In mineral resource exploitation,ensuring mine safety is of paramount importance.Rock mass stability and hid-den disaster-causing factors in roadways are key aspects.This paper centers on the Duobaoshan Copper Mine and conducts in-depth research on rockburst propensity and surrounding rock wedge bodies.Through on-site engineering geological investiga-tions employing artificial measurement methods and three-dimensional laser digital measurement techniques,the occurrence of rock mass structural planes in specific areas is measured,and information such as joint fractures is obtained.Regarding the e-valuation of rockburst propensity,through indoor rock mechanics tests,the physical and mechanical parameters of ore and rock are acquired.The elastic energy method and brittleness coefficient method are utilized to determine that the rockburst propensi-ty is weak or nonexistent.For rock mass quality evaluation,three methods,namely Q system classification,RMR classification,and GSI,are employed to determine that it is moderately stable.By using the Unwedge software to analyze the stability of wedge bodies,it is found that the shapes and sizes of wedge bodies in different regions are diverse.Their stability is influenced by multiple factors such as the distribution of joint fractures,the physical and mechanical properties of rock masses,and in-situ stress,and wedge bodies require reinforcement.The study results show that:the geological conditions of the Duobaoshan Copper Mine are complex.In mining operations,the influence of various factors on rock mass stability should be fully considered.Engi-neering measures such as reinforcement,monitoring,and regular assessment should be implemented to guarantee safety produc-tion in the mine.
stability of surrounding rockengineering geological investigationrockburst propensityrock mass quality classificationwedge identification
维普
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