Anderson, Z & Parker, T 2024, 'Rockmass response monitoring in deep mining using DAS and DSS systems distributed', in Daniel Johansson & Håkan Schunnesson (eds), MassMin 2024: Proceedings of the International Conference & Exhibition on Mass Mining, Luleå University of Technology, Luleå, pp. 1583-1593.
(https://papers.acg.uwa.edu.au/p/2435_R-06/)
Abstract: The mining industry is undergoing a technological transformation in the way it collects and utilizes data. One technology leading this change is Distributed Fiber Optic Sensing (DFOS). DFOS technology can tackle the complex issues of mine safety and operational efficiency. It allows for continuous, real-time monitoring of temperature, strain, and seismic activity. Compared to traditional sensing methods, DFOS acquires data with fine spatial and temporal resolutions, thereby enabling advanced monitoring for improved safety and stability of mining operations. 

Adoption of this technology encourages mining companies to innovate and improve on traditional data collection practices. Implementing DFOS improves the predictive accuracy for identifying both small- and large-scale geotechnical instabilities. While DFOS complements existing hazard management strategies like Triggered Action Response Plans (TARPs) and "traffic light" warning systems, it can surpass these traditional methods; of rockmass It is straightforward to deploy fiber optics cable in and around the mine’s infrastructure at long distances. This enables the DFOS to acquire many data points (as if we have a sensor every meter) and therefore monitoring a large volume with fine resolution.  

This paper explores applications of DFOS in mining, through some examples and case studies. It discusses the technology’s status, advancements and limitations. Special focus is given to challenges related to block cave monitoring and instrumentation, which are particularly problematic in terms of visibility and data collection. By integrating DFOS into mining operations via existing or specially drilled boreholes, or by instrumenting drifts and shafts, mines can enhance their monitoring and decision-making capabilities.