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)

Rock Mechanics
Long-term stability analysis of goaf area in longwall mining using minimum potential energy theory

M. Rezaei

Volume 9, Issue 1 , January 2018, , Pages 169-182


  Estimation of the height of caved and fractured zones above a longwall panel along with the stability conditions of the goaf area are very crucial to determine the abutment stresses, ground subsidence, and face support as well as designing the surrounding gates and intervening pillars. In this work, ...  Read More

Determination of unstable tectonic zones in C–North deposit, Sangan, NE Iran using GPR method: importance of structural geology

A. Rezaei; H. Hassani; P. Moarefvand; A. Golmohammadi

Volume 10, Issue 1 , January 2019, , Pages 177-195


  Ground Penetrating Radar (GPR) is an effective and practical geophysical imaging tool, with a wide set of applications in geological mapping of subsurface information. This research study aims at determination of the geophysical parameter differences in the subsurface geological structures and construction ...  Read More

Delineation of Gas Content Zones Using N-S Fractal Model in Coking Coal Deposits

N. R. Ahmadi; P. Afzal; A. B. Yasrebi

Volume 12, Issue 1 , January 2021, , Pages 181-189


  This work aims to classify the gas content zones for coking coal deposits using a Number-Size (N-S) fractal modeling considering the explosive and free gas data. The case study is the C1 coking coal seam in the Parvadeh-4 coal deposit in the central Iran. Following this, the N-S log-log plots are created, ...  Read More

Effect of Acid Rain on Physical and Mechanical Properties of Concrete Containing Micro-Silica and Limestone Powder

M. Hosseini; A.R. Dolatshahi; E. Ramezani

Volume 13, Issue 1 , January 2022, , Pages 185-200


  Concrete is among the widely used materials in all industries and mineral and civil activities worldwide, highlighting its significance. Most natural and non-natural phenomena can influence the concrete's physical and mechanical properties, causing many irreparable damages. Acid rain is a natural inevitable ...  Read More

Wellbore Trajectory Optimization of an Iranian Oilfield Based on Mud Pressure and Failure Zone

H. Yousefian; M. Fatehi Marji; H. Soltanian; A. Abdollahipour; Y. Pourmazaheri

Volume 11, Issue 1 , January 2020, , Pages 193-220


  Determination of the borehole and fracture initiation positions is the main aim of a borehole stability analysis. A wellbore trajectory optimization with the help of the mud pressure may be unreasonable since the mud pressure can only reflect the degree of difficulty for the initial damage to occur at ...  Read More

Performance Comparison of Particle Swarm Optimization and Genetic Algorithm for Back-analysis of Soil Layer Geotechnical Parameters

Leila Nikakhtar; Shokroallah Zare; Hossein Mirzaei

Volume 14, Issue 1 , January 2023, , Pages 217-232


  Surface settlement induced by tunneling is one of the most crucial problems in urban environments. Hence, accurate prediction of soil geotechnical properties is an important prerequisite in the minimization of it. In this research work, the amount of surface settlement is predicted using three-dimensional ...  Read More

Heavy metal pollution and identification of their sources in soil over Sangan iron-mining region, NE Iran

R. Dabiri; M. Bakhshi Mazdeh; H. Mollai

Volume 8, Issue 2 , April 2017, , Pages 277-289


  The aim of this study was to determine the extent of metal pollutions and the identification of their major sources in the vicinity of the Sangan iron mine occurring in NE Iran. Soil samples were collected from the vicinity of the mine site and analyzed for heavy metals. In addition, the chemical speciation ...  Read More

Mineral Processing
An insight into effect of surface functional groups on reactivity of Sphalerite (110) surface with Xanthate collector: a DFT study

M. Mohseni; M. Abdollahy; R. Poursalehi; M. R. Khalesi

Volume 9, Issue 2 , April 2018, , Pages 431-439


  The reactivity of the protonated and hydroxylated sphalerite (1 1 0) surface with xanthate was simulated using the density functional theory (DFT). The difference between the energy of the lowest unoccupied molecular orbital of the sphalerite surface and the energy of the highest occupied molecular orbital ...  Read More

