Energy West Mining Company In preparation for longwall mining beneath a 345-kV electrical transmission line, AAI was retained to evaluate the impacts of surface subsidence to a series of power [...]
Longwall Gateroad Analysis AAI performed a comparative stability evaluation for the East Longwall Panel 8 Gateroads. Four different gateroads were analyzed, including three- and four-entry [...]
West Ridge Resources, Inc. (WRRI) commissioned Agapito Associates, Inc. (AAI) to analyze subsidence potential from planned longwall mining in the vicinity of the Grassy Trail reservoir adjacent [...]
West Elk Mine—Somerset, CO AAI has provided underground geotechnical engineering services to Mountain Coal Company’s West Elk Mine since the 1980s. Services include installation of geotechnical [...]
Longwall Optimization In 1997, AAI conducted three studies for West Ridge prior to mine development. The first study addressed longwall panel orientation based on local fracture mapping, [...]
Canyon Fuel Company Longwall Mining—Shield Support Densities AAI has performed a full range of geotechnical analyses for SUFCO in support of their longwall operations, including pillar design, [...]
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 [...]
Numerous projects have been performed for Andalex. A technical review and recommendations were presented on the feasibility of converting mining operations in three seams from room-and-pillar to [...]