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)
Original Research Paper
Ore Deposit Boundary Modification in Afghanistan Aynak Central Copper Deposit using Sequential Indicator Simulation and Indicator Kriging

Shah H. Shafayi; F. Mohammad Torab

Volume 13, Issue 2 , April 2022, Pages 325-340

https://doi.org/10.22044/jme.2022.11557.2142

Abstract
  The Aynak copper deposit is the most important strata-bound copper reserve in Afghanistan. The main purpose of this work is the ore deposit boundary modification and reserve estimation of the Aynak central copper deposit using the geostatistical methods. The ordinary kiging (OK), indicator kriging (IK) ...  Read More

Original Research Paper
Evaluating Microscale Failure Response of Various Weathering Grade Sandstones Based on Micro-Scale Observation and Micro-Structural Modelling Subjected to Wet and Dry Cycles

Kausar Sultan shah; Mohd Hazizan bin Mohd Hashim; Hafeez Ur Rehman; Kamar shah bin Ariffin

Volume 13, Issue 2 , April 2022, Pages 341-355

https://doi.org/10.22044/jme.2022.11699.2160

Abstract
  The significance of rock failure can be found from the fact that microfracture genesis and coalescence in the rock mass results in macroscale fractures. Rock may fail due to an increase in the local stress, natural fractures, weathering inducing micro-crack genesis, coalescence, and propagation. Therefore, ...  Read More

Case Study
Suitable Mining Method Selection using HFGDM-TOPSIS Method: a Case Study of an Apatite Mine

Myong Chun Pak; Un Chol Han; Dong Il Kim

Volume 13, Issue 2 , April 2022, Pages 357-374

https://doi.org/10.22044/jme.2022.11713.2163

Abstract
  Mining Method Selection (MMS) is the first and the most critical problem in mine design, and depends on some parameters such as the geo-technical and geological features and economic factors. The factors affecting MMS are determined by some mining experts, and the most suitable mining method is selected ...  Read More

Original Research Paper
Developing New Models for Flyrock Distance Assessment in Open-Pit Mines

J. Shakeri; H. Amini Khoshalan; H. Dehghani; M. Bascompta; K. Onyelowe

Volume 13, Issue 2 , April 2022, Pages 375-389

https://doi.org/10.22044/jme.2022.11805.2170

Abstract
  In this research work, a comprehensive study is conducted to predict flyrock as a typical and undesirable phenomenon occurring during the blasting operation in open-pit mining. Despite the availability of several empirical methods for predicting the flyrock distance, the complexity of flyrock analysis ...  Read More

Original Research Paper Exploitation
Prediction of Fly-rock using Gene Expression Programming and Teaching–learning-based Optimization Algorithm

R. Shamsi; M. S. Amini; H. Dehghani; M. Bascompta; B. Jodeiri Shokri; Sh. Entezam

Volume 13, Issue 2 , April 2022, Pages 391-406

https://doi.org/10.22044/jme.2022.11825.2171

Abstract
  This paper attempted to estimate the amount of flyrock in the Angoran mine in Zanjan province, Iran using the gene expression programming (GEP) predictive technique. The input data, including flyrock, mean depth of the hole, powder factor, stemming, explosive weight, number of holes, and booster were ...  Read More

Original Research Paper
Interaction between One Internal Hole and Two Neighboring Joints under Uniaxial Compression using an Experimental Test and a Numerical Simulation

V. Sarfarazi; K. Asgari; Sh. Mohamadi Bolban Abad

Volume 13, Issue 2 , April 2022, Pages 407-420

https://doi.org/10.22044/jme.2021.11157.2095

Abstract
  The interaction between an internal hole and two surrounded joints under a uniaxial compression are examined using the experimental and discrete element procedures. Inside the concrete sample, two notches and an internal hole are created. The joint angle change from 0° to 90° with an increment ...  Read More

Original Research Paper
Mechanism of Zinc Complexation by Alkaline Ligands: A Molecular Modelling Study

D. Alavi; S. Mohammadnejad; Seyed M. J. Koleini

Volume 13, Issue 2 , April 2022, Pages 421-430

https://doi.org/10.22044/jme.2022.11417.2123

Abstract
  In this work, the mechanism of zinc hydroxide and ammine complexation in caustic and ammonia leaching is investigated by molecular modelling using the density functional theory method. The speciation of zinc complexes is defined based on the thermodynamic data and Pourbiax diagrams. The mechanism of ...  Read More

Original Research Paper
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

Case Study
Estimation of Pb and Zn Elements using Adaptive Neuro-Fuzzy Inference System (Case study: Gerde Kooh area, north of Yazd)

Sh. Rezaei; A. Imam Ali Pour

Volume 13, Issue 2 , April 2022, Pages 449-464

https://doi.org/10.22044/jme.2022.11540.2140

Abstract
  In the recent years, according to the difficulty of accurately measuring parameters and demarcation of earth sciences, attempts have been made to simplify the natural events for better investigation using geo-modelling. Modeling with intelligent methods is one of the new methods that has been considered ...  Read More

Original Research Paper
Application of Machine Learning Models for Predicting Rock Fracture Toughness Mode-I and Mode-II

