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)

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

Ali Nouri Qarahasanlou; Alireza Dolatshahi

Articles in Press, Accepted Manuscript, Available Online from 15 March 2023


  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

The effect of price changes on optimum cut-off grade of different open-pit mines

Ali Asghar khodaiari; A Jafarnejad

Volume 3, Issue 1 , January 2012, , Pages 61-68


  Maximizing economic earnings is the most common goal in cut-off grade optimization of open-pit mining operations. When this is the case, the price of the product has a critical effect on optimum value of cut-off grade. This paper investigates the relationship between optimum cut-off grade and price to ...  Read More

Comparison of golden section search method and imperialist competitive algorithm for optimization cut-off grade- case study: Mine No. 1 of Golgohar

S. Mohammadi; M. Ataei; R. Khalokakaei; E. Pourzamani

Volume 6, Issue 1 , January 2015, , Pages 63-71


  Optimization of the exploitation operation is one of the most important issues facing the mining engineers. Since several technical and economic parameters depend on the cut-off grade, optimization of this parameter is of particular importance. The aim of this optimization is to maximize the net present ...  Read More

Joint inversion of ReMi dispersion curves and refraction travel times using particle swarm optimization algorithm

A. Zarean; R. Poormirzaee

Volume 7, Issue 1 , January 2016, , Pages 67-79


  Shear-wave velocity ( ) is an important parameter used for site characterization in geotechnical engineering. However, dispersion curve inversion is challenging for most inversion methods due to its high non-linearity and mix-determined trait. In order to overcome these problems, in this study, a joint ...  Read More

A new brittleness index for estimation of rock fracture toughness

H. R. Nejati; Seyed A. Moosavi

Volume 8, Issue 1 , January 2017, , Pages 83-91


  Assessment of the correlation between rock brittleness and rock fracture toughness has been the subject of extensive research works in the recent years. Unfortunately, the brittleness measurement methods have not yet been standardized, and rock fracture toughness cannot be estimated satisfactorily by ...  Read More

Chemical Characteristics of Discharges from Two Derelict Coal Mine Sites in Enugu Nigeria: Implication for Pollution and Acid Mine Drainage

L. Akpan; A. Celestine Tse; F. dumbari Giadom; C. Iorfa Adamu

Volume 12, Issue 1 , January 2021, , Pages 89-111


  In this study, the chemical composition of water and soils contiguous to two abandoned coal mines in southeastern Nigeria, was assessed to evaluate the impact of water flow from the mines ponds on the geoenvironment and potential for acid mine drainage (AMD). Parameters including the pH, anions and cations, ...  Read More

Rock Mechanics
Prediction of ultimate strength of shale using artificial neural network

S. Moshrefi; K. Shahriar; A. Ramezanzadeh; K. Goshtasbi

Volume 9, Issue 1 , January 2018, , Pages 91-105


  A rock failure criterion is very important for prediction of the ultimate strength in rock mechanics and geotechnics; it is determined for rock mechanics studies in mining, civil, and oil wellborn drilling operations. Also shales are among the most difficult to treat formations. Therefore, in this research ...  Read More

Rock Mechanics
A comparative study of two meta-heuristic algorithms in optimizing cost of reinforced concrete segmental lining

Seyed S. Mousavi; M. Nikkhah; Sh. Zare

Volume 10, Issue 1 , January 2019, , Pages 95-112


  In this work, we tried to automatically optimize the cost of the concrete segmental lining used as a support system in the case study of Mashhad Urban Railway Line 2 located in NE Iran. Two meta-heuristic optimization methods including particle swarm optimization (PSO) and imperialist competitive algorithm ...  Read More

An Overview of Relationship between Hydro-Thermo-Mechanical Soil Parameters and Electrical Resistivity

Sonu Singh; Vijay Shankar; Joseph Tripura

Volume 14, Issue 1 , January 2023, , Pages 97-112


  With an emphasis on establishing a connection between electrical and sub-surface hydro-geophysical features of soils, a critical evaluation of electrical resistivity technique applications is conducted in the current work. In order to identify diverse subsurface soil characteristics at different stratifications, ...  Read More

