Forecast of Excavation Stability in Weak Yakovlsevsky Iron Ore
A. G. PROTOSENYA, V. L. TRUSHKO
“Gorny” Natural Mineral and Raw Materials University, 21st liniya 2, Saint-Petersburg, 199026 Russia
Keywords: ore, support, arch, stress, strain, excavation, stability, strength
Abstract
The issues of physico-mechanical properties of ore and rocks, measurement of displacements in rock mass around underground excavations, stability of the excavations, selection of types and parameters of supports are studied in terms of the Yakovlevsky iron ore deposit
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