E. Emami Meybodi; Syed Kh. Hussain; M. Fatehi Marji; V. Rasouli

Volume 13, Issue 2 , April 2022, Pages 465-480

https://doi.org/10.22044/jme.2022.11596.2148

Abstract
  In this work, the machine learning prediction models are used in order to evaluate the influence of rock macro-parameters (uniaxial compressive strength, tensile strength, and deformation modulus) on the rock fracture toughness related to the micro-parameters of rock. Four different types of machine ...  Read More

Original Research Paper
Selective Recovery of Pt, Pd, and Rh from Spent Catalysts by Functionalized Magnetite Nanoparticles

M. Hasani

Volume 13, Issue 2 , April 2022, Pages 481-491

https://doi.org/10.22044/jme.2022.11652.2154

Abstract
  Selective recovery of platinum group metals including Pt, Pd, and Rh from the spent automobile catalysts is investigated by functionalized magnetite nanoparticles as a novel adsorbent. Magnetite nanoparticles are synthesized by co-precipitation of ferrous and ferric salts with ammonium hydroxide, and ...  Read More

Original Research Paper
CFD Modeling of Impact of Gas Content Uncertainty on Methane Distribution in Underground Coal Mine Roadways

Sh. Rahimi; M. Ataee-pour; H. Madani

Volume 13, Issue 2 , April 2022, Pages 493-502

https://doi.org/10.22044/jme.2022.11696.2158

Abstract
  Methane has been known as a safety risk for the coal mining activities. Accordingly, one can mitigate this risk, and hence, the level of hazard to which the mining workers are exposed, by predicting the possible exceedance of allowable methane dosage should be provided with a reliable information on ...  Read More

Original Research Paper
Delineation of Iron Alteration Zones using Spectrum-Area Fractal Model and TOPSIS Decision-Making Method in Tarom Metallogenic Zone, NW Iran

M. M. Pourgholam; P. Afzal; A. Adib; K. Rahbar; M. Gholinejad

Volume 13, Issue 2 , April 2022, Pages 503-525

https://doi.org/10.22044/jme.2022.11770.2168

Abstract
  Signal analysis approaches are a powerful and widely used tool in processing multi-spectral satellite images for detection of alteration zones. The main goal of this work is application of the spectrum-area fractal methodology based on the Landsat 8 OLI satellite images’ data for separation alteration ...  Read More

Original Research Paper
Adsorptive Study of Cadmium Removal from Aqueous Solution Using a Coal Waste Loaded with Fe3O4 Nanoparticles

S. Mirshrkari; V. Shojaei; H. Khoshdast

Volume 13, Issue 2 , April 2022, Pages 527-545

https://doi.org/10.22044/jme.2022.11796.2174

Abstract
  A coal waste sample loaded with Fe3O4 nanoparticles is employed as an efficient adsorbent to remove Cd from synthetic wastewater. The synthesized nanocomposite is characterized using the Fourier transform-infrared (FT-IR), X-ray diffraction (XRD), and transmission electron microscopy (TEM) techniques. ...  Read More

Original Research Paper Exploration
A Practical Comparison between Gaussian and Direct Sequential Simulation Algorithms using a 3D Porosity Dataset

H. Sabeti; F. Moradpouri

Volume 13, Issue 2 , April 2022, Pages 547-557

https://doi.org/10.22044/jme.2022.11874.2180

Abstract
  The geo-statistical simulation algorithms for continuous spatial variables have been used widely in order to generate the statistically-honored models. There are two main algorithms doing the continuous variable simulation, Sequential Gaussian Simulation (SGS) and Direct Sequential Simulation (DSS). ...  Read More

Original Research Paper
Effect of Glass and Polypropylene Hybrid Fibers on Mode I, Mode II, and Mixed-Mode Fracture Toughness of Concrete Containing Micro-Silica and Limestone Powder

D. Fakhri; M. Hosseini; M. Mahdikhani

Volume 13, Issue 2 , April 2022, Pages 559-577

https://doi.org/10.22044/jme.2022.11936.2188

Abstract
  Fracture toughness is an important concrete property that controls crack extension and concrete fracture. Concrete is the most widely used material in civil engineering containing the most conventional and cheapest materials. Accordingly, cracks and fractures may cause irreparable damages. To this end, ...  Read More

Original Research Paper
Cavability Assessment of Rock Mass in Block Caving Mining Method based on Numerical Simulation and Response Surface Methodology

B. Alipenhani; A. Majdi; H. Bakhshandeh Amnieh

Volume 13, Issue 2 , April 2022, Pages 579-606

https://doi.org/10.22044/jme.2022.11858.2176

Abstract
  The present work aims at implementing Response Surface Methodology (RSM) in order to generate a statistical model for Minimum Required Caving Span (MRCS) and estimate both the individual and mutual effects of the rock mass parameters on rock mass cavability. The adequate required data is obtained from ...  Read More

Original Research Paper
Cavity Growth in Underground Coal Gasification Method by Considering Cleat Length and Inclination of Coal with Elasto-Brittle Behavior

M.R. Shahbazi; M. Najafi; M. Fatehi Marji; A. Abdollahipour

Volume 13, Issue 2 , April 2022, Pages 607-625

https://doi.org/10.22044/jme.2022.11906.2183

Abstract
  The in-situ coal is converted to the synthetic gas in the process of underground coal gasification (UCG).  In order to increase the rate of in-situ coal combustion in the UCG process, the contact surfaces between the steam, heat, and coal fractures should be raised. Therefore, the number of secondary ...  Read More