Browse TRAIL Inventories

Extracting final stump in pillars and pillar lifts with continuous miners

Industrial engineering practice at selected metal mines in western states

Yieldable steel arches and yieldable steel ring supports in metal mines

Test operation of a pneumatic vibrating-blade planer in phosphate and coal :a progress report on planer-mining research, 1958-60

Changes in stress concentration created by undercutting in block caving

Design and development of a rock bolt anchored by explosive forming :a progress report

Experimental longwall mining in a Pennsylvania anthracite mine (In two parts).

A case study of the validity of scaling laws for explosion-generated motion

Determination of principal stress directions through an analysis of rock joint and fracture orientations, Star Mine, Burke, Idaho

Mining method, technique, and cost of presplitting the flood control gate shaft, Littleville Dam, Huntington, Mass.

Stresses induced around mine development workings by undercutting and caving, climax molybdenum mine, Colorado (in two parts).

Stresses induced around mine development workings by undercutting and caving, Climax Molybdenum Mine, Colorado (in two parts).

Mining methods and practices at the Young Mine, American Zinc Co. of Tennessee, Jefferson County, Tenn.

Vibration levels transmitted across a presplit fracture plane

Creep in model pillars

Measurement of lateral pressure generated from cylindrical explosive charges

Photoelastic study of an internally stressed circular opening in a biaxial stress field

Critical path planning and scheduling applied to mining operations

Vibratory compaction of mine hydraulic backfill

Deep mine stress determinations using flatjack and borehole deformation methods

Flexible liners for underground support :applicability considerations and experimental procedures

Longwall mining in bituminous coal mines with planers, shearer- loaders, and self-advancing hydraulic roof supports

Design and development of a lightweight recoverable hydraulic prop

Load-displacement measurement in a backfilled stope of a deep vein mine

Relative pressure changes in coal pillars during extraction :a progress report

The incendivity of permissible explosives in coal dust-gas-air mixtures

Effects of planes of weakness on uniaxial compressive strength of model mine pillars

Use of fly ash for remote filling of underground cavities and passageways

Earth pressure at rest and one-dimensional compression in mine hydraulic backfills

Effect of end conditions on determining compressive strength of rock samples

Changes in breaking strength of model rock pillars resulting from end constraint

Three-piece concrete sets for small openings :a progress report

Effect of increasing end constraint on the compressive strength of model rock pillars

Factors affecting detonation velocities of desensitized nitroglycerin in simulated underground fractures

The electrohydraulic effect :potential application in rock fragmentation


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