Rock Mechanics
Hydraulic fracture propagation: analytical solutions versus Lattice simulations

E. Bakhshi; V. Rasouli; A. Ghorbani; M. Fatehi Marji

Volume 10, Issue 2 , April 2019, , Pages 451-464


  In this work, we used a grain-based numerical model based on the concept of lattice. The modelling was done to simulate the lab experiments carried out on the mortar samples. Also the analytical solutions corresponding to the viscosity-dominated regime were used to estimate the fracture length and width, ...  Read More

Direct and Indirect Bio-Leaching of Co and Ni from an Iron-Rich Laterite Ore using Delftia Acidovorans and Acidithiobacillus Ferrooxidans

M. Hosseini Nasab; M. Noaparast; H. Abdollahi

Volume 12, Issue 2 , April 2021, , Pages 471-489


  In this research work, the bio-leaching of Co and Ni from an iron-rich laterite ore is assessed using the acidophilic heterotrophic (Delftia acidovorans)and autotrophic (Acidithiobacillus ferrooxidans) bacteria. The metabolic products of the acidophilic bacteria play an important role in bio-leaching. ...  Read More

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


  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

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


  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

Application of Phytoremediation to Reduce Environmental Pollution of Copper Smelting and Refinery Factories: a Review

R. Siyar; F. Doulati Ardejani; M. Farahbakhsh; M. Yavarzadeh; S. Maghsoudy

Volume 11, Issue 2 , April 2020, , Pages 517-537


  Copper smelting and refinery factories are the final stages of a pyrometallurgical processing chain, and they cause many environmental challenges around the world. One of the most common environmental problems of these factories is toxic emissions. These toxic gases have harmful effects on the vegetation, ...  Read More

Application of continuous restricted Boltzmann machine to detect multivariate anomalies from stream sediment geochemical data, Korit, East of Iran

A. Aryafar; H. Moeini

Volume 8, Issue 4 , October 2017, , Pages 673-682


  Anomaly separation using stream sediment geochemical data has an essential role in regional exploration. Many different techniques have been proposed to distinguish anomalous from study area. In this research, a continuous restricted Boltzmann machine (CRBM), which is a generative stochastic artificial ...  Read More

Rock Mechanics
Innovative approach to strata reinforcement in coal mines with reference to evaluation cable bolts shear strength

N. Aziz; A. Mirzaghorbanali; G. Yang; S. Khaleghparast; H. Resekh

Volume 9, Issue 3 , July 2018, , Pages 703-715


  There is an increasing need to determine accurately the strength properties of tendons for an effective ground control on mines and underground structures as well as on modelling simulations. The strength properties of cables, used as cable bolts, have been evaluated mainly by their ultimate tensile ...  Read More

Mineral Processing
A finite element model to simulate magnetic field distribution and laboratory studies in wet low-intensity magnetic separator

P. Karimi; A. Khodadadi Darban; Z. Mansourpour

Volume 10, Issue 3 , July 2019, , Pages 717-727


  Low-intensity magnetic separators are widely used in the research works and the industry. Advancement in the magnetic separation techniques has led to an expansion in the application of this method in different fields such as enrichment of magnetic mineral, wastewater treatment, and medicine transfer ...  Read More

Interaction between Tunnel and Surface Foundation using PFC2D

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

Volume 12, Issue 3 , July 2021, , Pages 785-798


  In this work, we investigate the interaction between tunnel and surface foundation in two dimensions by the particle flow code. At the first stage, the PFC calibration is conducted using the experimental test results rendered by a biaxial test. Then the simulation of a biaxial test is performed by confining ...  Read More

Fractal Modeling of Geochemical Mineralization Prospectivity Index based on Centered Log-Ratio Transformed Data for Geochemical Targeting: a Case Study of Cu Porphyry Mineralization

