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Conference Proceedings

Mine Planning and Equipment Selection (MPES) 2010

Conference Proceedings

Mine Planning and Equipment Selection (MPES) 2010

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Prediction of Near-Field Rock Damage Due to Production Blasting in Limestone Quarries, Japan

This paper presents the near-field rock damage owing to production blasting in limestone quarry in the western region of Japan. The study's purpose is to learn the mechanism of crack development due to blast vibration. In this study, blast vibration's magnitude was expressed with peak particle velocity (PPV) which was obtained based on seismographs recorded database. In attempt to pursue a research's purpose of this study, there were two considerable interests: near-field blast vibration propagation and prediction, and crack observed and prediction. Furthermore, with regards to considerable interest of the study, there were three essential aspects which were challenged, such as: monitoring and interpretation of seismic wave propagation in a rock mass near large explosive charge of production blast scale, measurement of blast rock damage in adjacent to blasthole, and determine critical value of PPV which may produce significant rock damage. In order to determine precision critical PPV, understanding correlation between rock damage with vibration level is firstly important to be done. This paper also discusses how to measure, detect and quantify near-field blast vibration and blast rock damage in adjacent to blasthole._x000D_
FORMAL CITATION:Wahyudi, S, Shimada, H, Sasaoka, T, Kubota, S, Ogata, Y and Matsui, K, 2010. Prediction of near-field rock damage due to production blasting in limestone quarries, Japan, in Proceedings Mine Planning and Equipment Selection (MPES) 2010, pp 453-468 (The Australasian Institute of Mining and Metallurgy: Melbourne).
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  • Published: 2010
  • PDF Size: 1.688 Mb.
  • Unique ID: P201011046

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