Maria Niubó, José Juan de Felipe, Marc Bascompta, Francesc Pérez-Ràfols, Jordi Vives-Costa, Lluís Sanmiquel, Joan-Antoni López
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引用次数: 0
Abstract
The determination of the friction factors in an underground excavation are crucial to reach an adequate model of the ventilation system and, consequently, to select the ventilation system and improve the comfort and safety of the mine. The diversity of calculation methods and experimental data sources makes it necessary to carry out a state of the art on this matter. An assessment of the friction factors is provided for different types of underground mining, soft and hard rock mining. Some data using TBM (tunnel boring machine) is also gathered and analyzed. Considering the excavation system, support applied, and mining method. A particular focus on the different techniques to obtain the friction factor values has also been described, including the new approaches available.
期刊介绍：
The Arabian Journal of Geosciences is the official journal of the Saudi Society for Geosciences and publishes peer-reviewed original and review articles on the entire range of Earth Science themes, focused on, but not limited to, those that have regional significance to the Middle East and the Euro-Mediterranean Zone.
Key topics therefore include; geology, hydrogeology, earth system science, petroleum sciences, geophysics, seismology and crustal structures, tectonics, sedimentology, palaeontology, metamorphic and igneous petrology, natural hazards, environmental sciences and sustainable development, geoarchaeology, geomorphology, paleo-environment studies, oceanography, atmospheric sciences, GIS and remote sensing, geodesy, mineralogy, volcanology, geochemistry and metallogenesis.
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