Study on the Cyclic Impact Mechanical Characteristics of Coal under Confining Pressure
He Yongliang,
Sun Liying,
Xing Xuegang
Abstract:Coal damage accumulation
and strength deterioration caused
by mining-induced
disturbances in deep mines are among the factors influencing the occurrence
of dynamic disasters such as rock bursts. To study the mechanical
deformation and failure characteristics of coal masses under both
cyclic impact and confining pressure, SHPB experiments were performed
to systematically analyze the behavior of coal samples under 1, 2,
and 3 cycles at impact pressures of 0.25, 0.30, 0.35, 0.40, and 0.45
MPa. To study the influe… Show more
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