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)

Modeling, Optimizing, and Characterizing Elimination Process of Cyanide Ion from an Industrial Wastewater of Gold Mine by Caro’s Acid Method

Hassan Vafaie; Seyyed Mohammad Seyyed Alizadeh Ganji

Volume 13, Issue 3 , July 2022, , Pages 839-849


  The present work is aimed to examine the elimination of cyanide ions from the wastewater derived from the Agh-Darreh gold mine using the Caro’s acid method. The response surface modeling is utilized to evaluate and optimize the influential parameters such as the sulfuric acid/hydrogen peroxide ...  Read More

Pre-existing Crack Effect on Damage of Inner Concrete Lining under an Internal Explosion: A Numerical Study

Alireza Dolatshahi; Ali Nouri Qarahasanlou

Volume 14, Issue 3 , July 2023, , Pages 945-960


  Engineers use various methods to evaluate the performance of concrete structures under dynamic loads, including numerical simulations, laboratory experiments, and field tests. By combining the results of these methods, the engineers can develop a comprehensive understanding of the behavior of concrete ...  Read More

Investigation of linear and non-linear estimation methods in highly-skewed gold distribution

H. Rahimi; O. Asghari; F. Hajizadeh; F. Meysami

Volume 9, Issue 4 , October 2018, , Pages 967-979


  The purpose of this work is to compare the linear and non-linear kriging methods in the mineral resource estimation of the Qolqoleh gold deposit in Saqqez, NW Iran. Considering the fact that the gold distribution is positively skewed and has a significant difference with a normal curve, a geostatistical ...  Read More

Rock Mechanics
Effect of segmental joint stiffness on tunnel lining internal forces under static conditions

Gh. H Ranjbar; K. Shahriar; K. Ahangari

Volume 10, Issue 4 , October 2019, , Pages 1031-1043


  According to the wide application of segmental lining in mechanized tunneling, recognizing the behavior of segmental lining joints is important in tunnels designing. In the structural analysis of the tunnel segmental lining, segmental joints can be considered as elastic joints, and their stiffness characteristics ...  Read More

Rock Mechanics
On 2D Discrete Element Analyses of Transversely Isotropic Elastic Geo-materials; Insight to Scale Effects and Loading Rate

Vahab Sarfarazi; Hadi Haeri; Mohammad Fatehi Marji; Gholamreza Saeedi

Volume 15, Issue 3 , May 2024, , Pages 1051-1070


  The mechanical behaviour of transversely isotropic elastic rocks can be numerically simulated by the discrete element method. The successive bedding layers in these rocks may have different mechanical properties. The aim of this research work is to investigate numerically the effect of anisotropy on ...  Read More

Mineral Processing
An Experimental and CFD Investigation on Effect of Initial Bubble Diameter on its Rise Velocity Profile in A Laboratory-Scale Flotation Column Cell

N. Khorasanizadeh; M. Karamoozian; H. Nouri-Bidgoli

Volume 12, Issue 4 , October 2021, , Pages 1089-1102


  The bubble diameter effect on the bubble rise velocity profile in a flotation column is studied by the two-phase computational fluid dynamics (CFD) method. The simulations are done in the ANSYS® Fluent® software using a two-phase volume of fluid model. The computational domain is a square cross-section ...  Read More

Prediction of Acid Mine Drainage Generation Potential of A Copper Mine Tailings Using Gene Expression Programming-A Case Study

B. Jodeiri Shokri; H. Dehghani; R. Shamsi; F. Doulati Ardejani

Volume 11, Issue 4 , October 2020, , Pages 1127-1140


  This work presents a quantitative predicting likely acid mine drainage (AMD) generation process throughout tailing particles resulting from the Sarcheshmeh copper mine in the south of Iran. Indeed, four predictive relationships for the remaining pyrite fraction, remaining chalcopyrite fraction, sulfate ...  Read More

Preparation of Heterogeneous Rock-Like Samples Containing Non-Persistent Notch; Different Layout

