Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2014)
Volume 4 (2013)
Volume 3 (2012)
Volume 2 (2011)
Volume 1 (2010)
Exploitation
CFD-based Modeling of Sarin Gas Dispersion in a Subway Station–A Hypothetical Scenario

M. Hosseini; H. Madani; K. Shahriar

Volume 13, Issue 1 , January 2022, , Pages 235-251

https://doi.org/10.22044/jme.2022.11604.2150

Abstract
  The main purpose of this work is modeling the dispersion of the sarin gas in a subway station in a hypothetical scenario. The dispersion is modeled using the CFD approach. In the analysis of the environmental conditions of the underground spaces, the only factor that draws a distinction between a subway ...  Read More

Exploitation
Risk assessment of Flyrock in Surface Mines using a FFTA-MCDM Combination

R. Norouzi Masir; M. Ataei; A. Mottahedi

Volume 12, Issue 1 , January 2021, , Pages 191-203

https://doi.org/10.22044/jme.2020.9107.1799

Abstract
  The drilling and blasting method is the first choice for rock breakage in surface or underground mines due to its high flexibility against variations and low investment costs. However, any method has its own advantages and disadvantages. The flyrock phenomenon is one of the drilling and blasting disadvantages ...  Read More

Exploitation
Dilution Risk Ranking in Underground Metal Mines using Multi-Attributive Approximation Area Comparison

M. Mohseni; M. Ataei; R. Khaloo Kakaie

Volume 11, Issue 4 , October 2020, , Pages 977-989

https://doi.org/10.22044/jme.2019.8506.1729

Abstract
  The contamination of ores with wastes or materials of lower than the cut-off grade is referred to as dilution. Dilution is an undesirable phenomenon that, on one hand, reduces the product grade and, consequently, reduces the sales prices and, on the other hand, adds an extra cost to waste production. ...  Read More

Exploitation
Application of Sequential Gaussian Conditional Simulation to Underground Mine Design Under Grade Uncertainty

F. Sotoudeh; M. Ataei; R. Kakaie; Y. Pourrahimian

Volume 11, Issue 3 , July 2020, , Pages 695-709

https://doi.org/10.22044/jme.2019.7333.1582

Abstract
  In mining projects, all uncertainties associated with a project must be considered to determine the feasibility study. Grade uncertainty is one of the major components of technical uncertainty that affects the variability of the project. Geostatistical simulation, as a reliable approach, is the most ...  Read More

Exploitation
A Mathematical Model to Optimize Allocation Sequence in Dispatching Problem

M. Ghobadi Samani; M. Monjezi; J. Khademi Hamidi; A. Mousavinogholi

Volume 11, Issue 1 , January 2020, , Pages 185-192

https://doi.org/10.22044/jme.2019.8721.1766

Abstract
  Truck-Shovel fleet, as the most common transportation system in open-pit mines, has a significant part of mining costs, for which optimal management can lead to substantial cost reductions. Among the available dispatch mathematical models, the multi-stage approach is well suited for allocating trucks ...  Read More

Exploitation
Studying Relationship between Coal Intrinsic Characteristics in Spontaneous Combustion of Coal Potential Using Crossing Point Temperature Test Method

A. Saffari; M. Ataei; F. Sereshki

Volume 11, Issue 1 , January 2020, , Pages 315-333

https://doi.org/10.22044/jme.2018.7524.1605

Abstract
  Spontaneous combustion of coal is one of the most horrifying hazards in coal industries, especially in underground coal mines. Thus having a prior knowledge about the occurrence of this phenomenon in underground coal mines is of crucial importance in preventing this process, loss of life, huge economic ...  Read More

Exploitation
Application of simulated annealing for optimization of blasting costs due to air overpressure constraints in open-pit mines

H. Bakhshandeh Amnieh; M. Hakimiyan Bidgoli; H. Mokhtari; A. Aghajani Bazzazi

Volume 10, Issue 4 , October 2019, , Pages 903-916

https://doi.org/10.22044/jme.2019.8084.1675

Abstract
  Estimating the costs of blasting operations is an important parameter in open-pit mining. Blasting and rock fragmentation depend on two groups of variables. The first group consists of mass properties, which are uncontrollable, and the second one is the drill-and-blast design parameters, which can be ...  Read More

Exploitation
Analysis of reliability and maintainability for multiple repairable units (Case study: Sungun copper mine)

R. Razzaghzadeh; R. Shakoor Shahabi; A. Nouri Qarahasanlou

Volume 10, Issue 4 , October 2019, , Pages 1045-1059

https://doi.org/10.22044/jme.2019.8646.1745

Abstract
  The appropriate operating of mining machines is affected by both the executive and environmental factors. Considering the effects and the related risks lead to a better understanding of the failures of such machines. This leads to a proper prediction of the reliability parameters of such machines. In ...  Read More

