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 [...]
Elk Creek Geotechnical Program Agapito Associates, Inc. (AAI) has been involved in long-term geotechnical investigation and design at the Oxbow Mining, LLC, Elk Creek Mine, dating back to the [...]
Engineering Support for Start-up of Large Underground Coal Operation—Trinidad, Colorado Starting in 2009 and continuing into 2011, Agapito Associates, Inc. has provided most of the mining [...]
WorldCoal, September 2009 Author: Tom Vandergrift (AAI) As open-pit coal mines reach their economic stripping limit, operators sometimes consider alternatives, such as auger mining or highwall [...]
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 [...]
Geotechnical Evaluation and Longwall Feasibility AAI performed geotechnical and economic evaluations for the feasibility study of longwall mining at the Trapper Mine for Mencon, LLC. A [...]
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 [...]
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 [...]
