Proceedings of the International Conference on Innovations for Sustainable and Responsible Mining

Name: Proceedings of the International Conference on Innovations for Sustainable and Responsible Mining | ISRM 2020 - Volume 1
Brand: Springer
Price: 149.79 EUR
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ISRM 2020 - Volume 1

Xuan-Nam Bui Changwoo Lee Carsten Drebenstedt(Herausgeber*in)

Springer (Verlag)

1. Auflage

Erschienen am 25. Oktober 2020

XIV, 564 Seiten

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978-3-030-60839-2 (ISBN)

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Inhalt

Intro
Preface
Organization
List of Reviewers
Contents
About the Editors
Assessment of Global Digital Height Models over Quang Ninh Province, Vietnam
1 Introduction
2 Study Area and Datasets
2.1 Study Area
2.2 Datasets
3 Methods
4 Results and Discussion
5 Conclusions
References
Rock Mass Classification for the Assessment of Blastability in Tropically Weathered Limestones
1 Introduction
1.1 Statement of the Problem
1.2 Objectives of the Study
1.3 Scope of the Study
2 Literature Review
3 Blastability Index (BI)
3.1 Blastability Index by [43]
4 Comparison of Application Based Rock Mass Classification Systems with Blastability
4.1 Excavation Assessment with Rock Mass Classification
4.2 Assessment of Slope Stability with Rock Mass Classification
5 Development Rock Mass Classification Systems for Karst
5.1 Karst Classification from an Engineering Perspective
5.2 Tower and Cone Karst System
6 Findings of Site Study
6.1 Site Study of Limestone Quarry at Thailand
6.2 Site Study of Limestone Quarry at Cambodia
6.3 Site Study of Limestone Quarry at Sri Lanka
7 Comparison of Tropically Weathered Limestones in Thailand, Cambodia and Sri Lanka
8 Need for Future Research
9 Conclusion
References
Study on the Reasonable Parameters of the Concentric Hemisphere-Style Shaped Charge for Destroying Rock
1 Introduction
2 Analysing Theoretical Basis of Direct Mechanical Effects of Explosive Products
3 Determining the Reasonable Congruent Parameters of the Shaped Charge
3.1 Establishing a Rule Depends on the Explosive Energy Efficiency of Concentrated Sphere-Shaped Explosive Volume with a Concentric Conical Cone
3.2 Analysis and Selection of Reasonable Uniform Parameters of the Concentric Concave Spherical Charge
4 Experimental Framework
4.1 Purpose
4.2 Describe the Experimental Model and the Method of Conducting the Experiment
4.3 Experimental Results
5 Analysis of Experimental Results
6 Conclusions
References
Effect of Carbon Nanotubes on the Chloride Penetration in Ultra-High-Performance Concrete
1 Introduction
2 Materials and Methods
2.1 Materials
2.2 Experimental Methods
2.3 Concrete Mix Proportions
2.4 Mixing Procedure, Curing Conditions
3 Experimental Results and Discussion
3.1 Flow of Freshly Mixed UHPC
3.2 Compressive Strength
3.3 The Microstructure of UHPC Using CNTs
3.4 Chloride ion Concentration and Chloride ion Diffusion in Concrete
4 Conclusions
References
Estimating the Radial Displacement on the Tunnel Boundary Within Efficient Working Area of Rock Tunneling Quality Index (Q-System)
1 Introduction
2 The Efficient Working Area of Q-system
3 Cases Study and Numerical Model
4 Evaluation of Rock Mass and Rock Support Parameters
5 Results and Discussion
6 Conclusions
References
Two Novel Predictive Networks for Slope Stability Analysis Using a Combination of Genetic Programming and Artificial Neural Network Techniques
1 Introduction
2 Artificial Intelligence Systems
3 Data Collection and Problem Statement
4 Model Development for Prediction of N2c
5 Results and Discussion
6 Models Evaluation and Design Solution Charts
7 Conclusions
References
A Review of Artificial Intelligence Applications in Mining and Geological Engineering
1 Introduction
