'Blast damage' diaporamas de présentation

BLASTING FOR REDUCED ROCK DAMAGE AND CONTROLLING STABILITY

BLASTING FOR REDUCED ROCK DAMAGE AND CONTROLLING STABILITY. DAMAGE TO REMAINING ROCK. Damage Resulting From Conventional Blasting. Overbreak at SIDES BACK BREAK UNDER BREAK & BACK SHATTER. BLAST DAMAGES.

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Mount St Helens

Mount St Helens. The first eruption. In 1975, scientists warned that Mt St Helens may well erupt again before the end of the century and in 1980 after a period of 120 years with not activity at all, Mt St Helens began to give a few warning signs of the things to come.

398 views • 16 slides

What did we do?

218 views • 7 slides