Site specific blasting model for mine-to-mill optimization

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A site-specific blasting model has been developed for the Asarco Mission mine. The main inputs to the model are the in-situ block size (F80), the post-blast fragmentation (P80) and the intact tensile strength (To). The output from the model is the specific blast energy (ESE). Modem techniques are being used to obtain the input parameters for the site-specific blast fragmentation model. In particular, image processing software is used to obtain both the in-situ block size and the post-blast fragmentation, and the Schmidt hammer is used to obtain the tensile strength at numerous locations throughout the rock mass. An initial model was developed using five test shots in one area of the mine that contains Argillite and is relatively homogeneous. This also included calibrating Schmidt hammer readings against actual Brazilian tensile measurements. The model for Argillite will be updated as more tests are conducted, and the model will be extended to the other four primary rock types at the Asarco Mission mine.

Original languageEnglish (US)
Title of host publicationSME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011
Pages619-623
Number of pages5
StatePublished - Sep 12 2011
EventSME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011 - Denver, CO, United States
Duration: Feb 28 2011Mar 2 2011

Publication series

NameSME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011

Other

OtherSME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011
CountryUnited States
CityDenver, CO
Period2/28/113/2/11

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

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  • Cite this

    Kim, K. M., & Kemeny, J. (2011). Site specific blasting model for mine-to-mill optimization. In SME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011 (pp. 619-623). (SME Annual Meeting and Exhibit and CMA 113th National Western Mining Conference 2011).