RRogerYeh1-Visitor13 years agoJuly 23, 2013QuestionMining Engineering - Pillar Strength0 replies905 viewsTranslate AllWorksheet used in the blog entry on mining calculations.http://blogs.ptc.com/2013/07/23/how-mathcad-rocks-mining-part-i1_Mining_Pillar_Stresses-mcdx.zipOther