Abstract
AbstractWe have analyzed the relations between electromagnetic emission (EME) pulse numbers and damage parameter and discussed the EME producing mechanism and electro‐mechanical coupling laws of EME memory effect during deformation and fracture of coal or rock, established the EME memory effect electro‐mechanical coupling model of coal or rock containing gas deformation and fracture under conditions of constant confining pressure and triaxial compression, tested and analyzed the EME memory effect electro‐mechanical coupling law of coal or rock containing gas under condition of uniaxial compression. The results show that the EME memory effect electro‐mechanical coupling model of coal or rock containing gas primely reflects the characteristic laws and microcosmic damage mechanism of EME memory effect during deformation and fracture of coal or rock.
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