Z. Agioutantis
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View article: Effectiveness of Continuous Surface Mining Systems: Lessons Learned from Six Decades of Lignite Extraction in Western Macedonia, Greece
Effectiveness of Continuous Surface Mining Systems: Lessons Learned from Six Decades of Lignite Extraction in Western Macedonia, Greece Open
The South Field Mine, situated in Western Macedonia, Greece, has used continuous surface mining systems: bucket wheel excavators (BWEs), belt conveyors, and stackers for over four decades of uninterrupted operation. This paper, using the p…
View article: Reducing Product Loss Through Ventilation in Bourbon Maturation Warehouses
Reducing Product Loss Through Ventilation in Bourbon Maturation Warehouses Open
The aging process of bourbon within rickhouses is influenced by various environmental factors, including temperature, humidity, air flow, and air quality. Most rickhouses are not climate-controlled, and natural ventilation is a major contr…
View article: Evolve CAPP Final Report
Evolve CAPP Final Report Open
The Evolve Central Appalachia (Evolve CAPP) project is investigating the rare earth and critical mineral resource potential of the Central Appalachian basin, spanning Virginia, West Virginia, Kentucky, and Tennessee. This initiative aims t…
View article: Equipment and Operations Automation in Mining: A Review
Equipment and Operations Automation in Mining: A Review Open
The mining industry is undergoing a transformative shift driven by the rapid advancement and adoption of automation technologies. This paper provides a comprehensive overview of the current state of automation in mining, examining the tech…
View article: Integrating robotic systems in underground roof support machine
Integrating robotic systems in underground roof support machine Open
Traditionally, the roof bolting process is performed manually by skilled workers, which can be time-consuming and labor-intensive. It often exposes human operators to a number of risks. The bolt installation in underground coal mining oper…
View article: Multi-robot geometric task-and-motion planning for collaborative manipulation tasks
Multi-robot geometric task-and-motion planning for collaborative manipulation tasks Open
We address multi-robot geometric task-and-motion planning (MR-GTAMP) problems in synchronous , monotone setups. The goal of the MR-GTAMP problem is to move objects with multiple robots to goal regions in the presence of other movable objec…
View article: Multi-Robot Geometric Task-and-Motion Planning for Collaborative Manipulation Tasks
Multi-Robot Geometric Task-and-Motion Planning for Collaborative Manipulation Tasks Open
We address multi-robot geometric task-and-motion planning (MR-GTAMP) problems in synchronous, monotone setups. The goal of the MR-GTAMP problem is to move objects with multiple robots to goal regions in the presence of other movable object…
View article: Geophysical Research on an Open Pit Mine for Geotechnical Planning and Future Land Reclamation: A Case Study from NW Macedonia, Greece
Geophysical Research on an Open Pit Mine for Geotechnical Planning and Future Land Reclamation: A Case Study from NW Macedonia, Greece Open
In open pit mining areas, knowledge of geotechnical conditions (e.g., overburden thickness, background slope, and fault locations) ensures geotechnical safety during exploitation as well as reclamation planning. The Greek Public Power Corp…
View article: LiDAR navigation in underground openings
LiDAR navigation in underground openings Open
In recent decades, the technological advances in the fields of artificial intelligence, data analytics, computer architecture, and wireless communication enable the ever-increasing integration of autonomous solutions into the mining indust…
View article: Managing and Utilizing Big Data in Atmospheric Monitoring Systems for Underground Coal Mines
Managing and Utilizing Big Data in Atmospheric Monitoring Systems for Underground Coal Mines Open
Underground coal mining Atmospheric Monitoring Systems (AMS) have been implemented for real-time or near real-time monitoring and evaluation of the mine atmosphere and related parameters such as gas concentration (e.g., CH4, CO, O2), fan p…
View article: Parametric Analysis of Rib Pillar Stability in a Longitudinal Sublevel Open Stoping Operation in an Underground Copper Mine in Southern Africa
Parametric Analysis of Rib Pillar Stability in a Longitudinal Sublevel Open Stoping Operation in an Underground Copper Mine in Southern Africa Open
The pillar stability factor (PSF) is calculated in three different mining stages for a sublevel open stoping mining project located in northern Botswana. Several three-dimensional finite element models were developed by varying the stope s…
View article: Data Management System for a Semiautonomous Shuttle Car for Underground Room and Pillar Coal Mines
Data Management System for a Semiautonomous Shuttle Car for Underground Room and Pillar Coal Mines Open
In recent years, autonomous solutions in the multidisciplinary field of mining engineering have been an extremely popular applied research topic. This is a result of the increasing demands of society on mineral resources along with the acc…
View article: A preliminary application of a machine learning model for the prediction of the load variation in three-point bending tests based on acoustic emission signals
A preliminary application of a machine learning model for the prediction of the load variation in three-point bending tests based on acoustic emission signals Open
The load variation during three-point bending (TPB) tests on prismatic Nestos (Greece) marble specimens instrumented by piezoelectric sensors is predicted using acoustic emission (AE) signals. The slope of the cumulative amplitude vs the p…
View article: Investigation of the size effect and the fracture process on the uniaxial compressive strength of the banded Alfas porous stone
Investigation of the size effect and the fracture process on the uniaxial compressive strength of the banded Alfas porous stone Open
This paper focuses on the experimental and numerical investigation of the size effect and the fracture process on the uniaxial compression strength (UCS) of the banded Alfas porous stone. This natural building material excavated in Rethimn…
View article: A simplified damage evolution relationship and deformation character¬istics of a pozzolanic lime mortar when subjected to unloading-reloading cycles in the pre-peak region
A simplified damage evolution relationship and deformation character¬istics of a pozzolanic lime mortar when subjected to unloading-reloading cycles in the pre-peak region Open
Two series of uniaxial and triaxial compression tests including unloading-reloading cycles were performed under different confining press¬ures, in order to study the stress-strain and the deformation behavior of a pozzolanic lime mortar su…
View article: On the experimental investigation of pozzolanic lime mortar stress-strain behavior and deformation characteristics when subjected to unloading-reloading cycles
On the experimental investigation of pozzolanic lime mortar stress-strain behavior and deformation characteristics when subjected to unloading-reloading cycles Open
Two series of uniaxial and triaxial compression tests using unloading-reloading cycles (cyclic loading) were performed under different confining pressures, in order to study the stress-strain and the deformation behavior of pozzolanic lime…
View article: Development of a new algorithm for implementing the edge effect offset for subsidence calculations
Development of a new algorithm for implementing the edge effect offset for subsidence calculations Open
The surface deformation prediction system (SDPS) program has been developed as an engineering tool for the calculation of subsidence deformation indices through the implementation of various prediction methods. From basic user-defined inpu…
View article: Experimental investigation of the mechanical properties of Alfas stone
Experimental investigation of the mechanical properties of Alfas stone Open
This paper focuses on the experimental investigation of the mechanical properties of the Alfas natural building stone. Two series of uniaxial compression tests and indirect tensile tests (Brazilian tests) were performed in order to determi…
View article: Using acoustic emissions to enhance fracture toughness calculations for CCNBD marble specimens
Using acoustic emissions to enhance fracture toughness calculations for CCNBD marble specimens Open
Rock fracture mechanics has been widely applied to blasting, hydraulic fracturing, mechanical fragmentation, rock slope analysis, geophysics, earthquake mechanics and many other science and technology fields. Development of failure in brit…