Identification of Geochemical Anomalies Using Fractal and LOLIMOT Neuro-Fuzzy modeling in Mial Area, Central Iran

M. Alipour Shahsavari; P. Afzal; A. Hekmatnejad

Volume 11, Issue 1 , January 2020, , Pages 99-117


  The Urumieh-Dokhtar Magmatic Arc (UDMA) is recognized as an important porphyry, disseminated, vein-type and polymetallic mineralization arc. The aim of this study is to identify and subsequently determine geochemical anomalies for exploration of Pb, Zn and Cu mineralization in Mial district situated ...  Read More

Developing a Conceptual Framework of Green Mining Strategy in Coal Mines: Integrating Socio-economic, Health, and Environmental Factors

F. Doulati Ardejani; S. Maghsoudy; M. Shahhosseini; B. Jodeiri Shokri; Sh. Doulati Ardejani; F. Shafaei; F. Amirkhani Shiraz; A. Rajaee

Volume 13, Issue 1 , January 2022, , Pages 101-115


  Considering that mining has many environmental impacts from the exploration phase to production and finally closure, it is necessary to plan the activities so that the concept of green mining is realized in its true meaning. This means that mining is carried out in order to obtain the minerals that are ...  Read More

Estimating the deformation modulus of jointed rock mass under multilateral loading condition using analytical methods

M Ebadi; Saeed Karimi Nasab; H Jalalifar

Volume 2, Issue 2 , July 2011, , Pages 146-156


  rnDetermination of rock mass deformation modulus is very important in different projects, especially in civil and mining engineering works. In-situ measurements such as dilatometer, plate load and flat jack methods may be applied to determine the deformation modulus. However, these methods are very expensive ...  Read More

A new chart-independent method for fast identification of control level of industrial processes using continuous data

H. Khoshdast; M. Mahmoodabadi

Volume 8, Issue 2 , April 2017, , Pages 203-213


  A new method is developed for a fast identification of the stability situation of industrial processes. The proposed method includes two factor ratios of the control constants for the upper and lower control limits to process these constants. An indication ratio is then defined as the ratio of the maximum ...  Read More

Introducing Mesozoic siliciclastic-rich refractory sand levels based on geochemical and physical properties in Iran

M. Yazdi; A. Bahrami; Z. Alaminia; H. Jamali; M. A. Mackizadeh

Volume 9, Issue 2 , April 2018, , Pages 361-369


  This research work introduces the Early Triassic, Late Triassic-Early Jurassic, and Early Cretaceous silica-rich sand levels at east and central Alborz, Kopeh-Dagh, and Central Iran, and compares them with the Permian silica-rich sand level in the Chirouk mine at east Iran. Ghoznavi and Gheshlaq loose ...  Read More

Mineral Processing
Mechanical activation of phosphate concentrates to enhance dissolution efficiency of rare earth elements from a kinetic viewpoint

H. Shadi Naghadeh; M. Abdollahy; A. Khodadadi Darban; P. Pourghahramani

Volume 10, Issue 2 , April 2019, , Pages 373-388


  The Esfordi phosphate concentrate mainly contains fluorapatite, monazite, and xenotime as rare earth element (REE) minerals, accounting for 1.5% of rare earth metals. The monazite and xenotime minerals are refractory and their decomposition is only possible at high temperatures. Thus mechanical activation ...  Read More

Evaluation of Underground Mineable Reserve in Presence of Grade and Commodity Price Uncertainties

M. Shenavar; M. Ataee-pour; M. Rahmanpour

Volume 12, Issue 2 , April 2021, , Pages 385-396


  The uncertainty-based mine evaluation and optimization have been regarded as a critical issue. However, it has received less attention in the underground mines than in the open-pit mines due to the diversity of the underground mining methods, and the underground mining parameters' complexity. The grade ...  Read More

Phytoextraction-based process of metal absorption from soil in mining areas (tailing dams) by Medicago sativa L. (Alfalfa) (Case study: Sarcheshmeh porphyry copper mine, SE of Iran)

