Volume 15 (2024)
Volume 14 (2023)
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)
Influence of Single Tunnel and Twin Tunnel on Collapse Pattern and Maximum Ground Movement

V. Sarfarazi; K. Asgari

Volume 13, Issue 1 , January 2022, , Pages 117-128

https://doi.org/10.22044/jme.2021.11088.2085

Abstract
  Particle Flow Code in Two Dimensions (PFC2D) was used in order to examine the influence of single tunnel and twin tunnel on the collapse pattern and maximum ground movement. Since first PFC was calibrated by the experiments, the results obtained were rendered by a uniaxial test. Further, a rectangular ...  Read More

Mineral Processing
Effects of Flocculant, Surfactant, Coagulant, and Filter Aid on Efficiency of Filtration Processing of Copper Concentrate: Mechanism and Optimization

A.H. Rezaei; H. Abdollahi; M. Gharabaghi; A. A. Mohammadzadeh

Volume 11, Issue 1 , January 2020, , Pages 119-141

https://doi.org/10.22044/jme.2019.8692.1753

Abstract
  In the recent decades, water scarcity has become a major challenge for many reasons, especially the inadequate use of water resources. The mineral processing plant is among the most important water-consuming industries. Filtration, as one of the important processes in water recovery, is a process in ...  Read More

Exploration
Geological Mapping and Facies Characterization of Miocene Evaporites along Central-eastern Margin of Gulf of Suez Rift by Remote Sensing Techniques

Eman M. Kamel; Mohamed S.H. Hammed; Osama E.A. Attia

Volume 15, Issue 1 , January 2024, , Pages 151-173

https://doi.org/10.22044/jme.2023.13560.2505

Abstract
  In the recent years, the use of ASTER and Landsat data have become prevalent for mapping different types of rock formations. Specifically, this study utilizes ASTER (L1B) and Landsat 8 (AOL) images to map outcrops of various gypsum facies in Ras Malaab area of west-central Sinai. These gypsum facies ...  Read More

Numerical assessment of influence of confining stress on Kaiser effect using distinct element method

M. Nikkhah

Volume 8, Issue 2 , April 2017, , Pages 215-226

https://doi.org/10.22044/jme.2016.674

Abstract
  Nowadays acoustic emission (AE) testing based on the Kaiser Effect (KE) is increasingly used to estimate the in-situ stress in laboratories. In this work, this effect is assessed on cylindrical specimens in numerical simulations of the cyclic loadings including loading, unloading, and re-loading cycles ...  Read More

Exploitation
Application of spectrum-volume fractal modeling for detection of mineralized zones

H. Khalili; P. Afzal

Volume 9, Issue 2 , April 2018, , Pages 371-378

https://doi.org/10.22044/jme.2018.6285.1451

Abstract
  The main goal of this research work was to detect the different Cu mineralized zones in the Sungun porphyry deposit in NW Iran using the Spectrum-Volume (S-V) fractal modeling based on the sub-surface data for this deposit. This operation was carried out on an estimated Cu block model based on a Fast ...  Read More

Rock Mechanics
Impact of gasoline contamination on mechanical behavior of sandy clay soil

M. H. Askarbioki; F. Kargaran Bafghi; M. Mokhtari; M. Khaleghi

Volume 10, Issue 2 , April 2019, , Pages 389-399

https://doi.org/10.22044/jme.2019.7660.1622

Abstract
  Oil leakage causes soil contamination and induces changes in the physical and mechanical properties of soils. In areas contaminated with oil products such as gasoline, the implementation of civilian operations requires determination and prediction of soil behavior in the existing conditions. In this ...  Read More

Optimizing Extreme Learning Machine Algorithm using Particle Swarm Optimization to Estimate Iron Ore Grade

M. Fathi; A. Alimoradi; H.R. Hemati Ahooi

Volume 12, Issue 2 , April 2021, , Pages 397-411

https://doi.org/10.22044/jme.2021.10368.1984

Abstract
  Scientific uncertainties make the grade estimation very complicated and important in the metallic ore deposits. This paper introduces a new hybrid method for estimating the iron ore grade using a combination of two artificial intelligence methods; it is based on the single layer-extreme learning machine ...  Read More

A New 3D Model for Shear Wave Velocity by Utilizing Conventional Petrophysical Logs and Geostatistical Method

Sh. Maleki; H. R. Ramazi; M. J. Ameri Shahrabi

Volume 13, Issue 2 , April 2022, , Pages 431-447

https://doi.org/10.22044/jme.2022.11462.2134

Abstract
  Shear wave velocity (Vs) is considered as a key parameter in determination of the subsurface geomechanical properties in any hydrocarbon-bearing reservoir. During a well logging operation, the magnitude of Vs can be directly measured through the dipole shear sonic imager (DSI) logs. On a negative note, ...  Read More

