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)

3D model construction of induced polarization and resistivity data with quantifying uncertainties using geostatistical methods and drilling (Case study: Madan Bozorg, Iran)

K. Mostafaei; H. R. Ramazi

Volume 9, Issue 4 , October 2018, , Pages 857-872


  Madan Bozorg is an active copper mine located in NE Iran, which is a part of the very wide copper mineralization zone named Miami-Sabzevar copper belt. The main goal of this research work is the 3D model construction of the induced polarization (IP) and resistivity (Rs) data with quantifying the uncertainties ...  Read More

Rock Mechanics
Development of a GEP model to assess CERCHAR abrasivity index of rocks based on geomechanical properties

M. H. Kadkhodaei; E. Ghasemi

Volume 10, Issue 4 , October 2019, , Pages 917-928


  The CERCHAR abrasivity test is very popular for determination of rock abrasivity. An accurate estimation of the CERCHAR abrasivity index (CAI) is useful for excavation operation costs. This paper presents a model to calculate CAI based on the gene expression programming (GEP) approach. This model is ...  Read More

On Propagation Mechanism of Cracks Emanating from Two Neighboring Holes in Cubic Concrete Specimens under Various Lateral Confinements

M. Davood Yavari; H. Haeri; V. Sarfarazi; M. Fatehi Marji; H. A. Lazemi

Volume 12, Issue 4 , October 2021, , Pages 1003-1017


  The propagation mechanism of cracks emanating from two holes within the concrete specimens is studied by considering the effects of different lateral compressive stresses. The experimental part of this research work is carried out on some specially prepared pre-cracked specimens with two neighbouring ...  Read More

Formulation of a Bearing Capacity Equation for a Circular Footing with Vertical and Inclined Loads on Layered Sand

Surya PRATAP Singh; Amrit Kumar Roy

Volume 13, Issue 4 , October 2022, , Pages 1015-1029


  This research work provides a bearing capacity equation for a circular footing placed on dense sand overlying loose sand and subjected to vertical and inclined loading, utilizing the limit equilibrium followed by the projected area approach. For the parametric study, the variables include upper dense ...  Read More

Robust Principal Component Analysis and Fractal Methods to Delineate Mineralization-Related Hydrothermally-Altered Zones from ASTER Data: A Case Study of Dehaj Terrain, Central Iran

N. Habibkhah; H. Hassani; A. Maghsoudi; M. Honarmand

Volume 11, Issue 4 , October 2020, , Pages 1023-1037


  The Dehaj area, located in the southern part of the Urumieh-Dokhtar magmatic belt, is a well-endowed terrain hosting a number of world-class porphyry copper deposits. These deposits are all hosted in an acidic to intermediate volcano-plutonic sequence greatly affected by various types of the hydrothermal ...  Read More

Modelling of the kaolin deposits and reserve classification challenges of Charentes Basin, France

M. Koneshloo; Jean-Paul Chiles

Volume 1, Number 1 , January 2010


  The kaolinitic clays have been exploited for more than a hundred years, in the western part of the Charentes Basin, France, and belong to a paleo-deltaic network. The recent deposits are relatively richer in alumina in comparison with the older ones. The genesis of the kaolin deposits of the Charentes ...  Read More

The use of analytic hierarchy process in the selection of suitable excavation machine for Dez - Qomroud water conveyance tunnel (lot 1&2), Iran

M. Ataei; S.R. Torabi; B. Alizadeh Sevary

Volume 2, Issue 1 , January 2011


  Qomroud water conveyance tunnel (lot 1&2) with the length of 16 kilometers is considered as one of the greatest development and national projects in Iran. Since about 2 kilometers of tunnel pass through alluvium and the rest of the tunnel pass through various types of geological units, and due to the ...  Read More

Estimation of Ground Motion Amplification for sub Himalayan Strata due to Hypothetical Earthquake Motions

Vivek Sharma; Pardeep Kumar; Ravi Kumar Kumar Sharma

Articles in Press, Accepted Manuscript, Available Online from 11 April 2023


  Himachal Pradesh state is located in seismically active western Himalayas (India) and its seven districts are in seismic zone V and other in zone IV as per the seismic code of India. Ninety% area of Hamirpur district, the studied area, lies in zone V. Peak ground acceleration (PGA) is one of the most ...  Read More

