Department of Mining Engineering, Article

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Recent Submissions

Failure Analysis of Abutment-Loaded Underground Coal Mine Stoppings during Explosion Karadeniz, Kutay E.; Güner, Doğukan; Sherizadeh, Taghi (2024-06-01) Underground mine structures like mine seals or built-in-place (BIP) refuge alternatives (RA) are exposed to specific loadings like explosions because of overlying and underlying strata conditions. Previous studies worked o...
Numerical back analysis of an underground bulk mining operation using distributed optical fiber sensors for model calibration Nowak, Samuel; Sherizadeh, Taghi; Esmaeelpour, Mina; Brooks, Paul; Guner, Dogukan; Karadeniz, Kutay Emre (2024-03-01) Numerical modeling of complex underground engineering projects such as caverns, tunnels, and bulk mining zones is an essential part of the design phase. Large-scale models require significant reductions in complexity from ...
Investigation on Gold Dissolution Performance and Mechanism in Imidazolium Cyanate Ionic Liquids Zhang, Na; Zhang, Yuxin; Liu, Zhengyu; Liu, Ziyuan; Sun, Chunbao; Altun, Naci Emre; Kou, Jue (2024-02-18) To explore green gold leaching reagents, a series of imidazolium cyanate ionic liquids (ILs), 1-ethyl-3-methyl-imidazolium cyanate ([C2MIM][OCN]), 1-propyl-3-methyl-imidazolium cyanate ([C3MIM][OCN]) and 1-butyl-3-methyl-i...
Simulation-based optimization of workforce configuration for multi-division maintenance departments Gölbaşı, Onur; Sahiner, Sahin Furkan (2024-02-01) The configuration of human resources in a production company that determines the number of employees at different technical or nontechnical competencies engaged in various operational tasks should be constructed to meet th...
İş Kazalarını Önlemede Erken Uyarıların Önemi: Öncü Göstergeler MEVSİM, Rıdvan; Demirel, Nuray (2024-01-28) Bu çalışmada, günümüz güvenlik bilimi teori ve pratiğinde git gide artan bir önem kazanan öncü göstergeler ele alınmıştır. Öncü güvenlik göstergelerinin işyerlerinde etkin kullanımının ve iş güvenliği performansının temel ...
Molecular dynamics simulations of the solubility and conformation change of chitosan grafted polyacrylamide: Impact of grafting rate Zhao, Wei; Zou, Wenjie; Liu, Fengyang; Zhou, Fang; Altun, Naci Emre (2024-01-01) Graft modification is an effective approach to improve the water solubility and molecular weight of chitosan. This work investigated the effect of grafting rate on water solubility of chitosan-grafted polyacrylamide (Chi-g...
Optimizing rare earth element beneficiation using response surface methodology and Knelson concentrator Li, Lixia; Zhou, Mingliang; Liu, Feifei; Liu, Zhe; Altun, Naci Emre; Yuan, Zhitao; Liu, Jiongtian (2024-01-01) The beneficiation of rare earth elements is a crucial process in unlocking the potential of these valuable resources. This study investigates the utilization of response surface methodology in optimizing rare earth benefic...
Water footprint assessment of mining and processing of gold in Turkey Guney, Emre; Demirel, Nuray (2024-01-01) This study aims to identify critical points by calculating the water footprint (WF) of a mine and assessing the environmental impact of this water usage. Utilising the Water Footprint Assessment (WFA) methodology for criti...
Gravity-based pre-concentration strategies for complex rare earth ore containing niobium and zirconium Zhou, Mingliang; Li, Lixia; Liu, Feifei; Liu, Zhichao; Altun, Naci Emre; Yuan, Zhitao; Liu, Jiongtian (2024-01-01) The Balzhe rare earth mine, renowned for its rich reservoirs of niobium, zirconium, and rare earth elements, poses a unique challenge due to its diverse and interbedded mineral composition. Despite the abundance of these e...
Simulation of blast‑induced ground vibrations using a machine learning‑assisted mechanical framework Yardımcı, Ahmet Güneş; Erkayaoğlu, Mustafa (2023-10-01) Blasting, as a cost-effective method of rock breakage, assures a size distribution for efficient material handling in surface andunderground mining. An immense level of energy released from explosive charge in blast holes ...