Exploitation
Prediction of dispersed mineralization zone in depth using frequency domain of surface geochemical data

H. Shahi

Volume 8, Issue 3 , July 2017, , Pages 433-446

https://doi.org/10.22044/jme.2017.912

Abstract
  Discrimination of the blind and dispersed mineralization deposits is a challenging problem in geochemical exploration. The frequency domain (FD) of the surface geochemical data can solve this important issue. This new exploratory information can be achieved using the interpretation of FD of geochemical ...  Read More

Rock Mechanics
Study of Damaged Zone around Circular Opening Using Acoustic Emission Technique

A. Dadi-givshad; M. Ahmadi; H. R. Nejati

Volume 11, Issue 2 , April 2020, , Pages 433-451

https://doi.org/10.22044/jme.2020.7864.1650

Abstract
  One of the methods used to investigate the damaged zone in rock structure is the acoustic emission method. This method is based on receiving the elastic waves that are produced by deformation and cracking of the rock mass around the underground excavation. In this research, a study is conducted on the ...  Read More

Analysis of Granite Failure Modes and Energy Conversion under Uniaxial Compression at Various Temperatures

kausar Sultan shah; Naeem Abbas; Li Kegang; Mohd Hazizan bin Mohd Hashim; Hafeez Ur Rehman; Khan Gul Jadoon

Volume 14, Issue 2 , April 2023, , Pages 493-506

https://doi.org/10.22044/jme.2023.12870.2336

Abstract
  The rocks in the studied area are prone to deterioration and failure due to frequent exposure to extreme temperature variations and loading conditions. In the context of rock engineering reliability assessment, understanding the energy conversion process in rocks is critical. Therefore, this research ...  Read More

Environment
Ecological Risk Analysis of Stream Sediments Data and Impact on Aquatic Biota around Mining and Agricultural Regions

Gregory Udie Sikakwe; Samuel Adebayo Ojo; Andrew Aondover Tyopine

Volume 15, Issue 2 , April 2024, , Pages 517-536

https://doi.org/10.22044/jme.2023.13781.2559

Abstract
  Potentially harmful elements enter into the environment through mining and agricultural activities, causing water and stream sediment pollution.  Ecological risk analysis helps to determine sediment pollution, to recommend remediation measures for human health safety and the survival of aquatic ...  Read More

Exploitation
Determination of geochemical anomalies and gold mineralized stages based on litho-geochemical data for Zarshuran Carlin-like gold deposit (NW Iran) utilizing multi-fractal modeling and stepwise factor analysis

F. Aliyari; P. Afzal; J. Abdollahi Sharif

Volume 8, Issue 4 , October 2017, , Pages 593-610

https://doi.org/10.22044/jme.2017.5252.1340

Abstract
  The Zarshuran Carlin-like gold deposit is located at the Takab Metallogenic belt in the northern part of the Sanandaj-Sirjan zone, NW Iran. The high-grade ore bodies are mainly hosted by black shale and cream to gray massive limestone along the NNE-trending extensional fault/fracture zones. The aim of ...  Read More

Mineral Processing
Distribution of trace elements in coal and coal fly ash and their recovery with mineral processing practices: A review

I. Kursun Unver; M. Terzi

Volume 9, Issue 3 , July 2018, , Pages 641-655

https://doi.org/10.22044/jme.2018.6855.1518

Abstract
  Today coal is among the most important energy sources. In order to meet the world's energy demands, low-calorie lignite with a high ash content is generally used in the large capacity coal-fired thermal power plants. As a result of coal firing, wastes such as fly ash, slag, and flue gas are also produced. ...  Read More

Exploitation
Fuzzy tonnage-average grade model based on extension principle

S. Soltani-Mohammadi; A. Soltani; B. Sohrabian

Volume 10, Issue 3 , July 2019, , Pages 659-666

https://doi.org/10.22044/jme.2019.7845.1646

Abstract
  Due to the nature of the geological and mining activities, different input parameters in the grade estimation and mineral resource evaluation are always tainted with uncertainties. It is possible to investigate the uncertainties related to the measurements and parameters of the variogram model using ...  Read More

Support Analysis of Main Tunnels in Tabas Mechanized Parvadeh Mine at Intersection with Coal Seam

F. Abbasi; M.H. Khosravi; A. Jafari; Ali Bashari; B. Alipenhani

Volume 12, Issue 3 , July 2021, , Pages 711-724

https://doi.org/10.22044/jme.2021.10610.2014

Abstract
  The instability of the roof and walls of the tunnels excavated in coal mines has always attracted the attention of the miners and experts in this field. In this work, the instability of the main tunnels of the mechanized Parvadeh coal mine in Tabas, Iran, at the intersection with coal seam is studied. ...  Read More

