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)
Rock Mechanics
The effect of non-persistent and persistent joint angles on the Representative Elementary Volume rock mass based on strength

Aref Jaberi; Shokroallah Zare

Articles in Press, Accepted Manuscript, Available Online from 25 August 2024

https://doi.org/10.22044/jme.2024.14677.2774

Abstract
  Unlike the mechanical properties of intact rock, which can be obtained on a laboratory scale, estimating the mechanical properties of the jointed rock mass is very difficult due to the presence of different joints and the complexity of the joints. Therefore, to calculate the mechanical parameters of ...  Read More

Numerical investigation of effect of crack geometrical parameters on hydraulic fracturing process of hydrocarbon reservoirs

A. Abdollahipour; M. Fatehi Marji; A. R. Yarahmadi Bafghi; J. Gholamnejad

Volume 7, Issue 2 , July 2016, , Pages 205-214

https://doi.org/10.22044/jme.2016.532

Abstract
  Hydraulic fracturing (HF), as a stimulation technique in petroleum engineering, has made possible the oil production from reservoirs with very low permeability. The combination of horizontal drilling and multiple HF with various perforation angles has been widely used to stimulate oil reservoirs for ...  Read More

Exploration
Improving the results of the fractal model of geochemical mineralization probability index using the gray wolf algorithm on the stream sediments data of Sarduiyeh-Baft Area

Kamran Mostafaei; Mohammad Nabi Kianpour; Mahyar Yousefi; Meisam Saleki

Articles in Press, Accepted Manuscript, Available Online from 25 August 2024

https://doi.org/10.22044/jme.2024.14757.2792

Abstract
  Discrimination of geochemical anomalies from background is a challenge in that elemental dispersion patterns are affected by a variety of geological factors, which vary from one to another area. While statistical and fractal methods are commonly employed for anomaly detection, they struggle with selecting ...  Read More

Commodity price uncertainty propagation in open-pit mine production planning by Latin hypercube sampling method

M. Mokhtarian Asl; J. Sattarvand

Volume 7, Issue 2 , July 2016, , Pages 215-227

https://doi.org/10.22044/jme.2016.541

Abstract
  Production planning of an open-pit mine is a procedure during which the rock blocks are assigned to different production periods in a way that leads to the highest net present value (NPV) subject to some operational and technical constraints. This process becomes much more complicated by incorporation ...  Read More

Estimation of groundwater inflow situation using fuzzy logic: a case study (Beheshtabad water conveying tunnel, Iran)

M. Doustmohammadi; A. Jafari; O. Asghari

Volume 7, Issue 2 , July 2016, , Pages 229-238

https://doi.org/10.22044/jme.2016.549

Abstract
  Water inflow is one of the most important challenges in the underground excavations. In addition to inducing working conditions and environmental problems, it decreases the stability and quality of the surrounding rocks. The direct method of measuring rock mass hydraulic conductivity consists of drilling ...  Read More

Permeability upscaling in fractured reservoirs using different optimized mother wavelets at each level

R. Vahedi; B. Tokhmechi; M. Koneshloo

Volume 7, Issue 2 , July 2016, , Pages 239-250

https://doi.org/10.22044/jme.2016.551

Abstract
  We use a multi-resolution analysis based on a wavelet transform to upscale a 3D fractured reservoir. This paper describes a 3D, single-phase, and black-oil geological model (GM) that is used to simulate naturally-fractured reservoirs. The absolute permeability and porosity of GM is upscaled by all the ...  Read More

Numerical analysis of energy transmission through discontinuities and fillings in Kangir Dam

A. Siamaki; H. Bakhshandeh Amnieh

Volume 7, Issue 2 , July 2016, , Pages 251-259

https://doi.org/10.22044/jme.2016.563

Abstract
  A considerable amount of energy is released in the form of shock wave from explosive charge detonation. Shock wave energy is responsible for the creation of crushing and fracture zone around the blast hole. The rest of the shock wave energy is transferred to rock mass as ground vibration. Ground vibration ...  Read More

Role of smile correction in mineral detection on hyperion data

M. Mohammady Oskouei; S. Babakan

Volume 7, Issue 2 , July 2016, , Pages 261-272

https://doi.org/10.22044/jme.2016.567

Abstract
  This work aims to extract the mineralogical constituents of the Lahroud Hyperion scene situated in the NW of Iran. Like the other push-broom sensors, Hyperion images suffer from spectral distortions, namely the smile effect. The corresponding spectral curvature is defined as an across-track wavelength ...  Read More

Evaluation of structural analysis of tunnel segmental lining using beam-spring method and force-method (Case study: Chamshir water conveyance tunnel)

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

Volume 8, Issue 1 , January 2017, , Pages 111-130

https://doi.org/10.22044/jme.2016.573

Abstract
  The joints between segmental rings can withstand a certain amount of bending moment as well as axial and shear forces. Generally, in the structural analysis of tunnel segmental lining, the joints can be modeled as elastic hinges or rotational springs, and their rigidity should be demonstrated in terms ...  Read More