Exploitation
Use of a mixed integer programming model to achieve an optimum size of blast block in open-pit mining with regard to size of mineable block using fuzzy logic approach

A. Mozafari; A. H. Bangian Tabrizi; M. Taji; A. Parhizkar

Volume 10, Issue 4 , October 2019, , Pages 1095-1104

https://doi.org/10.22044/jme.2019.8786.1763

Abstract
  In this paper, we present an integrated model to find the optimum size of blast block that uses (i) a multi-criteria decision-making method to specify the applicable size of the mineable block; (ii) a linear programming method for the selection of the blasted areas to be excavated and in deciding the ...  Read More

Exploitation
Airflow inside tunnel boring machine: A numerical study and an experimental verification

H.R. Nezarat; Seyed M. E. Jalali; M. Nazari

Volume 10, Issue 3 , July 2019, , Pages 623-632

https://doi.org/10.22044/jme.2019.7614.1617

Abstract
  Knowledge of the airflow distribution inside a Tunnel Boring Machine (TBM) can create a safe working environment for workers and machinery. The airflow quality and the related mass flow rate in the ventilation system should be sufficient to dilute gases and remove dust inside the tunnel. In this work, ...  Read More

Exploitation
Analysis of a possible root cause and mechanism for Soma mine disaster

B. Ünver; M.S. Ünal

Volume 10, Issue 1 , January 2019, , Pages 1-26

https://doi.org/10.22044/jme.2018.7391.1594

Abstract
  A daunting mine disaster took place in 13 May 2014 at Soma and 301 men lost their lives. Brief information about the Eynez coal mine and some of the inherent characteristics of the field in terms of their effects on mining are presented. This paper basically concentrates on the factors that played an ...  Read More

Exploitation
A new classification system for evaluation and prediction of unplanned dilution in cut-and-fill stoping method

M. Mohseni; M. Ataei; R. Khaloo Kakaie

Volume 9, Issue 4 , October 2018, , Pages 873-892

https://doi.org/10.22044/jme.2018.6483.1468

Abstract
  Production planning in mineral exploitation should be undertaken to maximize exploited ore at a minimum unplanned dilution. Unplanned dilution reduction is among the ways to enhance the quality of products, and hence, reduce the associated costs, resulting in a higher profit. In this way, firstly, all ...  Read More

Exploitation
Determination and assessment of coal bed methane potential using rock engineering systems

K. Ghanbari; M. Ataei; F. Sereshki; A. Saffari

Volume 9, Issue 3 , July 2018, , Pages 605-621

https://doi.org/10.22044/jme.2018.6649.1486

Abstract
  The presence of methane in coal mines is one of the major problems in underground coal mines. Every year, in underground coal mines, a lot of casualties due to outbursts and explosions of methane gas is occurring. Existence of this gas in the mines not only creates a difficult and dangerous situation ...  Read More

Exploitation
Estimation of coal seams gas content for evaluating potential use of methane drainage system in Tabas coal mine

M. Mohtasham Seyfi; J. Khademi Hamidi; M. Monjezi; A. Hosseini

Volume 9, Issue 3 , July 2018, , Pages 667-677

https://doi.org/10.22044/jme.2018.6783.1501

Abstract
  Methane gas emission, accumulation, and explosion are the most important risk factors in underground coal mines. Hence, having a knowledge of methane gas emission potential in underground coal mines is of crucial importance in preventing the explosion risk, loss of life, and property, and providing miners' ...  Read More

Exploitation
Prediction of the main caving span in longwall mining using fuzzy MCDM technique and statistical method

S. Mohammadi; M. Ataei; R. Khaloo Kakaie; A. Mirzaghorbanali

Volume 9, Issue 3 , July 2018, , Pages 717-726

https://doi.org/10.22044/jme.2018.6715.1492

Abstract
  Immediate roof caving in longwall mining is a complex dynamic process, and it is the core of numerous issues and challenges in this method. Hence, a reliable prediction of the strata behavior and its caving potential is imperative in the planning stage of a longwall project. The span of the main caving ...  Read More

Exploitation
Application of VENTSIM 3D and mathematical programming to optimize underground mine ventilation network: A case study

S. Maleki; F. Sotoudeh; F. Sereshki

Volume 9, Issue 3 , July 2018, , Pages 741-752

https://doi.org/10.22044/jme.2018.6793.1503

Abstract
  Ventilation is a vital component of an underground mining operation, used to guarantee a safe atmosphere for workers and survive them from the hazardous and toxic gases. In the recent years, engineers have begun to apply new operation research techniques in order to optimize the ventilation systems to ...  Read More

Exploitation
Estimation of reliability-based maintenance time intervals of Load-Haul-Dumper in an underground coal mine

