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High-Order Numerical Methods and Reaction Rate Law for Non-Ideal Detonation Modeling

This research work introduces a new reaction rate law for modeling the chemical energy release from ANFO and demonstrates the ability of high-order shock capturing methods to simulate the complex hydrodynamics in non-ideal condensed-phase explosives.

High-Speed Camera Spectral Response to the Fireball Spectra During the Detonation of High Explosives

This paper examines how bandpass and neutral density filters can be used to prevent overexposure of a camera's sensor from electromagnetic radiation, in the visible light spectra, emitted by the detonation of high explosives.



Impact of Blasting on Downstream Process to Maximize the Profitability of Mining Industries

The goal of any business is to seek the maximum profitability for the organization through optimization, the use of resouces, processes and the application of new technologies. An analysis of various case studies demonstrate that blasting can have positive impacts on the crushing and milling processes resulting in increased profitability.

Improving Productivity in Pillar Blasting - HZL, Sindeswar Khurd Mine

This paper presents the blast design and charging technical challenges that were solved to bring about the successful firing of the pillar using up-hole charging technology of hose-pusher and up-hole retention bulk emulsion explosives with electronic blasting systems to break ~ 450,000 MT of ore.


Increase in Production and Dilution Control in Narrow Vein Ore Bodies

This study will refer to the optimization of production stope blasts, focusing mainly on dilution control and the improvement of operational efficiency by increasing blast sizes with the implementation of electronic detonators.  The study has a technical focus, applied in conjunction with the best practices and technologies of the industry.


Increased Strength Electronic Detonator Downlines for Managing Difficult Blasting Conditions in Coal Mines

This paper details the introduction of an increased strength downhole wire at a coal mine in central Queensland, Australia, including the individual factors that needed to be considered and the results of the initial trial blasts.


Influence of Sample Rate on Underwater Blast Pressure Measurements

The selection of sample rate during underwater blast pressure measurements greatly affects the ability to establish the peak pressure. Small- and large-scaled underwater blasts were used to determine minimum sample rate as a function of cube-root scaled distance during pier demolitions, rock excavation and single-point open-water detonations.


Innovative Blasting to Improve Mining Processes at Middlemount Coal, Australia

The objective of this paper is to holistically approach all aspects of a coal mining operation and systematically improve each underperforming activity. Once improvements were realized innovative blasting techniques, such as Double Cast combined with through-seam blasting within a blast, could then be implemented to reduce the cost of the operation.