Tunnel Overbreak Management System Using Overbreak Resistance Factor

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Tunnel Overbreak Management System Using Overbreak Resistance Factor

When tunnel is excavated via drilling and blasting, the excessive overbreak is the primary cause of personal or equipment safety hazards and increasing the cost of the tunnel operation owing to additional ground supports such as shotcrete. The practical management of overbreak is extremely difficult...

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Bibliographic Details
Main Author:	Jang, Hyong Doo
Format:	Journal Article
Language:	Korean
Published:	KOREAN SOCIETY FOR ROCK MECHANICS AND ROCK ENGINEERING 2020
Subjects:	0914 - Resources Engineering and Extractive Metallurgy
Online Access:	http://eng.ksrm.or.kr/html/ http://hdl.handle.net/20.500.11937/78257

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