Rahim Mortezaie; Seyed Davoud Mohammadi; Vahab Sarfarazi

Volume 13, Issue 4 , October 2022, , Pages 1139-1157


  One of the most important tasks in conducting a laboratory research work is how to make the samples. The purpose of this research work is to create heterogeneous rock-like samples containing non-persistent notches. Regarding that, the molds with dimensions of 250 mm x 200 mm x 50 mm are made. A mixture ...  Read More

Specimens Size Effect on Mechanical and Fracture Properties of Rocks: a Review

Alireza Dolatshahi; Hamed Molladavoodi

Volume 14, Issue 4 , October 2023, , Pages 1273-1293


  The structure's response to the region's prevailing loading conditions guides the engineers in estimating the resilience of the structural materials and their reinforcement. One of the main concerns in designing rock structures is paying attention to the size effect phenomenon. The size effect influences ...  Read More

A New method for stability analysis of chain pillar in longwall mining by using Coulmann graphical method

Mohammad Sina Abdollahi; Mehdi Najafi; Alireza Yarahamdi Bafghi; Ramin Rafiee

Articles in Press, Accepted Manuscript, Available Online from 10 April 2024


  The stability analysis of chain pillars is crucial, especially as coal extraction rates increase, making it essential to reduce the size of these pillars. Therefore, a new method for estimating the load on chain pillars holds significant importance. This research introduces a novel solution for estimating ...  Read More

Estimation of 3D density distribution of chromites deposit using gravity data

Ali Nejati Kalateh; Amin Roshandel kahoo

Volume 4, Issue 2 , July 2013, , Pages 97-104


  We inverse the surface gravity data to recover subsurface 3D density distribution with two strategy. In the first strategy, we assumed wide density model bound for inverting gravity data and In the second strategy, the inversion procedure have been carried out by limited bound density. Wediscretize the ...  Read More

Estimating the function of copper consumption in Iran between 1991- 2011 using Johansen model

M. J. Babaei; M. A. Molaei; A. Dehghani

Volume 6, Issue 2 , July 2015, , Pages 183-189


  This study aims to estimate the function of copper consumption using the Johansen approach in time series data, between 1991-2011 in Iran. The literature review of specialized consumption and demand functions shows factors influencing the consumption of copper including copper price variables, aluminum ...  Read More

Evaluation of effective factors in window optimization of fry analysis to identify mineralization pattern: Case study of Bavanat region, Iran

R. Ghasemi; B. Tokhmechi; G. Borg

Volume 9, Issue 1 , January 2018, , Pages 195-208


  The known ore deposits and mineralization trends are important key exploration criteria in mineral exploration within a specific region. Fry analysis has conventionally been considered as a suitable method to determine the mineralization trends related to linear structures. Based upon literature sources, ...  Read More

Identification of Buried Metal Ore Deposits using Geochemical Anomaly Filtering and Principal Factors of Power Spectrum

H. Mahdiyanfar

Volume 12, Issue 1 , January 2021, , Pages 205-218


  Over the past two decades, the frequency domain (FD) of the geochemical data has been studied by some researchers. Metal zoning is one of the challenging subjects in the mining exploration, where a new scenario has been proposed for solving this problem in FD. Three mineralization areas including the ...  Read More

Mineral Processing
Increasing drying efficiency by modifying the design of feed chute of the Gol-e-Gohar pelletizing plant ball mill

A.R. Ghasemi; A.R. Hasankhoei; E. Razi; Gh.A. Parsapour; S. Banisi

Volume 10, Issue 1 , January 2019, , Pages 213-221


  Pelletizing plant of the Gol-E-Gohar mining and industrial company consists of a burner, a dry ball mill (6.2 m × 13 m), and an air separator. The ball mill consists of a 2 m-long drying and an 11 m-long grinding chambers. The iron ore concentrate is fed to the drying chamber by a feed chute. It ...  Read More

Determination of Caving Hydraulic Radius of Rock Mass in Block Caving Method using Numerical Modeling and Multivariate Regression

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

Volume 13, Issue 1 , January 2022, , Pages 217-233


  Determining the hydraulic radius of the undercut in the block caving method is one of the key issues in this method. The hydraulic radius is directly related to the minimum caving span. In this research work, the rock mass cavability is investigated using the UDEC and 3DEC software. Since the factors ...  Read More

