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ELECTRICAL RESISTIVITY MEASUREMENT TO ANALYZE THE EFFECTS OF ROCK BLASTING

M. K. Gokay, K. Dogan, B. Kekec

First published: 2009DOI pendingView metrics

Abstract

Electrical resistivity measurements have been used in engineering for many purposes. In this study, blasting effects on the back of blasted holes at a quarry bench have been put under evaluation. Earth resistivity of bench rock, limestone, was measured before and after blasting by electrical resistivity equipment with the same electrode positions. The resultant resistivity graphs demonstrate the blasting performed in this study influence slightly the rock resistivity of the rock mass situated 4 m from the blasted boreholes. However, after 3 group of blasting, each had 8 or 9 blasted boreholes, repeated near the tested rock, it was determined that due to fissure and micro scale crack separation rock mass resistivity had been changed more remarkably.

Publication details

Title
ELECTRICAL RESISTIVITY MEASUREMENT TO ANALYZE THE EFFECTS OF ROCK BLASTING
Authors
M. K. Gokay, K. Dogan, B. Kekec
Proceedings
9th International Multidisciplinary Scientific GeoConference SGEM2009
Publisher
SGEM Scientific GeoConference
Year
2009
Pages
413-420
ISSN
1314-2704
ISBN
954-91818-1-2
Language
en
Publication type
Conference Paper
Keywords
Electrical earth resistivityblasting effectsrock blasting
References4

  1. Kruschwitz, S. and Yaramanci, U. Detection and characterization of the disUirbed rock zone in claystone with the complex resistivity method. Journal of Applied Geophysics, V57, pp63-79, 2004.

  2. Yashinaga, E. Electrical Measurement of Rock Deformation and Rock Fracture by Blasting [in Japanese], Journal of the Society of Materials Science, Japan, 17(181) pp,95 1-956, 20**.

  3. Bäckström, A. Rock damage caused by underground excavation and meteorite impacts, PhD Thesis, ???-Engineering Geology and Geophysics Group, Department of Land and Water Resources Engineering, Royal Institute of Technology (KTH), Stockholm, Sweden, 2008.

  4. Loke,M.H. RES2DINV, Tutorial : 2-D and 3-D electrical imaging surveys, mhloke(5),tm.net.my and drmhloke(5),yahoo.com, 2004.

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