2004•Mining EngineeringRequires access

Reducing of damage caused by blasting activities

Caiting Li

Abstract

At 5\^7m point in front of the new stone-crushing station,a blasting activity using 51 middle-deep holes and with 1 667 kg charge has been conducted in Nanfen Iron Ore Mine without damaging the columns in front of stone-crushing station.Based on this example of successful blasting,the performance of reducing damage using hole-to-hole blasting,pre-splitting technique and air-interval blasting is explained.

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Available abstract

Key concepts: Rock blasting, Front (military), Mining engineering, Deep hole, Geotechnical engineering, Engineering, Geology, Mechanical engineering