A boundary element analysis of crack-propagation mechanism of micro-cracks in rock-like specimens under a uniform normal tension

H. Haeri; A. R Khaloo; K. Shahriar; M. Fatehi Marji; P. Moaref vand

Volume 6, Issue 1 , January 2015, , Pages 73-93


  In this work, the mechanism for fracture of brittle substances such as rocks under a uniform normal tension is considered. The oriented straight micro-cracks are mostly created in all the polycrystalline materials resulting from the stress concentrations. The present work focuses on the interactions ...  Read More

Impact of mining on groundwater quality in SW Ashanti, Ghana: a preliminary study

C. Bempah; H-J. Voigt; A. Ewusi

Volume 7, Issue 1 , January 2016, , Pages 81-95


  The focus of this research work is on the determination of the impact of mining on the groundwater quality in the historical mining region of SW Ashanti region in Ghana. This work describes the characteristics of the groundwater chemistry and pollution of the aquifer in the gold-ore bearing formation, ...  Read More

Determining fractal parameter and depth of magnetic sources for ardabil geothermal area using aeromagnetic data by de-fractal approach

A. Khojamli; F. Doulati Ardejani; A. Moradzadeh; A. Nejati Kalateh; A. Roshandel Kahoo; S. Porkhial

Volume 8, Issue 1 , January 2017, , Pages 93-101


  The Ardabil geothermal area is located in the northwest of Iran, which hosts several hot springs. It is situated mostly around the Sabalan Mountain. The Sabalan geothermal area is now under investigation for the geothermal electric power generation. It is characterized by its high thermal gradient and ...  Read More

Mineral Processing
Interactional effects of bubble size, particle size, and collector dosage on bubble loading in column flotation

A. Eskanlou; M. R. Khalesi; M. Abdollahy; M. Hemmati Chegeni

Volume 9, Issue 1 , January 2018, , Pages 107-116


  The success of flotation operation depends upon the thriving interactions of chemical and physical variables. In this work, the effects of particle size, bubble size, and collector dosage on the bubble loading in a continuous flotation column were investigated. In other words, this work was mainly concerned ...  Read More

Clay sedimentation and consolidation behaviour in tailing storage facilities over mine lifetime

Seyedeh M. Ehsani; M. Unesi; R. Tamartash

Volume 10, Issue 1 , January 2019, , Pages 113-124


  Changes in the tailing properties (increasing clay mineral content and fine particles) and poor operation of the dewatering systems have negative impacts on the Tailing Storage Facilities (TSF) of the Shahrbabak copper complex. The design solid concentration of the thickened tailings is 63 wt.% in the ...  Read More

Applying a Technical-Economic Approach to Calculate a Suitable Panel Width for Longwall Mining Method

S. Aghababaei; H. Jalalifar; A. Hosseini

Volume 12, Issue 1 , January 2021, , Pages 113-126


  Providing an approach to calculate a suitable panel width for the longwall mining method is considered considering both the technical and economic factors. Based on the investigations carried out, a technical-economic model is proposed to calculate a suitable panel width. The proposed model is a combination ...  Read More

Response of Underground Tunnels to Combined Dynamic Loadings of Running Metro-train and Earthquake

Rahul Shakya; Manendra Singh; Narendra Kumar Samadhiya

Volume 14, Issue 1 , January 2023, , Pages 113-131


  An earthquake is a random occurrence that can happen anytime in highly seismic active areas. Therefore, it might happen even when the metro-train is moving. In such a scenario, the vibrations produced by the dynamic loading of a moving metro-train and the dynamic loading due to an earthquake will impact ...  Read More

Influence of Single Tunnel and Twin Tunnel on Collapse Pattern and Maximum Ground Movement

V. Sarfarazi; K. Asgari

Volume 13, Issue 1 , January 2022, , Pages 117-128


  Particle Flow Code in Two Dimensions (PFC2D) was used in order to examine the influence of single tunnel and twin tunnel on the collapse pattern and maximum ground movement. Since first PFC was calibrated by the experiments, the results obtained were rendered by a uniaxial test. Further, a rectangular ...  Read More