Rock Mechanics
Predicting Unconfined Compressive Strength of Intact Rock Using New Hybrid Intelligent Models

M. Rezaei; M. Asadizadeh

Volume 11, Issue 1 , January 2020, , Pages 231-246


  Bedrock unconfined compressive strength (UCS) is a key parameter in designing thegeosciences and building related projects comprising both the underground and surface rock structures. Determination of rock UCS using standard laboratory tests is a complicated, expensive, and time-consuming process, which ...  Read More

Investigating possibility of replacing some chemical reagents used in sulfide copper flotation with halophilic bacteria

Amir Mohammad Nasrollahzadeh Bafti; Mohammad Jahani Chegeni; Ahmad Moghooeinejad; Zahra Manafi

Volume 14, Issue 1 , January 2023, , Pages 243-258


  Flotation is the most important method for processing sulfide copper ores. Due to the high cost and environmental hazards caused by the chemical reagents used in this process (collectors, frothers, pH regulators, depressants, etc.), the possibility of replacing all these reagents or at least some of ...  Read More

Cyanide Removal from Tailing Slurry of Gold Processing Plant using Surfactant-modified Zeolite

Mehdi Soleymani Gharegol; Kazem Badv; Behzad Nemati akhgar

Volume 15, Issue 1 , January 2024, , Pages 285-300


  This paper carried out the study on removing cyanide from aqueous solutions by modified zeolite with hexadecyltrimethylammonium bromide. After determining the properties of the prepared adsorbent by the XRD, SEM, FTIR, and BET techniques, the effect of parameters such as the initial concentration of ...  Read More

Rock Mechanics
Introducing hard rock TBMs’ downtime analysis model with reference to past case histories’ data

E. Farrokh

Volume 9, Issue 2 , April 2018, , Pages 457-472


  The study of downtime and subsequently machine utilization in a given project is one of the major requirements of an accurate estimation of TBM performance and daily advance rate. Interestingly, while it is very common to report the components of downtime when discussing a tunneling project in the literature; ...  Read More

Rock Mechanics
Study of convergence confinement method curves considering pore-pressure effect

K. Bour; K. Goshtasbi

Volume 10, Issue 2 , April 2019, , Pages 479-492


  The design of underground spaces is mainly carried out using empirical, analytical, and numerical methods. The convergence confinement method (CCM) is an analytical technique that is widely utilized in analyzing the stability of underground spaces. However, the main challenge in the stability analysis ...  Read More

Calculation of Optimum Soil Conditioning in EPB Tunneling (Case Study: Ahwaz Metro Project, Line 1)

H.R. Pasand Masoumi; A. Abdollahipour; Kh. Baghernia

Volume 12, Issue 2 , April 2021, , Pages 501-513


  Determination of the optimum soil conditioning parameters in the earth pressure balance-tunnel boring machines (EPB-TBMs) plays an important role in reaching an optimum thrust force and advance speed. Silty-clay (CL-ML) in line 1 of the Ahwaz metro project is used in order to find the conditioning parameters ...  Read More

Maintainability measure based on operating environment, a case study: Sungun copper mine

A. Nouri Qarahasanlou; M. Ataei; R. Khaolukakaie; B. Ghodrati; M. Mokhberdoran

Volume 8, Issue 3 , July 2017, , Pages 511-521


  The life cycle cost of a system is influenced by its maintainability. Maintainability is a design parameter, whose operational conditions can affect it significantly. Hence, the effects of these operational conditions should be quantified early in the design phase. The proportional repair model (PRM), ...  Read More

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


  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

Application of Power-Law Frequency Fractal Model for Recognition of Vertical Cu Distribution in Milloieh Porphyry Deposit, SE Iran

N. R. Ahmadi; M. R. Jafari; M. R. Espahbod; N. Kohansal Ghadimvand

Volume 11, Issue 2 , April 2020, , Pages 555-562


  Identification of the vertical and horizontal distributions for elemental grades is of an important sign in different mineral exploration stages. The main aim of this work is to determine the vertical distribution directional properties of Cu values in the Milloieh Cu porphyry deposit, Kerman (SE Iran) ...  Read More