mardi 22 octobre 2019

Pillar Design


The Safety Factor (SF) is the pillar strength divided by the pillar load.
Safety Factor = Pillar Strength / Pillar Load
                    
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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