Search U.S. government technical reports digitized or harvested by TRAIL.
Stiffness characteristics of longwall shields
Effect of load rate on wood crib behavior
Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines
Two-leg longwall shield mechanics
Practical considerations in longwall face and gate road support selection and utilization
Mitigating destructive longwall bumps through conventional gate entry design
Comparison of models to evaluate in situ shield loading
Cutter roof failure :six case studies in the Northern Appalachian Coal Basin
Canopy and base load distribution on a longwall shield
Evaluation of structures for roof-fall areas
Effects of horizontal stress related to stream valleys on the stability of coal mine openings
Roof control of stress-relief jointing near outcrops in central Appalachian drift coal mines
Gob and gate road reaction to longwall mining in bump-prone strata