Blasting and Explosives Reference Guide 1 (eng)
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Blasting and Explosives Reference Guide 2 (eng)
Blasting and Explosives Reference Guide 2 (eng)
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Tir et Explosifs Reference Guide 3 (fr)
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Affichage des articles dont le libellé est underground mining. Afficher tous les articles
Affichage des articles dont le libellé est underground mining. Afficher tous les articles
Pillar Design
The Safety Factor (SF) is the pillar strength divided by the pillar load.
Safety Factor = Pillar Strength / Pillar Load
SF=Sp/δp
Pillar Strength – is a function of both a size effect and a shape effect.
1. Size Effect
2. Shape Effect
Size Effect – The average strength decreases as specimen size increases. ....
Mine planning and design (Yangon Technological University)
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