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  • Home
  • About Agapito
    • Client List
    • Contact
    • Employment
    • News
    • Personnel
  • Mining Engineering
    • Highwall Mining
    • Stone Mining
    • Surface Mining
    • Underground Mining
  • Solution Mining
  • Underground Storage
  • Project Feasibility
    • Due Diligence
    • Feasibility
    • Geology
    • Ground Control
    • Resource / Reserve
    • Scoping
    • Subsidence
    • Underground Civil Engineering
    • Ventilation Engineering
  • Rock Mechanics
    • Instrumentation
    • Laboratory Testing
    • Modeling
    • Stress Measurements

Publications: Rock Mechanics

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A Liquid Settlement System for Measuring Roof Sag during Development Mining—A Comparison between Place Change Mining and a Miner-Bolter
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Posted June 24, 2014

A Liquid Settlement System for Measuring Roof Sag during Development Mining—A Comparison between Place Change Mining and a Miner-Bolter

2014 International Ground Control Conference on Mining, July 29-31, Morgantown, West Virginia, USA Authors: Andy Shaffer (AAI) and James D. Pile (BHP Billiton) A novel liquid settlement system [...]

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Modeling Block Cave Subsidence at the Molycorp, Inc., Questa Mine Mine—A Case Study
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Posted January 31, 2011

Modeling Block Cave Subsidence at the Molycorp, Inc., Questa Mine Mine—A Case Study

(© Copyright 2005, ARMA, American Rock Mechanics Association) Alaska Rocks 2005, 40th U.S. Symposium on Rock Mechanics: Rock Mechanics for Energy, Mineral and Infrastructure Development in the [...]

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Evaluation of Ground Control Requirements for D Orebody Load-Haul-Dump Block Molycorp
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Posted January 31, 2011

Evaluation of Ground Control Requirements for D Orebody Load-Haul-Dump Block Molycorp

41st U.S. Symposium on Rock Mechanics, Golden, Colorado, USA, July 17-21, 2006 Authors: B. Yu, L. J. Gilbride and J. F. T. Agapito (AAI) Molycorp, Inc.’s Questa Mine plans to switch from gravity [...]

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Assessment of Gate Road Loading Under Deep Western U.S. Conditions
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Posted August 31, 2010

Assessment of Gate Road Loading Under Deep Western U.S. Conditions

3rd International Workshop on Coal Pillar Mechanics and Design, Morgantown, West Virginia, July 26, 2010 Authors: Tom Vandergrift and David Conover (AAI) Currently accepted longwall abutment [...]

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Recent Experience Using Telltale Roof Monitoring Systems
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Posted August 25, 2010

Recent Experience Using Telltale Roof Monitoring Systems

29th International Conference on Ground Control in Mining, Morgantown, West Virginia, July 27–29, 2010 Authors:  D. Conover and T. Ross (AAI) and D. Bigby (Golder Associates (UK) Ltd) Extensive [...]

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Ground Control Design Challenges at the El Boleo Copper Project
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Posted August 25, 2010

Ground Control Design Challenges at the El Boleo Copper Project

28th International Conference on Ground Control in Mining, Morgantown, West Virginia, July 28–30, 2009 Authors:  D. Conover and T. Ross (AAI) and S. Britton (Baja Mining Corp.) The El Boleo [...]

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Horizontal Stresses as Indicators of Roof Stability
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Posted May 3, 2010

Horizontal Stresses as Indicators of Roof Stability

2002 SME Annual Meeting, Phoenix, Arizona, 25–27 February 2002 Authors: J. F. T. Agapito and L. J. Gilbride (AAI) High horizontal stresses were recognized to impact roof stability more than 60 [...]

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Understanding and Solving Roof Control Problems in Stone Mines
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Posted May 3, 2010

Understanding and Solving Roof Control Problems in Stone Mines

2002 SME Annual Meeting & Exhibit, February 25–27, Phoenix, Arizona Authors: F. S. Kendorski (AAI) Several startup or longtime underground stone mines have experienced unanticipated roof [...]

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Posted May 3, 2010

Towards an Improved Stone Mine Pillar Design Methodology: Observations from a Mistake

26th International Ground Control Conference in Mining 2007 Authors: Francis S. Kendorski (AAI) The mining engineering design professional has limited practical and reliable tools for planning [...]

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Stability Assessment of an Underground Limestone Mine–A Case Study
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Posted May 3, 2010

Stability Assessment of an Underground Limestone Mine–A Case Study

Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics: Rock Mechanics for Energy, Mineral and Infrastructure Development in the Northern Regions, Anchorage, Alaska, June 25-29, 2005 [...]

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Posted April 30, 2010

Prefailure Pillar Yielding

2001 SME Annual Meeting & Exhibit, Denver, Colorado, February 2001 Mining Engineering, November 2003 Authors: J. F. T. Agapito and R. R. Goodrich (AAI) Yield pillars have been used for many [...]

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