2 Applications of Artificial Intelligence in Mining and Geological Engineering
2.1 Rock Mechanics
2.2 Mining Method Selection
2.3 Mining Equipment Selection
2.4 Drilling-Blasting
2.5 Slope Stability
2.6 Environmental Issues
2.7 Mineral and Groundwater Potential Mapping
3 Discussion
4 Conclusion
References
River Sand Mining Vis a Vis Manufactured Sand for Sustainability
1 Introduction
2 Global Scenario of Sand
3 Environmental Impacts of Sand Mining
3.1 A Case Study on Sand Policy in Telangana State, India
3.2 River Sand Mining Management in Malaysia [46]
3.3 Individual Government's Role as Per United Nations Guidelines for Sustainability [12]
4 Manufactured Sand + V7 Sand
4.1 Manufactured Sand Plant
4.2 V7 Dry Sand Making Machine
5 Aggregates and Sand Specification
5.1 ASTM and AASHO Standards for Aggregates
6 Need of Future Research
7 Conclusions
References
Evaluating the Effect of Meteorological Conditions on Blast-Induced Air Over-Pressure in Open Pit Coal Mines
1 Introduction
2 Materials and Methods
2.1 Study Site
2.2 Multiple AQ (Air Quality) Monitoring System
2.3 Blasting Vibration and Tilt Wireless Monitoring Solutions
3 Results and Discussion
4 Conclusions
References
Development of a Blasting Vibration Monitoring System Based on Tri-axial Acceleration Sensor for Wireless Mesh Network Monitoring
1 Backgrounds
2 Development of New Type Blasting Vibration Monitor
3 In-Situ Test for the Comparative Study
4 Test Results
4.1 Peak Particle Velocity(Vertical) Comparisons
4.2 Correlation Analysis of the Full Waveform
4.3 Domain Frequency Comparisons
4.4 Results of the Wireless Data Transferring
5 Conclusions
References
Utilizing a Novel Artificial Neural Network-Based Meta-heuristic Algorithm to Predict the Dust Concentration in Deo Nai Open-Pit Coal Mine (Vietnam)
1 Introduction
2 Methodology
2.1 Levenberg-Marquardt Backpropagation Neural Network
2.2 Genetic Algorithm
2.3 Proposing the Novel GA-LMBPNN Model for Predicting PM10 Concentrations
2.4 Model Assessment Methods
3 Study Site and Data Acquisition
4 Results and Discussion
5 Conclusion
References
Evaluating the Air Flow and Gas Dispersion Behavior in a Deep Open-Pit Mine Based on Monitoring and CFD Analysis: A Case Study at the Coc Sau Open-Pit Coal Mine (Vietnam)
1 Introduction
2 Study Area and Methodology
3 Data Collection and Its Characteristics
4 Atmospheric Stability Classes
5 CFD Analysis of the Atmospheric Flow and the CO Gas Dispersion
6 Summaries and Conclusions
References
Numerical Investigation of Characteristics of Mine Ventilation Using One or Two Ducts in Underground Mining Faces
1 Introduction
2 Mining Face and Workplace Arrangement
3 Numerical Approach and Procedures
3.1 Independency of Numerical Grids
3.2 CFD Modeling
3.3 Turbulence Modeling and Solution Convergence
4 Numerically Predicted Flow Characteristic and Distribution of Coal Dust and Methane
4.1 Verification of Computation Model
4.2 Distribution Characteristics of Airflow
4.3 Distribution of Methane Using One or Two Ducts
4.4 Distribution of Coal Dust Using One or Two Ducts
5 Summary and Conclusions
References
An Experimental Study on the Turbulent Diffusion Coefficients in Large-Opening Multi-level Limestone Mines
1 Introduction
2 Study Area and Methodology
2.1 Contaminant Diffusion Mechanism
2.2 Experimental Site
2.3 Experimental Method
3 Experimental Results
3.1 Air Velocity Measurement
3.2 The Turbulent Diffusion Coefficient in the Total Mine Ventilation System
3.3 The Turbulent Diffusion Coefficient in the Blind Airway
4 Conclusion
References
Increasing Productivity and Safety in Mining as a Chance for Sustainable Development of Vietnam's Mining Industry
1 Introduction
2 What Is Productivity?
3 The Yardsticks of Productivity in the Coal Industry
4 Productivity and Safety in Vietnam's Underground Coal Mines
