Results 21 - 30 of 128

• Geologic Characterization
  3/16/2021 - Research areas
  Geologic Characterization Topic Page
• Building Capacity and Enhancing Long-Term Coal mine Weak Roof Stability through Characterization and Modeling of Time-Dependent and Moisture-Sensitive Failure in Shale
  9/18/2020 - Contracts and cooperative agreements
  A capacity building contract with Penn Sate University.
• Design Methodology for Rib Control in Coal Mines
  9/16/2020 - Research projects
  A project to reduce the number of rib fall accidents in Eastern U.S. underground coal mines by way of developing an engineering-based design methodology that defines the appropriate level of rib support required.
• Alternative Mining Methods in Challenging Environments
  9/16/2020 - Research projects
  A project to reduce injuries and fatalities caused by rockburst-related ground failures in underground mines by developing an integrated, systematic approach for monitoring mining-induced seismic events.
• Evaluation of Stress-control Layout at the Subtropolis Mine, Petersburg, Ohio
  1/1/2020 - Peer reviewed journal articles
  A paper detailing the positive aspects, as well as the challenges, of implementing a new stress-control mine layout.
• Ground Response to High Horizontal Stresses During Longwall Retreat and its Implications for Longwall Headgate Support
  2/19/2019 - Peer reviewed journal articles
  An article discussing roof support requirements in the longwall headgate under high horizontal stress in regard to the pattern of supplemental cable bolts and the critical locations where additional supplemental support is necessary.
• Coal Rib Response During Bench Mining: A Case Study
  5/1/2018 - Peer reviewed journal articles
  A study exploring the geomechanics of bench room-and-pillar mining and the associated response of high pillar ribs at overburden depths greater than 300 m.
• Real-Time Hazard Recognition Using Video Gauge
  2/1/2018 - Contracts and cooperative agreements
  A contract to adapt and use existing pattern-detection technology to identify minute changes in the mine environment.
• Ground Monitoring
  1/16/2018 - Research areas
  Ground Monitoring Topic Page
• Geotechnical Considerations for Concurrent Pillar Recovery in Close-distance Multiple Seams
  1/1/2018 - Peer reviewed journal articles
  A paper addressing the geotechnical considerations for concurrent pillar recovery in two coal seams with 21 m of interburden under about 305 m of depth of cover.