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Parameter Analysis of Swedish Bench Blast Design using Robust Design Method  

Yang, Hyung-Sik (전남대학교)
Publication Information
Explosives and Blasting / v.31, no.2, 2013 , pp. 1-5 More about this Journal
Abstract
Parameters of Swedish bench blast design was analyzed by robust design method. Orthogonal array which is adopted in this study was $L_9(3^4)$ and the parameters were hole diameter, explosive type, hole inclination and rock factor of 3 levels. Result of analysis showed that maximum and minimum burden are most affected by hole diameter, followed by explosive type, rock type and inclination of hole. Parameters affecting specific charge are in the order of rock type, explosive type and to specific drilling are hole diameter and explosive type. Cost analysis showed that robust design is capable of parameter optimization.
Keywords
Bench blast design; Robust design; Maximum burden; Specific charge; Specific drilling;
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