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Correlation of powder factor with physical rock properties and rotary drill performance in Turkish surface coal mines
Date
1991-09-19
Author
MÜFTÜOĞLU, YADİKAR VASFİ
PAŞAMEHMETOĞLU, AHMET GÜNHAN
Karpuz, Celal
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This paper is based on a nation wide research project carried out with the aim of investigating diggability, drillability and blastability of overburden strata in many producing surface coal mines in Tuerkiye. It reports data on blasting practice derived from various case studies. Correlation of powder factors used for overburden preparation with physical properties of many different types of rock masses were investigated. The correlations observed between powder factor and uniaxial compressive strength, tensile strength, density and P-wave velocity are very satisfactory. The use of Rock Quality Index derived from monitoring of blasthole drill performance for estimating powder factor has been found to be very promising tool for planning and execution of blasting operations in surface coal mines.
Subject Keywords
Engineering
,
Civil
,
Environmental sciences
,
Geology
,
Geosciences
URI
https://hdl.handle.net/11511/54564
Collections
Department of Mining Engineering, Conference / Seminar
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Y. V. MÜFTÜOĞLU, A. G. PAŞAMEHMETOĞLU, and C. Karpuz, “Correlation of powder factor with physical rock properties and rotary drill performance in Turkish surface coal mines,” 1991, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/54564.