ACARP ACARP ACARP ACARP
Underground

Coal Burst Monitoring Technology using Microseismicity – Microseismic Data Capturing and Documentation

Underground » Coal Burst

Published: March 20Project Number: C26006

Get ReportAuthor: Xun Luo, Joey Duan, Matt van de Werken | CSIRO

Coal burst is a violent collapse of the coal wall or roof in development, roadways and at the longwall face in underground coal mines. Because it occurs suddenly, with no or very little warning, coal burst is particularly dangerous to nearby mine personnel, mining equipment and infrastructure. A damaging coal burst can cause significant risk to the underground workforce, equipment and production.

It is widely accepted that coal burst is a dynamic failure process mainly driven by in-situ stress that accumulates during mining in the coal seam and nearby geological structures. Fractures and sudden strain release in the coal seam and adjacent roof and floor would occur before coal burst. This dynamic process, disturbance of the fractures and changes in strain release have microseismicity 'fingerprints' or indications.

The aim of this project was to investigate possible correlations between microseismicity and coal burst events for monitoring and prediction. This first stage of the project covered the following work programs:

  • Installation of CSIRO microseismic monitoring systems at three underground coal mines with different coal burst hazard rankings and collection of data for future coal burst research.
  • Documentation of the microseismic data sets and related geology and mining process data and make them available for scientific use for coal burst research.
  • To perform preliminary data processing and evaluation, and provide recommendations for research in the next stage.

Three coal mines in New South Wales were selected as experimental sites for data collection and research:

  • A - ranked as a site with high coal burst risk;
  • B - ranked as a site with medium coal burst risk;
  • C - ranked as a site that has no coal burst risk.

The microseismic monitoring programs conducted at the three coal mines have demonstrated the usefulness of microseismic techniques for monitoring microseismic events in the coal seam and its adjacent rock mass, near roadways and significant geological structures. These events can be used to infer stress conditions inside the seam and map coal weakening processes that may lead to coal burst.

The microseismic data and mine operation data collected from the three mines are valuable for coal burst research and they are available for use by the scientific community.

Underground

Health and safety, productivity and environment initiatives.

Recently Completed Projects

C26070Industrialisation Of Proof Of Concept Wall-Flow DOC + Filter System

The need to protect workers from diesel particulate matter (DPM) had...

C26006Coal Burst Monitoring Technology Using Microseismicity – Microseismic Data Capturing And Documentation

Coal burst is a violent collapse of the coal wall or roof in develop...

C20038Standardised Subsidence Information Management System

As an empirically-based discipline of engineering/science, subsidenc...

Underground

Open Cut

Safety, productivity and the right to operate are priorities for open cut mine research.

Recently Completed Projects

C27046Estimation Of True Deformation Vector From Slope Radar Monitoring

Slope deformation radar monitors are now widely used in open cut coa...

C29003Wear Debris Removal From Dragline Commutators

The original aim of this project was to establish a method of removi...

C28037Local Scale Dispersion Modelling To Support ACARP Emission Factors

There remains significant concern in the industry regarding the accu...

Open Cut

Coal Preparation

Maximising throughput and yield while minimising costs and emissions.

Recently Completed Projects

C6046Optimising Coal Fragmentation For Improved Recovery

Uncontrolled fragmentation, in particular that resulting in the gene...

C25019Adaptation Of Coal Grain Analysis To Improve Flotation Yield Estimation

This project involved sampling of full-scale flotation circuits at ...

C27033Comprehensive Flotation Model Using CGA Particle Surface Composition

The aim of this project was to adapt existing particle based flotat...

Coal Preparation

Technical Market Support

Market acceptance and emphasising the advantages of Australian coals.

Recently Completed Projects

C24057Using CGA To Investigate The Links Between Inertinite Fusibility And Coke Structure

Previous projects C16047 and C20008 identified some coals from diffe...

C27036Improved Understanding Of Coke Quality Using 3D Immersive Visualisation And Statistical Characterisation Of Microstructure Properties

This project carried out an explorative study into the use of a 3D v...

C27047Combustion Characteristics Of Australian Export Thermal Coal Using Advanced Imaging Techniques

During pulverised fuel combustion, coal particles are rapidly pyroly...

Technical Market Support

Mine Site Greenhouse Gas Mitigation

Mitigating greenhouse gas emissions from the production of coal.

Recently Completed Projects

C26004CFD Modelling Of Reverse Thermal Oxidisers For VAM Abatement - CFD Modelling Of Fixed-Bed RTO Devices

The project is part of a larger multi‐phase program of study a...

C27058Technological Assessment Of A Recycle Reactor For VAM Abatement

Underground coal mining emits high volumes of methane, diluted in ve...

C27008Selective Absorption Of Methane By Ionic Liquids

The connection of a ventilation air methane (VAM) abatement plant di...

Mine Site Greenhouse Gas Mitigation

Low Emission Coal Use

Step-change technologies aimed at reducing greenhouse gas emissions.

Recently Completed Projects

C17060BGasification Of Australian Coals

Four Australian coals were trialled in the Siemens 5 MWth pilot scale ga...

C17060AOxyfuel Technology For Carbon Capture And Storage Critical Clean Coal Technology - Interim Support

The status of oxy-fuel technology for first-generation plant is indicate...

C18007Review Of Underground Coal Gasification

This report consists of a broad review of underground coal gasification,...

Low Emission Coal Use

Mining And The Community

The relationship between mines and the local community.

Recently Completed Projects

C16027Assessing Housing And Labour Market Impacts Of Mining Developments In Bowen Basin Communities

The focus of this ACARP-funded project has been to identify a number...

C22029Understanding And Managing Cumulative Impacts Of Coal Mining And Other Land Uses In Regions With Diversified Economies

The coal industry operates in the context of competing land-uses that sh...

C23016Approval And Planning Assessment Of Black Coal Mines In NSW And Qld: A Review Of Economic Assessment Techniques

This reports on issues surrounding economic assessment and analysis ...

Mining And The Community

NERDDC

National Energy Research,Development & Demonstration Council (NERDDC) reports - pre 1992.

Recently Completed Projects

1609-C1609Self Heating of Spoil Piles from Open Cut Coal Mines

Self Heating of Spoil Piles from Open Cut Coal Mines

1301-C1301Stress Control Methods for Optimised Development...

Stress Control Methods for Optimised Development and Extraction Operations

0033-C1356Commissioned Report: Australian Thermal Coals...

Commissioned Report: Australian Thermal Coals - An Industry Handbook

NERDDC