4.1 The Data and Method of Measuring the Productivity of Underground Coal Mines in Quang Ninh Coalfield
4.2 The Results of Productivity Measurement of Underground Coal Mines in Quang Ninh Coalfield
5 Safety and Productivity in Underground Coal Mines
6 Technological Change and Productivity in Vietnam's Underground Coal Mines
7 Sources for Improving Productivity and Work Safety for Underground Coal Mines in Quang Ninh Coalfield
8 Conclusions
References
Analytical Study on the Stability of Longwall Top Coal Caving Face
1 Introduction
2 Field Observation at Quang Ninh Mechanised Faces
3 Mechanical Model of Seam-Support-Roof Interaction
3.1 Mechanical Model
3.2 Extent of Face Spall
3.3 Calculation Result
4 Conclusions
References
Recycling Ash and Slag of the Thermal Power Plant to Replace Protective Pillars in Mao Khe Coal Mine, Vietnam
1 Introduction
2 Introduction of the Coal Reserve at the Southern Wing Area of the Mao Khe Coal Mine Under the Protected Surface Works
3 Determination of Safe Mining Depth Under the Protected Surface Works
3.1 Safe Mining Depth Under Residential Areas
3.2 Safe Mining Depth Under Power Lines
3.3 Determination of Safe Mining Depth Under Water-Filled Objects (Streams, Ponds, Reservoirs or Old Tunnels, Open Pits)
4 Assessment of the Possibility of Using Ash and Slag from the Mao Khe Thermal Power Plants as Insertion Material
5 Proposal and Calculation of Technical Solutions to Apply for the Mining Area
5.1 Proposal for the Opening Solution
5.2 Technical Instructions to Keep Longwall Face
5.3 Insertion Operation and Roof Control
5.4 Calculation of the Degree of Surface Displacement Using the Insertion Method
6 Conclusion
References
Development of the Global 21st Century Mining Technical Services Professional: The WMI-SAGE Collaborative Model
1 Introduction
2 Twenty-First Century Mining Challenges Informing Qualifications and Skills Design
2.1 Mineral Resource Management Challenges
2.2 Mining Geomechanical Challenges
2.3 Mine Health and Safety Challenges
2.4 Effectiveness of the Current BS-MS Mining Education System
3 Qualifications and Skills for 21st Century Mining
3.1 A Multi-disciplinary Approach for the New World of Work for Mining
3.2 Application to the Technical Services Professional in Mining
4 Implementation of the WMI-SAGE 21st Century Mining Technical Services Framework for Professional Development
4.1 A Government-Academia-Industry Linkage Framework
4.2 WMI-SAGE Mining Technical Services Qualification and Skills Framework
4.3 Joint WMI-SAGE Research Agenda
4.4 Extension of WMI-SAGE Collaboration to Benefit Pakistan
5 Conclusion
References
Assessment of Feasible and Effective Technologies for the Chemical Utilization of Domestic Coal for Value-Added Production in Vietnam
1 Introduction
2 Technology Overview
2.1 Gasification Technologies
2.2 Fischer Tropsch (FT) Technologies
3 Technology Evaluation for the Production of FT-Diesel from Anthracite in Vietnam
3.1 Evaluation of the Suitability of Gasification Technologies
3.2 Evaluation of the Suitability of FT Technologies
3.3 Perspective: Gas Loop and Product Recovery
4 Summary
References
Shrinkage Cracking During Filtration Experiments - Influence of Suspension Concentration on Crack Formation
1 Introduction
2 Materials and Method
2.1 Samples Preparation and Properties
2.2 Nutsche Experiments and Output Parameters
2.3 Tensile Stress Between Particles on Filter Cake
3 Result and Discussion
3.1 Influence of Particle Size on Crack Formation
3.2 Influence of Volume Fraction on Crack Formation
4 Summary and Discussion
References
Modern Methods of Dry Mineral Separation - Polish Experience
1 Introduction
2 Dry Beneficiation Separators Used in Tests
2.1 FGX Air-Vibrating Separator
2.2 CXR X-Ray Sorter
2.3 Laboratory Air Jig
3 Results and Discussions
