Abstract：Based on the engineering characteristics and the geological conditions of the Baoji- Chengdu double-track railway line,this paper gives the discussions on the engineering organi?zations and the technological processes of the controlled blasting. A set of working methods have been established for drilling holes, putting in explosives, plugging up and firing. The method for blasting an insolated big rock has been also proposed.
1995, Vol. 12 
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