In mining, a rib pillar separates one stope from the other and is aligned transverse of the stope, perpendicular to the strike.[1] It is used in mines to increase the strata stability of the stope and support the raises, winzes or shaft of the mine.
References
↑Darling, Peter (2011). SME Mining Engineering Handbook. Littleton: SME. p.1355. ISBN9780873353410.{{cite book}}: CS1 maint: publisher location (link)