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Drill and Blast Digitalization

Pueblo Viejo is an open pit gold mine which is always looking to implement the newest technology in the industry to improve all processes.  Focusing on the pillar of our company, digitalization, we've been looking for the technologies that allow us the automation of data generation and process innovation.


E7B Sector Drilling and Blasting Challenges and Learnings

The Bingham Canyon Mine implementation of frequency control blasting and use of geotechnical radar monitoring to mine a narrow ore layback in a challenging geotechnical section of the pit.


Effect of Blast Induced Rock Fragmentation and Muck Pile Angle on Excavator Performance in Surface Mines

The results from this study indicate that the optimum fragmentation and relatively loosely packed material wtih moderate angle of repose of the muck pile will significantly reduce the loading time thereby increasing the excavator's productivity.


Effect of Geology and Mechanical Properties of Rock on Blast Results

Contrary to general belief, when it comes to blasting, the geological name of the rock does not allow deciding the values of the blast parameters. It is the rock's mechanical properties Y, s, d and Sc that are used in calculations with fundamental equations that allow predicting blast results.

Effects of Aggregate Production Blasting on an Adjacent 42" (1.067m) Pipeline

This paper will explore the effects of aggregate production blasting on a 42" steel pipeline. Strain gauges were installed on the pipeline during construction. As blasting progressed close to the pipeline,  strains on the pipeline were recorded. Seismograph information was also recorded. Blasting techniques were varied to enhance learning.


Electronic Blast Initiation - The Evolving Perception of Australian Mining Operations

The perception of electronic blast initiation systems is changing in Australia, with a leading global mining company recently committing to electronic initiation across its entire iron ore operation. This paper discusses various benefits of electronic initiation, the implementation of electronics across the business and challenges overcome along the way.


Epic Blast of 275 US Ton (250 Tonnes) Sets Benchmark in Opencast Mining Arena in Environmental Sensitive Area With Desired Fragmentation and Muck Profile

Study of epic blast of 250 ton, having 160 mm drilled diameter and 1074 no of holes for excavation results better fragmentation within control vibration level. This blast is unique in the sense that the entire array of preparatory activities had been successfully and impeccably executed within the same day.


Evaluating Effect of Text Message Prompts on Miners' Decision Making in Disasters

Determine if information provided to miners during emergencies will help individual miners make safer decisions. Presented with real-life scenarios of emergency and urgent situations during a disaster in addition to text message options, research provides response patterns for endangered workers in emergency situations used to make underground-mining safer for miners.


Evaluation of Accuracy When Measuring Blast Fume Emission Concentrations Using a UAS

A gas monitor attached to a UAS may be capable of measuring blast fume concentrations at surface mines. Rotor downwash will artificially disturb the blast cloud, causing inaccuracies in measured concentration values. This paper discusses a factor for adjusting UAS-measured concentrations to accommodate downwash interference.


Excavation of a Tunnel to Reach a Large Underground Cavern Roof Fall

Deals with excavation of a tunnel by D&B to approach a major fall in the down stream surge chamber of a 1200 MW u/g hydel project. The excavated tunnel has enabled the access to the cavern/fall from the north wall of DSC and paved the way for cavity stabilization.


Experimental Characterization of Additive-Manufactured Energetic Materials with Advanced Density Gradient Mesostructure

This research investigates the relationship between 3D-printed internal mesostructures of energetic materials and resultant deflagration profiles. These studies further validate the application of additive manufacturing technologies to the development of functionally-graded energetic materials.