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A Blasting Experience in a Shallow Tunnel Section Overlain by Residential Structures  

Won, Yeon-Ho (원앤비 기술사사무소)
Kang, Choo-Won (조선대학교 자원공학과)
Kim, Joung-In (인발파 환경 기술사사무소)
Publication Information
Explosives and Blasting / v.26, no.2, 2008 , pp. 99-107 More about this Journal
Abstract
This study, to reduce a ground vibration damage of the structures in an area adjacent to housing structures located closely above the tunnel section, is the ground vibration reduction instance of a tunnel blasting selectively applied the ground vibration-controlled blasting method (delay time applied blasting method, large center hole cut method, Line Drilling method, etc) with an originally planned blasting method connected, but with it's workability and economic efficiency is satisfactory, so, the results says the ground vibration-controlled blasting method on a similar condition is very effective, even if the applicability is depend on the blasting method and ground condition of the work area.
Keywords
Blasting method; Delay time applied blasting method; Large center hole cut method;
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  • Reference
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