An Innovative Approach to Mine Blast Fragmentation Management Using Complexity Analysis: Three Case Studies

Author:

Dompieri Maurício1,Seccatore Jacopo1,de Tomi Giorgio1,Nader Beck1,de Lima José Renato B.1,Chaves Arthur P.1

Affiliation:

1. University of São Paulo

Abstract

This paper introduces an innovative solution for devising a robust blasting plan that will present consistently good fragmentation performance under highly uncertain environments. The analysis will be carried out using complexity analysis tools, a model-free approach to complex systems which is particularly well suited to the problem of finding non-deterministic dependencies between multiple variables. The study is backed-up by data from over 2,000 blast records from Brazilian mines and identifies what are the critical aspects of the system and how to manage the blasting plan to reduce their impact on its performance.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference12 articles.

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3. Sastry V., Ram Chandar K. (2004) Influence of the initiation system on blast results: case studies, Fragblast, Volume 8, p.207 – 220.

4. Mackenzie, A.S., 1967. Optimum blasting. In: Proceedings of the 28th Annual Minnesota Mining Symposium. Duluth, MN, p.181–188.

5. Chakraborty A.K. et al. (2004) Parametric study to develop guidelines for blast fragmentation improvement in jointed and massive formations, Engineering Geology n. 73 /2004, p.105–116.

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