Search U.S. government technical reports digitized or harvested by TRAIL.
Pillar design methods for longwall mining
Mitigating destructive longwall bumps through conventional gate entry design
Use of sheathed explosive charges on longwalls
Comparison of models to evaluate in situ shield loading
Shield mechanics and critical load studies for unsymmetric contact configurations
Canopy and base load distribution on a longwall shield
Gob and gate road reaction to longwall mining in bump-prone strata