A Damage Constitutive Model of Rock Salt Based on Acoustic Emission Characteristics
作者： Deyi Jiang , Jie Chen , Song Ren , Yuan Xi , Chunhe Yang
DOI: 10.1007/978-3-642-37849-2_29
关键词:
摘要: The acoustic emission (AE) signal observation is a technique to observe the generation of microcracks in rock salt. By monitoring whole process stress - strain curve under uniaxial compression tests, damage characteristic salt obtained. Damage appears be mainly shear failure condition lower loading rate. After failure, lot small crushed particles spread on surface surface. AE rate-strain able reflect development with better consistency which evident from stress-strain curve. A constitutive model suggested basis characteristics.
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