Evaluation of coalbed methane potential in Parvadeh IV coal deposit in central Iran using a combination of MARS modeling and Kriging

H. Molayemat; F. Mohammad Torab

Volume 8, Issue 2 , April 2017, , Pages 305-319

https://doi.org/10.22044/jme.2017.874

Abstract
  Coalbed methane (CBM) plays an important role in coal mining safety and natural gas production. In this work, The CBM potential of B2 seam in Parvadeh IV coal deposit, in central Iran, was evaluated using a combination of local regression and geostatistical methods. As there were 30 sparse methane sampling ...  Read More

Determination of Hydraulic Jacking Mechanism and Maximum Allowable Grout Pressure during Grout Injection in Anisotropic Rocks

A. Majdi; M. Yazdani

Volume 12, Issue 2 , April 2021, , Pages 589-603

https://doi.org/10.22044/jme.2021.10873.2063

Abstract
  The hydraulic jacking refers to the process of crack growth of the pre-existing joints in the rock mass under grout pressure above the minimum in-situ stress. Thus it is essential to understand the resistance behavior of the joints and maximum grout pressure. This paper describes a novel method for determining ...  Read More

Simulation of Crack Propagation Mechanism in Porous Media using Modified linear Element Displacement Discontinuity Method

Mohammadhosein Dehghani Firoozabadi; Mohammad Fatehi Marji; Abolfazl Abdollahipour; Alireza Yarahamdi Bafghi; Yousef Mirzaeian

Volume 13, Issue 3 , July 2022, , Pages 903-927

https://doi.org/10.22044/jme.2022.12246.2223

Abstract
  In this work, an effective methodology is introduced for simulation of the crack propagation in linear poroelastic media. The presence of pores and saturated cracks that can be accompanied by fluid flow makes the use of poroelastic media inevitable. In this work, involvement of the time parameter in ...  Read More

Exploitation
Detection of Ore Type in Drilling Cores Using Machine Vision Algorithm

Pouya Nobahar; Yashar Pourrahimian; Roohollah Shirani Faradonbeh; Fereydoun Mollaei Koshki

Articles in Press, Accepted Manuscript, Available Online from 30 August 2024

https://doi.org/10.22044/jme.2024.14538.2739

Abstract
  Mineral reserve evaluation and ore type detection using data from exploratory boreholes are critical in mine design and extraction. However, preparing core samples and conducting chemical and physical tests is a time-consuming and costly procedure, slowing down the modeling process. This paper presents ...  Read More

Rock Mechanics
The Applicability of Rock Bolt Supporting Factor based on Rock Mass Behavior: A Case Study of Alborz Tunnel

Hamed Farajollahi; Mohammad Mohammadi; Mohammad Hossein Khosravi

Articles in Press, Accepted Manuscript, Available Online from 30 August 2024

https://doi.org/10.22044/jme.2024.14405.2697

Abstract
  A better understanding of rock mass behavior is an essential part of the design and construction of underground structures. Any improvement in the understanding of the behavior of rock mass will facilitate the improvement of the design in terms of the safety of the working environment, long-term safety ...  Read More

Exploration
Targeting of porphyry copper mineralization using a continuous-based logistic function approach in the Varzaghan district, north of Urumieh-Dokhtar magmatic arc

mobin saremi; Abbas Maghsoudi; Reza Ghezelbash; mahyar yousefi; Ardeshir Hezarkhani

Articles in Press, Accepted Manuscript, Available Online from 30 August 2024

https://doi.org/10.22044/jme.2024.14752.2803

Abstract
  Mineral prospectivity mapping (MPM) is a multi-step and complex process designed to narrow down the target areas for exploratory activities in subsequent stages. To pinpoint promising zones of porphyry copper mineralization in the Varzaghan district, NW Iran, various exploration evidence layers were ...  Read More

Mineral Processing
Optimizing the settling parameters of the Final Tailing of Zonouz Kaolin Processing Plant using RSM

Seyyed Mohsen Zamzami; Javad Vazifeh Mehrabani

Articles in Press, Accepted Manuscript, Available Online from 15 September 2024

https://doi.org/10.22044/jme.2024.14640.2762

Abstract
  In this research, solid phase settling process from the liquid phase were optimized simultaneously on the different responses, using the response surface methodology (RSM). The effect of solid percentage, flocculant dosage, temperature, and pulp pH were evaluated on the responses of solid settling velocity, ...  Read More

Rock Mechanics
Investigation of the Effect of Discontinuities on Blast Damage Factor in the Hoek-Brown Failure Criterion for Rock Slope using 3D Discrete Element Modeling

Dariush Kaveh Ahangaran; Kaveh Ahangari; Mosleh Eftekhari

Articles in Press, Accepted Manuscript, Available Online from 17 September 2024

https://doi.org/10.22044/jme.2024.14532.2735

Abstract
  Blast damage on the stability of the slopes plays an important role in the profitability and safety of mines. Determination of this damage is also revealed in the widely used Hoek-Brown failure criterion. Of course, this damage is used as a moderating factor in this failure criterion, and its accurate ...  Read More