applying mathematical methods or simulation techniques (Lee …
Ore Haulage
Optimizing Traditional Haulage Methods Flexibility and low investment costs are among the principal benefits of truckbased haulage. Units can be easily moved from location to location, without permanent infrastructure that, for example, skip or rail-based solutions require. They also offer redundancy in the case of breakdowns.
Minerals | Free Full-Text | Alternative Process Flow …
As the near surface deposits are being mined out, underground mines will increasingly operate at greater depths. This will increase the challenges related to transporting materials from deeper …
Ore Handling | SpringerLink
Ore Handling. It is the process of handling ores from stoping face to haulage level. According to the main acting force exerted on the ores and handling equipment in the process, the ore handling is classified into gravitational, mechanical, explosive, and hydraulic handling. The first two types are applied widely.
Loading-haulage equipment selection in open pit mines …
equipment selection in surface mines and proposed by bascetinn et al (Bascetin et al. 2006). Application of AHP-TOPSIS method for loading-haulage equipment selection in open pit mines was used by ...
Optimising Productivity and Safety of the Open Pit Loading and Haulage
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 …