H. Mahdiyanfar; A. Salimi

Volume 13, Issue 3 , July 2022, , Pages 821-838


  This work aims to investigate the geochemical signatures of the Cu porphyry deposit in the Dalli area using the geochemical soil samples. At the first step, the geochemical data was opened using the Centered Log-Ratio (CLR) transform method. Then those outlier samples that reduce the accuracy of the ...  Read More

Copper Price Prediction using Wave Count with Contribution of Elliott Waves

R. Satari; A. Akbari Dehkharghani; K. Ahangari

Volume 11, Issue 3 , July 2020, , Pages 825-835


  Within the last few decades, copper has been identified as one of the most applicable metals by many researchers. These researchers have also been enthusiastic to predict the price of this valuable metal. These days, the available technical analysis methods have been highly applied in the financial markets. ...  Read More

Rock Mechanics
A Monte Carlo simulation technique for assessment of earthquake-induced displacement of slopes

H. Fattahi; N. Babanouri; Z. Varmaziyari

Volume 9, Issue 4 , October 2018, , Pages 959-966


  The dynamic response of slopes against earthquake is commonly characterized by the earthquake-induced displacement of slope (EIDS). The EIDS value is a function of several variables such as the material properties, slope geometry, and earthquake acceleration. This work is aimed at the prediction of EIDS ...  Read More

Copper recovery from thickener overflow by electrocoagulation/flotation: optimization of response surface, modeling, and sludge study

A. Hasanzadeh_Sablouei; Seyed M. Moosavirad

Volume 10, Issue 4 , October 2019, , Pages 1013-1029


  The electrocoagulation/flotation process is a novel approach in mining industry that is implemented to return Cu metal to the production cycle, which improves copper recovery and reduces waste water. In this research work, the response surface methodology was applied to optimize the factors effective ...  Read More

Recognition of Gold Mineralization Potentials Based on Rock Samples Utilizing Staged Factor and Fractal Models, Bardaskan District (NE Iran)

L. Daneshvar Saein

Volume 12, Issue 4 , October 2021, , Pages 1077-1088


  The purpose for this research is to define the gold mineralization potentials by the concentration-number fractal and staged factor analysis modeling based on rock samples at the Bardaskan area (NE Iran). Two main gold mineralization types are epithermal and disseminated systems in this district. First, ...  Read More

Design of An Intelligent Model for Strategic Planning in Mineral Holding: Case study, Shahab-Sang Holding

A. Shokry; Z. Ghazizadeh; Sh. Piroozfar; H. Tohidi

Volume 11, Issue 4 , October 2020, , Pages 1115-1126


  Business logic is one of the most important logics based on the decision matrix. However, using this logic alone and environmental uncertainty leads to problems such as low accuracy and integrity in strategic planning. In this work, we use an intelligent model based on the neural-fuzzy approach aiming ...  Read More

Bio-flotation of Chalcopyrite using Halophilic Bacteria Separately and Their Combination as Pyrite bio-Depressant

Amirmohammad Nasrollahzadeh; Mohammad Jahani Chegeni; Ahmad Moghooeinejad; Zahra Manafi

Volume 13, Issue 4 , October 2022, , Pages 1119-1138


  Due to the increasing consumption of lime in the flotation process to increase the pH of the system and create an alkaline environment, as well as its gradual increase in cost, the attention of researchers has been drawn to perform flotation operations in a neutral environment. Halophilic bacteria have ...  Read More

Investigation of fractures effect on the building stone utilization, Case study

Hasan Alizadeh; Mahnaz Nedaei; Negar Tirandaz

Articles in Press, Accepted Manuscript, Available Online from 20 March 2023


  One of the significant negative factors involved in exploiting granite stones as ornamental stones is the presence of heterogeneous fractures within the rock mass. Joints can either be destructive or beneficial in the production granite piles and building stone mines depending on their characteristics. ...  Read More