Browse TRAIL Inventories

Roof movement study of mechanized retreating longwall operation, Lancashire no. 15 mine, Bakerton, Cambria County, Pa.

Shield mechanics and resultant load vector studies

Critical-load studies of a shield support

Horizontal and vertical load transferring mechanisms in longwall roof supports

Laboratory assessment of alternative longwall stabilization materials

Stiffness characteristics of longwall shields

Two-leg longwall shield mechanics

Mitigating destructive longwall bumps through conventional gate entry design

Comparison of models to evaluate in situ shield loading

Canopy and base load distribution on a longwall shield

Gob and gate road reaction to longwall mining in bump-prone strata


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