Distinct Element Analysis for the Effectiveness of Preliminary Coal Pillar Rib Support Systems Based on the Strength Reduction Method Using Coal Mass Constitutive Model Guner, Dogukan; Sherizadeh, Taghi; Nowak, Samuel; Karadeniz, Kutay Emre; Sunkpal, Maurice (2023-10-01) Despite numerous empirical, numerical, and hybrid studies conducted on the subject of coal rib failure, mine fatalities related to rib failures continue to occur at around 1.5 per year between 2009 and 2021. To date, a sta...
Numerical Simulation of Stress Concentrations on Pillars in a Typical Longwall Mine Yardımcı, Ahmet Güneş (2023-06-01) Kömür, zengin kaynaklar ve maliyet etkin üretim avantajları sunması nedeniyle günümüzde halen en sık kullanılan ve genişleyen enerji talebini karşılamak üzere termik santrallerde değerlendirilen bir yakıttır. Uzunayak made...
Dynamic Response Analysis of a Reinforced Concrete Structure in Underground Coal Mine Environment with Various Strata Conditions Karadeniz, Kutay Emre; Nowak, Samuel; Guner, Dogukan; Sherizadeh, Taghi (2023-04-01) Seals and build-in-place (BIP) refuge alternatives (RAs) are two main underground structures to isolate an area from the active working zones with different purposes. While seals are used to prevent methane gas that seeps ...
Forming superhydrophobic surfaces for mineral separation at water pulsating jigs CAMALAN, MAHMUT; Arol, Ali İhsan (2022-10-20) © 2022 Elsevier B.V.Superhydrophobic particles experience less drag force at settling in water. This is because these particles possess air layers around their surfaces, which induce slip at the air-water interface. This s...
Joint roughness profiling using photogrammetry Saricam, Ismail Turgut; Öztürk, Hasan (2022-08-01) We propose an automated camera setup for photogrammetric roughness analysis in the laboratory environment. The developed fast and low-cost automation setup can be very useful for tedious and laborsome manual field logging ...
Developing serious games for CBRN-e training in mixed reality, virtual reality, and computer-based environments Altan, Burak; Gürer, Servet; Alsamarei, Ali; Demir, Damla Kıvılcım; Düzgün, H. Şebnem; Erkayaoğlu, Mustafa; Sürer, Elif (2022-07-01) © 2022 Elsevier LtdIn the last decade, chemical, biological, radioactive, nuclear, and explosive (CBRN-e) attacks have become severe risks to countries, prompting connected parties to prioritize CBRN-e training. CBRN-e tra...
Tensile mode fracture toughness experiments on andesite rock using disc and semi-disc bend geometries with varying loading spans Tutluoglu, Levent; Batan, Ceren; Aliha, M.R.M. (2022-06-01) Purpose of this research is to investigate the effect of loading span on mode I fracture toughness for tests conducted by three-point bend geometries. Mode I fracture toughness tests were conducted on Ankara Golbasi Andesi...
Generic creep behavior and creep modeling of an aged surface support liner under tension Guner, D.; Gölbaşı, Onur; Öztürk, Hasan (2022-04-01) Polymer-based materials have been motivated to be an alternative support system element in the mining/tunneling industry due to their logistic and geotechnical benefits. Thin spray-on liner (TSL), a term to define the appl...
Modelling of continuous centrifugal gravity concentrators using a hybrid optimization approach based on gold metallurgical data Sakuhuni, Givemore; Altun, Naci Emre; Klein, Bern (2022-03-30) Conventional optimization procedures for Continuous Centrifugal Gravity Concentrators (CCGCs) impose a priori weighting on objectives and results in a single optimum point, thereby failing to exploit the competing grade/re...
Effects of abandoned coal mine on the water quality Tozsin, Gülşen; Arol, Ali İhsan; Duzgun, Sebnem; Soydan, Hilal; Torun, Abdulvahit (2022-02-01) Improving effective strategies to control acid mine drainage (AMD) in abandoned mine areas is a significant challenge because of water quality issues. AMD is a serious water pollution problem. The water in the area where t...

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