Presplit Design Based on Borehole Pressures
(Room Capitol Ballroom 5-7; Fourth Floor)
28 Jan 20
11:30 AM
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12:00 PM
Tracks:
Session 8 - Research 2
This paper presents research which disproves the shockwave theory of presplitting and give proof to the hoop stress theory of presplitting. Additionally, models are given to design blasts for all rocks, including weak siltstones and mudstones, based on borehole pressure.