๐”– Bobbio Scriptorium
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Estimating rock strength with the equotip hardness tester

โœ Scribed by W. Verwaal; A. Mulder


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
279 KB
Volume
30
Category
Article
ISSN
0148-9062

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๐Ÿ“œ SIMILAR VOLUMES


The strength of hard-rock pillars
โœ Martin, C.D ;Maybee, W.G ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 506 KB

Observations of pillar failures in Canadian hard-rock mines indicate that the dominant mode of failure is progressive slabbing and spalling. Empirical formulas developed for the stability of hard-rock pillars suggest that the pillar strength is directly related to the pillar width-to-height ratio an