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Results 1 - 10 of 229
2/14/2022 - PC softwareUse this factor of safety calculator when designing an underground mining excavation’s ground support.
10/29/2018 - PC softwareSoftware for stone mine pillar design.
A software program to help improve mine layouts for control of horizontal stress.
A software program for designing web and barrier pillars for Highwall Mining.
Software for designing pillars for longwall mines
Software for designing pillars for room-and-pillar retreat mining.
Software for estimating the relative inherent strength of coal mine roof.
A software program that helps to identify the location and likely severity of multiple seam interactions
This document presents the results of research conducted by NIOSH in cooperation with participating underground stone mines to develop generally applicable guidelines for designing stable pillars and roof spans in stone mines.
1/1/2011 - Peer reviewed journal articlesStone mines in the eastern and midwestern United States use the room-and-pillar method of mining to extract relatively flat-laying sedimentary formations. A survey of pillar performance was carried out to identify potential modes of instability.