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)

An experimental study on water saturation effect on rock cutting force of a chisel pick

Hadi Bejari; Jafar Khademi Hamidi

Articles in Press, Accepted Manuscript, Available Online from 24 April 2023


  This work aims to investigate the effect of water saturation on cutting forces and chipping efficiency by performing a series of small-scale linear cutting tests with a chisel pick on twelve low- and medium-strength rock samples. The peak and mean cutting force acting on the chisel pick are measured ...  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

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

Determination of constant coefficients of Bourgoyne and Young drilling rate model using a novel evolutionary algorithm

M. Anemangely; A. Ramezanzadeh; B. Tokhmechi

Volume 8, Issue 4 , October 2017, , Pages 693-702


  Achieving minimum cost and time in reservoir drilling requires evaluating the effects of the drilling parameters on the penetration rate and constructing a drilling rate estimator model. Several drilling rate models have been presented using the drilling parameters. Among these, the Bourgoyne and Young ...  Read More

Rock Mechanics
A three dimensional geometrical model for calculation of induced stresses surrounding longwall working

H. Mohammadi; H. Darbani

Volume 9, Issue 3 , July 2018, , Pages 727-740


  There are various criteria that need to be examined alongside each other when designing a longwall mining system. Challenges such as determination of the supported roof width, support system design, caving height determination, lateral or chain pillar size determination, and optimum support design for ...  Read More

Anomaly delineation of porphyry copper deposits of Hanza Region through geochemical data analyses and multispectral remote sensing

A. Habibnia; Gh. R. Rahimipour; H. Ranjbar

Volume 10, Issue 3 , July 2019, , Pages 747-762


  Hanza region is located in the southern part of Urumieh–Dokhtar Metallogenic belt in southeastern Iran. This region includes six known porphyry copper deposits and it is considered as an ore- bearing region from geochemical point of view. The aim of this research is to examine effective processing ...  Read More

Mineral Processing
Carnallite Flotation of Khur Biabanak Potash Complex using Kimiaflot619 as a New Collector

A.R. Javadi

Volume 12, Issue 3 , July 2021, , Pages 815-823


  Carnallite, with the chemical formula KMgCl3.6H2O, is a mineral that was first discovered in the Urals Mountains in Russia. The reverse flotation has been established for carnallite processing in the current decades, and the alkyl morpholine collector is used for the removal of NaCl from carnallite using ...  Read More

Compressional and Shear Interval Velocity Modeling to Determine Formation Pressures in an Oilfield of SW Iran

P. Kianoush; Gh. Mohammadi; Seyed A.K. Hosseini; N. Keshavazr Faraj Khah; P. Afzal

Volume 13, Issue 3 , July 2022, , Pages 851-873


  In the seismic methods, estimation of the formation pressures is obtained by converting the seismic velocity to the pore pressure, and comparing it with the effective pressure during the well-test program. This work is a new challenge regarding the velocity study domain in an oil field in SW Iran. The ...  Read More

Behavior of a Tunnel and its Neighboring Joint with and without Presence of Rock Bolt under Biaxial Loads; Particle Flow Code Approach

V. Sarfarazi

Volume 11, Issue 3 , July 2020, , Pages 855-864


  In this work, the interaction between the semi-circular space and the neighboring joint with and without the presence of rock bolts was investigated using the particle flow code (PFC) approach. For this purpose, firstly, the calibration of PFC was performed using both the Brazilian experimental test ...  Read More

Evaluating the effect of using different reference spectra on SAM classification results: an implication for hydrothermal alteration mapping

M. Honarmand; H. Ranjbar; H. Shahriari; F. Naseri

Volume 9, Issue 4 , October 2018, , Pages 981-997


  This research was performed with the objective of evaluating the accuracy of spectral angle mapper (SAM) classification using different reference spectra. The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) digital images were applied in the SAM classification in order to map the ...  Read More

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


  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

A New Case-Based Reasoning Method for Prediction of Fractured Height of Longwall Panels

H. Rasouli; K. Shahriar; H. Madani

Volume 12, Issue 4 , October 2021, , Pages 1103-1121


  When longwall mining involves total extraction, it includes the overlying strata movements. In order to better control these movements, the height of fracturing (HoF) must be determined. HoF includes both the caved and continuous fractured zones, and represents the region of the broken ground whereby ...  Read More

Sensitivity Analysis of Stress and Cracking in Rock Mass Blasting using Numerical Modelling

M.A. Chamanzad; M. Nikkhah

Volume 11, Issue 4 , October 2020, , Pages 1141-1155


  Drilling and blasting have numerous applications in the civil and mining engineering. Due to the two major components of rock masses, namely the intact rock matrix and the discontinuities, their behavior is a complicated process to be analyzed. The purpose of this work is to investigate the effects of ...  Read More