Mineral Processing
Effects of Flocculant, Surfactant, Coagulant, and Filter Aid on Efficiency of Filtration Processing of Copper Concentrate: Mechanism and Optimization

A.H. Rezaei; H. Abdollahi; M. Gharabaghi; A. A. Mohammadzadeh

Volume 11, Issue 1 , January 2020, , Pages 119-141


  In the recent decades, water scarcity has become a major challenge for many reasons, especially the inadequate use of water resources. The mineral processing plant is among the most important water-consuming industries. Filtration, as one of the important processes in water recovery, is a process in ...  Read More

Numerical assessment of influence of confining stress on Kaiser effect using distinct element method

M. Nikkhah

Volume 8, Issue 2 , April 2017, , Pages 215-226


  Nowadays acoustic emission (AE) testing based on the Kaiser Effect (KE) is increasingly used to estimate the in-situ stress in laboratories. In this work, this effect is assessed on cylindrical specimens in numerical simulations of the cyclic loadings including loading, unloading, and re-loading cycles ...  Read More

Application of spectrum-volume fractal modeling for detection of mineralized zones

H. Khalili; P. Afzal

Volume 9, Issue 2 , April 2018, , Pages 371-378


  The main goal of this research work was to detect the different Cu mineralized zones in the Sungun porphyry deposit in NW Iran using the Spectrum-Volume (S-V) fractal modeling based on the sub-surface data for this deposit. This operation was carried out on an estimated Cu block model based on a Fast ...  Read More

Rock Mechanics
Impact of gasoline contamination on mechanical behavior of sandy clay soil

M. H. Askarbioki; F. Kargaran Bafghi; M. Mokhtari; M. Khaleghi

Volume 10, Issue 2 , April 2019, , Pages 389-399


  Oil leakage causes soil contamination and induces changes in the physical and mechanical properties of soils. In areas contaminated with oil products such as gasoline, the implementation of civilian operations requires determination and prediction of soil behavior in the existing conditions. In this ...  Read More

Optimizing Extreme Learning Machine Algorithm using Particle Swarm Optimization to Estimate Iron Ore Grade

M. Fathi; A. Alimoradi; H.R. Hemati Ahooi

Volume 12, Issue 2 , April 2021, , Pages 397-411


  Scientific uncertainties make the grade estimation very complicated and important in the metallic ore deposits. This paper introduces a new hybrid method for estimating the iron ore grade using a combination of two artificial intelligence methods; it is based on the single layer-extreme learning machine ...  Read More

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


  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

Prediction of dispersed mineralization zone in depth using frequency domain of surface geochemical data

H. Shahi

Volume 8, Issue 3 , July 2017, , Pages 433-446


  Discrimination of the blind and dispersed mineralization deposits is a challenging problem in geochemical exploration. The frequency domain (FD) of the surface geochemical data can solve this important issue. This new exploratory information can be achieved using the interpretation of FD of geochemical ...  Read More

Rock Mechanics
Study of Damaged Zone around Circular Opening Using Acoustic Emission Technique

A. Dadi-givshad; M. Ahmadi; H. R. Nejati

Volume 11, Issue 2 , April 2020, , Pages 433-451


  One of the methods used to investigate the damaged zone in rock structure is the acoustic emission method. This method is based on receiving the elastic waves that are produced by deformation and cracking of the rock mass around the underground excavation. In this research, a study is conducted on the ...  Read More

Determination of geochemical anomalies and gold mineralized stages based on litho-geochemical data for Zarshuran Carlin-like gold deposit (NW Iran) utilizing multi-fractal modeling and stepwise factor analysis

F. Aliyari; P. Afzal; J. Abdollahi Sharif

Volume 8, Issue 4 , October 2017, , Pages 593-610


  The Zarshuran Carlin-like gold deposit is located at the Takab Metallogenic belt in the northern part of the Sanandaj-Sirjan zone, NW Iran. The high-grade ore bodies are mainly hosted by black shale and cream to gray massive limestone along the NNE-trending extensional fault/fracture zones. The aim of ...  Read More