Determining Priority of Risk Factors in Technological Zones of Longwalls

Serhii Hryhorovych Nehrii; Tetiana Oleksandrivna Nehrii; Oksana Viktorivna Zolotarova; Valentyn Anatolyovich Glyva; Andrii Mykolaiovych Surzhenko; Oksana Mykolaivna Tykhenko; Nataliia Burdeina

Volume 13, Issue 3 , July 2022, , Pages 751-765

https://doi.org/10.22044/jme.2022.12142.2216

Abstract
  The studies of risk factors on which the safety of miners depends are relevant. These factors include temperature and air velocity within roadways, relative air humidity, dust, noise and vibration, lighting, clutter, limited working space, the difficulty of work, and the collapse of roof rocks. Their ...  Read More

Comparison of Copper Dissolution in Chalcopyrite Concentrate Bioleaching with Acidianus Brierleyi in Different Initial pH Values

M. R. Samadzadeh Yazdi; M. Abdollahi; S. M. Mousavi; A. Khodadadi Darban

Volume 11, Issue 3 , July 2020, , Pages 753-764

https://doi.org/10.22044/jme.2020.9447.1853

Abstract
  Although bioleaching of chalcopyrite by thermophilic microorganisms enhances the rate of copper recovery, a high temperature accelerates iron precipitation as jarosite, which can bring many operational problems in the industrial processes. In this research work, the bioleaching of chalcopyrite concentrate ...  Read More

The Efficiency of Clay-Based Adsorbent in Fluoride Removal from Groundwater: Adsorption Process

Patrick MUHIZI

Volume 14, Issue 3 , July 2023, , Pages 839-851

https://doi.org/10.22044/jme.2023.12933.2348

Abstract
  Excessive amounts of fluoride present in underground water sources are a major health concern worldwide. This study presents a new way to address the global health issue of high fluoride concentrations in groundwater using the abundantly available and cost-effective adsorbent material activated kaolinite ...  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
Characterization of rare earth elements by coupling multivariate analysis, factor analysis, and geostatistical simulation; case-study of Gazestan deposit, central Iran

F. Soltani; P. Moarefvand; F. Alinia; P. Afzal

Volume 10, Issue 4 , October 2019, , Pages 929-945

https://doi.org/10.22044/jme.2019.8374.1716

Abstract
  The traditional approaches of modeling and estimation of highly skewed deposits have led to incorrect evaluations, creating challenges and risks in resource management. The low concentration of the rare earth element (REE) deposits, on one hand, and their strategic importance, on the other, enhances ...  Read More

Effect of Confining Pressure on Is(50) Obtained by Point Load Test

V. Sarfarazi; K. Asgari

Volume 12, Issue 4 , October 2021, , Pages 1019-1028

https://doi.org/10.22044/jme.2021.10918.2070

Abstract
  In this investigation, the impact of confining pressure on the tensile strength obtained by point load test (PLT) is examined by particle flow code in two dimensions. In this regard, at first, a numerical model is calibrated using the Brazilian experimental test results. The tensile strength of the model ...  Read More

Exploration
Site Response Analysis and Empirical Correlations between N-Values and Shear Modulus for Sub-Himalayan District Hamirpur using ProShake

Vivek Sharma; Ravi Kumar Sharma; Pardeep Kumar

Volume 13, Issue 4 , October 2022, , Pages 1031-1047

https://doi.org/10.22044/jme.2022.12350.2241

Abstract
  In the present work, the empirical correlations between standard penetration test (SPT) N-values  versus  shear modulus (Gmax), and Peak Ground Acceleration (PGA) amplifications for sub-Himalayan district-Hamirpur, Himachal Pradesh (India) consisting of highly variable soil/rock strata at different ...  Read More

First Finding of Satin Spar Gemstone in Iran, Folded Zagros Zone, Fars Region

A. Zolfaghari; N. Barzegar; M. Amini

Volume 11, Issue 4 , October 2020, , Pages 1039-1046

https://doi.org/10.22044/jme.2020.9644.1877

Abstract
  The gypsum mineralization occurred in the form of Satin Spar and Selenite in the south and southwest of the Fars province in the folded Zagros zone. In this region, Satin Spar mineralization has been formed as stratiform between the red marl and siltstone units of Late Miocene–Pliocene in Agha ...  Read More

Environment
A Rule-based Expert System for Selection of Rehabilitation Strategies for Abandoned Mines in South Africa

Sphiwe Emmanuel EMMANUEL Mhlongo; Francis Amphose Dacosta; Armstrong Kadyamatimba; George O Akintola

Volume 14, Issue 4 , October 2023, , Pages 1171-1181

https://doi.org/10.22044/jme.2023.13255.2429

Abstract
  South Africa has 6100 documented abandoned mines. The government is responsible for the management and rehabilitation of these mines to address their environmental problems, physical hazards, and socio-economic issues. In general, rehabilitating abandoned mines involves making a series of critical decisions ...  Read More