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Information Journal Paper

Title

NUMERICAL INVESTIGATION OF MECHANISMS INVOLVED IN FRACTURING OF HARD ROCK MATERIAL UNDER BLAST LOADING

Pages

  23-31

Abstract

 From a practical application of EXPLOSIVES point of view, a successful blasting operation has a high significance. Typical applications of blasting are in the construction of suiface and underground structures for mining and civil purposes. In these applications, successful blasting results in less damage, which may lower support costs, lower dilution and produce a uniform fragmentation. The explosive detonation process creates a pressure front that propagates a stress wave into the surrounding ROCK MASS at a high speed. The stress wave can induce varying degrees of damage, depending on rock strength and physical properties, to the excavated area.This paper presents a summary of a research work that was conducted to investigate the propagation of explosive-induced stress waves in hard rock media and the mechanism of rock damage and fracturing due to the wave action. The primary objective of this work was to numerically simulate the experimental study of blast-induced rock fracturing conducted within Canadian mines. The UDEC (Universal Distinct Element Code) software was used to simulate the conducted blasting experiments. A fairly good agreement was achieved between experimental findings and the results obtained from the conducted numerical analysis.

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    APA: Copy

    MORTAZAVI, A.. (2006). NUMERICAL INVESTIGATION OF MECHANISMS INVOLVED IN FRACTURING OF HARD ROCK MATERIAL UNDER BLAST LOADING. JOURNAL OF ENERGETIC MATERIALS, 1(2), 23-31. SID. https://sid.ir/paper/115359/en

    Vancouver: Copy

    MORTAZAVI A.. NUMERICAL INVESTIGATION OF MECHANISMS INVOLVED IN FRACTURING OF HARD ROCK MATERIAL UNDER BLAST LOADING. JOURNAL OF ENERGETIC MATERIALS[Internet]. 2006;1(2):23-31. Available from: https://sid.ir/paper/115359/en

    IEEE: Copy

    A. MORTAZAVI, “NUMERICAL INVESTIGATION OF MECHANISMS INVOLVED IN FRACTURING OF HARD ROCK MATERIAL UNDER BLAST LOADING,” JOURNAL OF ENERGETIC MATERIALS, vol. 1, no. 2, pp. 23–31, 2006, [Online]. Available: https://sid.ir/paper/115359/en

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