J. Balaraju; M. Govinda Raj; C.H.S.N. Murthy

Volume 9, Issue 3 , July 2018, , Pages 761-770

https://doi.org/10.22044/jme.2018.6813.1508

Abstract
  Reliability estimation plays a significant role in the performance assessment of mining equipment, and aids in designing efficient and effective preventive maintenance strategies. Continuous and random/irregular occurrence of failures in a system could be the main cause for performance drop of machinery. ...  Read More

Exploitation
Application of stochastic programming for iron ore quality control

J. Gholamnejad; A. Azimi; M.R. Teymouri

Volume 9, Issue 2 , April 2018, , Pages 331-338

https://doi.org/10.22044/jme.2018.5952.1409

Abstract
  Stockpiling and blending play a major role in maintaining the quantity and quality of the raw materials fed into processing plants, especially the cement, iron ore and steel making, and coal-fired power generation industries that usually require a much uniformed feed. Due to the variable nature of such ...  Read More

Exploitation
A practical approach to open-pit mine planning under price uncertainty using information gap decision theory

M. M. Tahernejad; M. Ataei; R. Khalokakaie

Volume 9, Issue 2 , April 2018, , Pages 527-537

https://doi.org/10.22044/jme.2017.6220.1439

Abstract
  In the context of open-pit mine planning, uncertainties including commodity price would significantly affect the technical and financial aspects of mining projects. A mine planning that takes place regardless of the uncertainty in price just develops an optimized plan at the starting time of the mining ...  Read More

Exploitation
Simulation of tunnel boring machine utilization: A case study

S. Moosazadeh; H. Aghababaie; Seyed H. Hoseinie; B. Ghodrati

Volume 9, Issue 1 , January 2018, , Pages 53-60

https://doi.org/10.22044/jme.2017.5707.1384

Abstract
  Utilization is one of the main managerial factors that is applied for construction process analysis well. It directly affects the project duration and construction costs. Therefore, a utilization study in tunneling projects is essential. In this work, the utilization of an earth pressure balance Tunnel ...  Read More

Exploitation
UPL determination of multi-element deposits with grade uncertainty using a new block economic value calculation approach

M. Jamshidi; M. Osanloo

Volume 9, Issue 1 , January 2018, , Pages 61-72

https://doi.org/10.22044/jme.2017.5763.1387

Abstract
  The block economic value (BEV) of a single-metal deposit is calculated based on the metal content and the related costs. The common methods available for calculating BEV are just based upon the profitable elements, and the effects of undesirable elements on BEV are not considered. However, in multi-element ...  Read More

Exploitation
Development of a site-specific regression model for assessment of road-header cutting performance of Tabas coal mine based on rock properties

E. Ghasemi

Volume 8, Issue 4 , October 2017, , Pages 663-672

https://doi.org/10.22044/jme.2017.955

Abstract
  In underground excavation, where the road-headers are employed, a precise prediction of the road-header performance has a vital role in the economy of the project. In this paper, a new model is developed for prediction of the road-header performance using the non-linear multivariate regression analysis. ...  Read More

Exploitation
Development of a goal programming model for optimization of truck allocation in open pit mines

M. Mohtasham; H. Mirzaei Nasirabad; A. Mahmoodi Markid

Volume 8, Issue 3 , July 2017, , Pages 359-371

https://doi.org/10.22044/jme.2017.859

Abstract
  Truck and shovel operations comprise approximately 60% of the total operating costs in open pit mines. In order to increase productivity and reduce the cost of mining operations, it is essential to manage the equipment used with high efficiency. In this work, the chance-constrained goal programing (CCGP) ...  Read More

Exploitation
Optimal production strategy of bimetallic deposits under technical and economic uncertainties using stochastic chance-constrained programming

E. Bakhtavar; A. Jafarpour; S. Yousefi

Volume 8, Issue 3 , July 2017, , Pages 475-485

https://doi.org/10.22044/jme.2017.934

Abstract
  In order to catch up with reality, all the macro-decisions related to long-term mining production planning must be made simultaneously and under uncertain conditions of determinant parameters. By taking advantage of the chance-constrained programming, this paper presents a stochastic model to create ...  Read More

Exploitation
Determination of a suitable extraction equipment in mechanized longwall mining in steeply inclined coal seams using fuzzy analytical hierarchy method (Case study: Hamkar coal mine, Iran)

A. Hosseini; M. Najafi; Seyed A. Shojaatlhosseini; R. Rafiee

Volume 8, Issue 3 , July 2017, , Pages 487-499

https://doi.org/10.22044/jme.2017.847

Abstract
  The longwall mining method is one of the most applied methods in extracting low-inclined to high-inclined coal seams. Selection of the most suitable extraction equipment is very important in the economical, safety, and productivity aspects of mining operations. There are a lot of parameters affecting ...  Read More