A study of specific fracture energy at percussion drilling

Abstract

The paper presents experimental studies of rock failure provided by percussion drilling. Quantification and qualitative analysis were carried out to estimate critical values of rock failure depending on the hammer pre-impact velocity, types of drill bits and cylindrical hammer parameters (weight, length, diameter), and turn angle of a drill bit. Obtained data in this work were compared with obtained results by other researchers. The particle-size distribution in granite-cutting sludge was analyzed in this paper. Statistical approach (Spearmen's rank-order correlation, multiple regression analysis with dummy variables, Kruskal-Wallis nonparametric test) was used to analyze the drilling process. Experimental data will be useful for specialists engaged in simulation and illustration of rock failure.

Original language	English
Title of host publication	IOP Conference Series: Earth and Environmental Science
Publisher	Institute of Physics Publishing
Volume	21
Edition	1
DOIs	https://doi.org/10.1088/1755-1315/21/1/012036
Publication status	Published - 2014
Event	18th International Scientific Symposium in Honour of Academician M. A. Usov: Problems of Geology and Subsurface Development, PGON 2014 - Tomsk, Russian Federation Duration: 7 Apr 2014 → 11 Apr 2014

Other

Other	18th International Scientific Symposium in Honour of Academician M. A. Usov: Problems of Geology and Subsurface Development, PGON 2014
Country	Russian Federation
City	Tomsk
Period	7.4.14 → 11.4.14

ASJC Scopus subject areas

Earth and Planetary Sciences(all)
Environmental Science(all)

Access to Document

10.1088/1755-1315/21/1/012036

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Shadrina, AV, Kabanova, T, Krets, V & Saruev, L 2014, A study of specific fracture energy at percussion drilling. in IOP Conference Series: Earth and Environmental Science. 1 edn, vol. 21, 012036, Institute of Physics Publishing, 18th International Scientific Symposium in Honour of Academician M. A. Usov: Problems of Geology and Subsurface Development, PGON 2014, Tomsk, Russian Federation, 7.4.14. https://doi.org/10.1088/1755-1315/21/1/012036

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AB - The paper presents experimental studies of rock failure provided by percussion drilling. Quantification and qualitative analysis were carried out to estimate critical values of rock failure depending on the hammer pre-impact velocity, types of drill bits and cylindrical hammer parameters (weight, length, diameter), and turn angle of a drill bit. Obtained data in this work were compared with obtained results by other researchers. The particle-size distribution in granite-cutting sludge was analyzed in this paper. Statistical approach (Spearmen's rank-order correlation, multiple regression analysis with dummy variables, Kruskal-Wallis nonparametric test) was used to analyze the drilling process. Experimental data will be useful for specialists engaged in simulation and illustration of rock failure.

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