A Numerical Approach for Simulation of Rock Fracturing in Engineering Blasting

Mani Ram Saharan and Hani S. Mitri
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Mani Ram Saharan: Central Institute of Mining & Fuel Research (CIMFR), India
Hani S. Mitri: McGill University, Canada

International Journal of Geotechnical Earthquake Engineering (IJGEE), 2010, vol. 1, issue 2, 38-58

Abstract: An approach for simulation of rock fracturing as a result of engineering blasting is presented in this paper. The approach uses element elimination technique within the framework of finite element method to capture the physics of engineering blasting. The approach does not require pre-placement of fracture paths which is the severe drawback of the other existing methodologies and approaches. Results of plane stress modelling for isotropic brittle rock behaviour are presented in this paper and these results are in good agreement with the existing knowledge base. The authors also review the existing approaches of numerical modelling to compare the efficacy of the element elimination technique. It is anticipated that the further developments with this approach can prove to be good experimental tool to improve engineering blasting operations.

Date: 2010
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