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Title: Blast Induced Damage Assessment for Increased Roadway Stability in Underground Drivages
Authors: Murthy, V M S R
Dey, K
Issue Date: 2001
Citation: Proceedings of the National seminar on ventilation, safety and environment VSE 2001, Dhanbad, 29-30, November, pp 387-399
Abstract: Importance of blast-induced rock damage (BIRD) assessment for increased roadway stability is discussed. Near-field PPV estimated has been utilized to fix up damage threshold levels for categorizing the degree of rock damage. Influence of roof RMR(Rock mass rating), PPV and maximum charge per delay on blast-induced rock damage (BIRD) is also analysed. Limiting maximum charge per delay is computed for controlling roof stability problems.
Description: Copyright for the article belongs to the proceedings publishers
Appears in Collections:Conference Papers

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