14 a, it can be known that as the width of the working face increases from 150 to 300 m, the stress of the surrounding rock at the Z = 107 m level as a whole shows an increasing trend, and the stress peaks are 46.5, 48.4, 48.8, 50.7, 51.7, 53.3, and 55.4 MPa in turn.
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Study on mining-induced stress behavior on surrounding rock of rockburst mine under large buried depth and hard overburden.
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