S. Tabasi; H. Hassani; A.R. Azadmehr

Volume 8, Issue 3 , July 2017, , Pages 419-431


  The present work was planned to evaluate the phytoextraction of metal mine tailings, Sarcheshmeh copper mine, SE of Iran, by the endemic plant species Medicago sativa L. (Alfalfa). In this pot experiment, we investigated the effects of seven amendments on the growth of alfalfa and uptaking metals from ...  Read More

Rock Mechanics
On Analytic Solutions of Elastic Net Displacements around a Circular Tunnel

M. Hazrati Aghchai; P. Moarefvand; H. Salari Rad

Volume 11, Issue 2 , April 2020, , Pages 419-432


  Displacements around a tunnel, occurring as a result of excavation, consist of the elastic and plastic parts. In this paper, we discuss the elastic part of displacements as a result of excavation, called net displacement. In general, the previous analytical solutions presented for determining the displacements ...  Read More

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


  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

Investigation of leaching kinetics of zinc from a low-grade ore in organic and inorganic acids

Seyed M. Seyed Ghasemi; A. Azizi

Volume 8, Issue 4 , October 2017, , Pages 579-591


  The leaching kinetics of a low-grade zinc oxide ore in different acid media was investigated with respect to the experimental variables including acid concentration, temperature, liquid to solid (L/S) ratio, and stirring speed. The results obtained showed that the leaching reagent concentration and the ...  Read More

Fundamentals of 3D modelling and resource estimation in coal mining

B. Unver

Volume 9, Issue 3 , July 2018, , Pages 623-639


  The prerequisite of maintaining an efficient and safe mining operation is the proper design of a mine by considering all aspects. The first step in a coal mine design is a realistic geometrical modelling of the coal seam(s). The structural features such as faults and folding must be reliably implemented ...  Read More

Pre-treatment of toxic element and cationic dye onto natural biomass: characterization and optimization

F. Mohajer-Moghari; K. Seifpanahi Shabani; M. Karamouzian

Volume 10, Issue 3 , July 2019, , Pages 649-658


  This researchdescribe wastewater pre-treatment that contaminated with Methylene Blue dye (MB) and Ni(II) ion by Athelia Bombacina fungus dead biomass (ABFDB). Researches finding on ABFDB characterization by SEM, XRD, CHNS and FT-IR analysis show that ABFDB can be used as efficient sorbent, because ABFDB ...  Read More

Modeling of Induced Polarization and Resistivity Data for Prospecting and Exploration of Polymetallic Deposit in Kaboudan Area, East of Iran

F. Jamali; A.R. Arab Amiri; A. Kamkar Rouhani; A. Bahrami

Volume 12, Issue 3 , July 2021, , Pages 693-710


  In any geophysical exploration, the final goal is to achieve an accurate image of the relevant underground property. In order to achieve this, the geophysical operation using the electrical resistivity and induced polarization (IP) methods is conducted to explore the sub-surface sulfide mineralization. ...  Read More

Experimental Investigation on Deformation Behavior of Circular Underground Opening in Hard Soil using a 3D Physical Model

Jinwei Fu; M. R. Safaei; H. Haeri; V. Sarfarazi; M. Fatehi Marji; Leige Xu; A. Arefnia

Volume 13, Issue 3 , July 2022, , Pages 727-749


  In this work, the mechanical behavior of strata deformation due to drilling and surface loading is investigated using a 3D physical model. For this purpose, a scaled-down physical model is first designed. Then the tunnel drilling and support system are built. The subsidence experiments performed due ...  Read More

Effect of Segmental Joint on Internal Forces in Tunnel Lining under Seismic Loading by Numerical Method

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

Volume 11, Issue 3 , July 2020, , Pages 737-751


  Although segmental tunnel linings are often used for seismic areas, the influence of segment joints on the segmental lining behavior under seismic loading has not been thoroughly considered in the literature. This paper presents the results of a numerical study investigating the effects of the rotational, ...  Read More