Abstract
The acoustic emission (AE) signal observation is a technique to observe the generation of microcracks in rock salt. By monitoring acoustic emission in whole process of stress - strain curve under uniaxial compression tests, the damage characteristic of rock salt is obtained. Damage to the rock salt appears to be mainly a shear failure under the condition of a lower loading strain rate. After shear failure, a lot of small crushed particles spread on the surface of the failure surface. The AE rate-strain curve is able to reflect the damage development process with better consistency which is evident from the stress-strain curve. A damage constitutive model of rock salt is suggested on the basis of acoustic emission characteristics. © Springer-Verlag Berlin Heidelberg 2013.
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Jiang, D., Chen, J., Ren, S., Xi, Y., & Yang, C. (2013). A damage constitutive model of rock salt based on acoustic emission characteristics. In Springer Series in Geomechanics and Geoengineering (pp. 363–377). Springer Verlag. https://doi.org/10.1007/978-3-642-37849-2_29
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