Concepedia

Progress report: experiments on strength of small pillars of coal in the Pittsburgh bed

H.P. Greenwald, H.C. Howarth, I. Hartmann

OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 1941 · 11 citations · 0 references

Concepts

EngineeringGeological EngineeringMining EngineeringGeotechnical EngineeringMine DesignCoal GeologyMining GeologyPillar MiningCoal Pillar DesignLaboratory Strength TestingPillar DesignPillar Failure Mechanisms

Abstract

Results of tests on five pillars of coal in the Experimental mine, Bureau of Mines are reported. Data permit the extension of conclusions reached in TP 605.