3.1 FGX Air-Vibrating Separator
3.2 CXR X-Ray Sorter
3.3 Laboratory Air Jig
4 Industrial Applications and Patents Granted
5 Conclusions
References
Becher Method Application for Ilmenite Concentrates of Vietnam
1 Introduction
2 Evaluation of Processing Methods
2.1 Titanium Slag Smelting
2.2 Hydrometallurgical Methods for Processing of Titanium Concentrates
2.3 Evaluation and Selection of Processing Methods
3 Results and Discussions
4 Conclusions
References
Upgrading of Vang Danh Coal Fines Using Reflux Flotation Cell
1 Introduction
2 Experiment Method
2.1 Material
2.2 Reagents
2.3 Method
3 Results and Discussion
3.1 Factorial Flotation Test
3.2 Effect of Flotation Time
3.3 Effect of Solid Content
3.4 Effect of Feed Rate
3.5 Effect of Froth Thickness
3.6 Effect of Wash Water Flowrate
3.7 Effect of Collector Dosage
3.8 Effect of Frother Dosage
4 Conclusions
References
Silicosis Prevalence and Associated Factors Among High-Risk Population Group in Vietnam in 2018-2019
1 Introduction
2 Materials and Methods
2.1 Study Population and Location
2.2 Data Collection
2.3 Statistical Analysis
3 Results
4 Discussion
5 Conclusion
References
Knowledge, Attitude, and Practices (KAP) on Silicosis Among High-Risk Worker Population in Five Provinces in Vietnam
1 Introduction
2 Methodology
2.1 Study Setting, Sample Size, and Sampling Method
2.2 Measures and Instruments
2.3 Statistical Analysis
3 Results
4 Discussion
4.1 Education Level and Knowledge, Attitude, Practices on Silicosis
4.2 Poor Knowledge, Attitude, and Practices in Entry-Level Workers
4.3 Smoking and Silicosis
4.4 The Importance of Regular Health Checkups
4.5 Frequent Use of Facemasks
4.6 Other Prevention Practices
4.7 Strengths and Limitation of the Study
5 Conclusion
References
The Impact of Afforestation on Seepage Water Formation on Post-mining Spoil Heaps and Dumps - Results of Water Balance Modeling
1 Introduction
2 Sites and Methods
2.1 Tailing Piles of Potash Mining
2.2 Legacies of Hard Coal and Lignite Mining
3 Results
3.1 Tailings Piles of Potash Mining
3.2 Comparison of Different Pile Forests
4 Discussion and Conclusions
4.1 Tailings Piles of Potash Mining
4.2 Comparison of Different Pile Forests
References
A Conceptual Digital Framework for Near Real-Time Monitoring and Management of Mine Tailing Storage Facilities
1 Introduction
2 Background and Leading Practices on the Management of TSFs
2.1 Background
2.2 Tailings Dam Types
2.3 TSF Leading Practices
2.4 Regulatory Requirements on TSFs
3 Monitoring Technologies and Considerations for TSFs Design
3.1 Suitable Monitoring Technologies for TSFs Design
3.2 Considerations for Tailings Storage Facilities Design
3.3 Existing Tailings Monitoring Systems
4 Proposed Conceptual Framework for Near Real-Time Monitoring and Management of TSFs
4.1 Geotechnical Monitoring
4.2 Geochemical Monitoring
4.3 Social-Environmental Monitoring
4.4 Hydro-Meteorological Monitoring
4.5 Data Analysis and Decision Making
5 Conclusion and Recommendations
References
Research on the Use of Fly Ash for Underground Mine Supports in Quang Ninh Coal Area
1 Introduction
2 Methodology
3 Method of Fly Ash Concrete Mixing
4 The Results of Concrete Mixing Design for Concrete Insert Plates
5 Effects of Environmental Protection Due to Using Fly Ash to Making Concrete Insert Plate
6 Conclusion
References
The Potential Use of Waste Rock from Coal Mining for the Application as Recycled Aggregate in Concrete
1 Introduction
2 Materials and Methods
2.1 Materials
2.2 Concrete Mix Proportioning
2.3 Experimental Methods
3 Experimental Results and Discussion
3.1 Properties of Waste Rock from Mines
3.2 Properties of Concrete Mixtures and Hardened Concrete Using Mine Waste Rock
4 Conclusions
References
Author Index

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