Kinetics of Sphalerite Leaching by Sodium Nitrate in Sulfuric Acid
1. Kinetics of Sphalerite Leaching by Sodium Nitrate in Sulfuric Acid

M. Hasani; Seyed M. J. Koleini; A. Khodadadi

Volume 7, Issue 1 , Winter 2016, Pages 1-12

Abstract
  In the present work, the extraction of zinc from a sphalerite concentrate using sodium nitrate as an oxidant in a sulfuric acid solution was investigated. The effective parameters such ...  Read More
Extension of Excavation Damaged Zone Due to Longwall Working Effect
2. Extension of Excavation Damaged Zone Due to Longwall Working Effect

H. Mohammadi; M. A. Ebrahimi Farsangi; H. Jalalifar; A. R. Ahmadi; A. Javaheri

Volume 7, Issue 1 , Winter 2016, Pages 13-24

Abstract
  In advance longwall mining, the safety of mine network, production rate, and consequently, economic conditions of a mine are dependent on the stability conditions of gate roadways. ...  Read More
Probabilistic analysis of stability of chain pillars in Tabas coal mine in Iran using Monte Carlo simulation
3. Probabilistic analysis of stability of chain pillars in Tabas coal mine in Iran using Monte Carlo simulation

M. Najafi; Seyed M. E. Jalali; F. Sereshki; A. Yarahmadi Bafghi

Volume 7, Issue 1 , Winter 2016, Pages 25-35

Abstract
  Performing a probabilistic study rather than a determinist one is a relatively easy way to quantify the uncertainty in an engineering design. Due to the complexity and poor accuracy ...  Read More
Development of a mechanical earth model in an Iranian off-shore gas field
4. Development of a mechanical earth model in an Iranian off-shore gas field

E. Bozorgi; D. Javani; M. Rastegarnia

Volume 7, Issue 1 , Winter 2016, Pages 37-46

Abstract
  Wellbore instability is a quite common event during drilling, and causes many problems such as stuck pipe and lost circulation. It is primarily due to the inadequate understanding of ...  Read More
A New Approach for Obtaining Settling Velocity in a Thickener Using Statistical Regression: A Case Study
5. A New Approach for Obtaining Settling Velocity in a Thickener Using Statistical Regression: A Case Study

M. Hosseini Nasab

Volume 7, Issue 1 , Winter 2016, Pages 47-56

Abstract
  In this research work, the parameters affecting the settling velocity within the thickeners were studied by introducing an equivalent shape factor. Several thickener feed samples of ...  Read More
Negative impacts of mine exploitations on rural regions of Tekab Township
6. Negative impacts of mine exploitations on rural regions of Tekab Township

Gh. Mojarradi; R. Rezaei; A. Ketabi

Volume 7, Issue 1 , Winter 2016, Pages 57-66

Abstract
  This descriptive analytical survey was aimed to study the negative impacts of mine exploitations carried out in the rural regions of the Tekab Township located in Iran. The statistical ...  Read More
Joint inversion of ReMi dispersion curves and refraction travel times using particle swarm optimization algorithm
7. Joint inversion of ReMi dispersion curves and refraction travel times using particle swarm optimization algorithm

A. Zarean; R. Poormirzaee

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

Abstract
  Shear-wave velocity ( ) is an important parameter used for site characterization in geotechnical engineering. However, dispersion curve inversion is challenging for most inversion methods ...  Read More
Impact of mining on groundwater quality in SW Ashanti, Ghana: a preliminary study
8. Impact of mining on groundwater quality in SW Ashanti, Ghana: a preliminary study

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

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

Abstract
  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 ...  Read More
Estimation of Cadmium and Uranium in a stream sediment from Eshtehard region in Iran using an Artificial Neural Network
9. Estimation of Cadmium and Uranium in a stream sediment from Eshtehard region in Iran using an Artificial Neural Network

F. Razavi Rad; F. Mohammad Torab; A. Abdollahzadeh

Volume 7, Issue 1 , Winter 2016, Pages 97-107

Abstract
  Considering the importance of Cd and U as pollutants of the environment, this study aims to predict the concentrations of these elements in a stream sediment from the Eshtehard region ...  Read More
Monitoring and assessment of pollutants resulting from bench-blasting operations
10. Monitoring and assessment of pollutants resulting from bench-blasting operations

J. Abdollahisharif; E. Bakhtavar; H. Nourizadeh

Volume 7, Issue 1 , Winter 2016, Pages 109-118

Abstract
  Nitrogen oxides and carbon monoxide gases together with dust are known as the major pollutants arising during the blasting operations using the ammonium nitrate-fuel oil (ANFO) explosive ...  Read More
Dimensionality analysis of subsurface structures in magnetotellurics using different methods (a case study: oil field in Southwest of Iran)
11. Dimensionality analysis of subsurface structures in magnetotellurics using different methods (a case study: oil field in Southwest of Iran)

M. Filbandi Kashkouli; A. Kamkar Rouhani; Ali Moradzadeh; H. Assi

Volume 7, Issue 1 , Winter 2016, Pages 119-126

Abstract
  Magnetotelluric (MT) method is an electromagnetic technique that uses the earth natural field to map the electrical resistivity changes in subsurface structures. Because of the high ...  Read More
Risk prediction based on a time series case study: Tazareh coal mine
12. Risk prediction based on a time series case study: Tazareh coal mine

M. Mohseni; M. Ataei

Volume 7, Issue 1 , Winter 2016, Pages 127-134

Abstract
  In this work, the time series modeling was used to predict the Tazareh coal mine risks. For this purpose, initially, a monthly analysis of the risk constituents including frequency ...  Read More
Production of artificial stone slabs using waste granite and marble stone sludge samples
13. Production of artificial stone slabs using waste granite and marble stone sludge samples

K. Barani; H. Esmaili

Volume 7, Issue 1 , Winter 2016, Pages 135-141

Abstract
  In this work, the waste stone sludge obtained from the granite and marble stone processing factories was used for the manufacture of artificial stones using vibratory compaction in ...  Read More