TRAIL - Technical Report Archive and Image Library

Linear load-transfer mechanics of full grouted roof bolts

Size scaling of gas explosions :Bruceton Experimental Mine versus the Lake Lynn Mine

Recovery of mercury from concentrates by cupric chloride leaching and aqueous electrolysis

Rigid-body and elastic solutions to shield mechanics

Computer modeling of the effect of mine-fire-induced ventilation disturbances on stench fire warning system performance

Prediction of surface deformations over longwall panels in the Northern Appalachian coalfield

Characterization of Ketchem Dome tin prospect, east-central Alaska

A photographic method for determining mineral reflectances in underground mines

Field measurement of rock displacement during sinking of a deep rectangular shaft

Mechanical behavior of coal measure rocks :elastic-inelastic behavior

Bit wear-flat temperature as a function of depth of cut and speed

Removal of copper from molten ferrous scrap :results of laboratory investigations

Thermodynamic properties of two manganese silicates, pyroxmangite and fowlerite

Preparation of titanium feedstock from Minnesota ilmenite by smelting and sulfation-leaching

Gas content determinations of salt samples using acoustic responses

Probability of resistive spark ignition caused by very low currents

Pioneering studies on the flotation of corundum from a Montana gneiss

Numerical prediction of cobalt sorption in a continuous ion-exchange column

Silver-catalyzed oxidative leaching of an arsenical copper sulfide concentrate

Development of rapid-setting inorganic grouts

Nonferrous waste as a source of zinc for electrogalvanizing

Utilization of scrap preheating and substitute slag conditioners for electric arc furnace steelmaking

Damping properties of selected steels and cast irons

Method factors for anemometer measurement at pipe outlets

Analysis of the oxidation of chalcopyrite, chalcocite, galena, pyrrhotite, marcasite, and arsenopyrite

Column length criteria for resin bolting in evaporites

Dual leaching method for recovering silver and manganese from domestic manganifferrous silver deposits

Time-dependent behavior of coal measure rocks :adsorption rate and strength degradation

Capability evaluation of the radial-axial splitter

Analysis of cutter roof failure induced by clastic dikes in an underground coal mine

Avoiding Anchorage problems with resin-grouted roof bolts

Assessment of longwall roof behavior and support loading by linear elastic modeling of the support structure

Stemming ejection and burden movements from small borehole blasts

Arch canopy design procedure for rehabilitation of high-roof-fall areas

High-temperature relative enthalpies and related thermodynamic properties of CuI

Spontaneous combustion studies of U.S. coals

Calculating fire-throttling of mine ventilation airflow

Sampling, characterization, and evaluation of Midwest clays for iron ore pellet bonding

Fracture geometries in three ore bodies mined by undercut caving as determined from oriented drill core and scanline mapping

Fire tests of rigid plastic ventilation ducts

Three-dimensional shield mechanics

Selective elution of mercury, silver, and gold from strong-base anion-exchange resins

Leaching of phosphate values from two central Florida ores using H₂SO₄-methanol mixtures

Case evaluation of a surface seismic reflection technique for delineating coalbed discontinuities

Indices of mine safety resulting from the application of the Poisson distribution to mine accident data

Extended bumper designs for large haulage trucks

Effects of barium-based additive on diesel exhaust particulate

Leakage and performance characteristics of large stoppings for room-and-pillar mining

Leaching of domestic manganese ores with dissolved SO₂

Recovery of critical metals by carbonyl processing

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