Browsing by Author "Bilgin N."

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Dominant rock properties affecting the penetration rate of percussive drills

Kahraman S.; Bilgin N.; Feridunoglu C. (Elsevier BV, 2003)

Percussive blast hole drills were observed in eight rock types at an open pit mine and three motorway sites. The net penetration rates of the drills were calculated from the performance measurements. Rock samples were ...
Prediction of the penetration rate of rotary blast hole drills using a new drillability index

Kahraman S.; Balci C.; Yazici S.; Bilgin N. (2000)

Rotary blast hole drills were observed in several formations at different open pit mines and quarries. Rock samples were collected as near as possible to drilling locations and mechanical and physical properties of the ...