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Application of Large-scale Millisecond Multiple-row Holes Blasting Technology in Cutting Excavation Blasting of Funing Highway

Jianguo Du

Abstract

An example of the application of large-scale millisecond multiple-row holes blasting technology in cutting excavation blasting of the funing highway is introduced, and the designs of blast-hole arrangement, blasting parameters, initiating network,stemming and safety proofreading are mainly presented. Some experiences obtained are useful for the similar projects.

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Available abstract

Key concepts: Rock blasting, Excavation, Millisecond, Drilling and blasting, Scale (ratio), Engineering, Mining engineering, Geotechnical engineering