An empirical approach of overbreak resistance factor for tunnel blasting

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An empirical approach of overbreak resistance factor for tunnel blasting

© 2019 Elsevier Ltd The assessment of overbreak is proposed by means of a novel empirical approach; the ‘overbreak resistance factor’ (ORF), to predict and manage the overbreak phenomenon in tunnel drill-and-blast operations. The proposed ORF is formulated by analysing the relationship between uncon...

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Bibliographic Details
Main Authors:	Jang, Hyong Doo, Kawamura, Y., Shinji, U.
Format:	Journal Article
Language:	English
Published:	PERGAMON-ELSEVIER SCIENCE LTD 2019
Subjects:	Science & Technology Technology Construction & Building Technology Engineering, Civil Engineering Overbreak Tunnel Blast damage ANN ORF ROCK MASS QUALITY BLASTABILITY SYSTEM FRAGMENTATION PREDICTION PARAMETERS DAMAGE
Online Access:	http://hdl.handle.net/20.500.11937/76946

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