Abstract
The fatigue test for rock salt is conducted to investigate the effects of stress amplitude, loading frequency and loading rate on the plastic strain energy, from which the evaluation rule of the plastic strain energy is analyzed, which is divided into three stages: cyclic hardening, saturation and cyclic softening. The total accumulated plastic strain energy only depends on the mechanical behavior of rock salt, but is immune to the loading conditions. A novel model for fatigue life prediction is proposed based on the invariance of the total plastic dissipation energy and the stability of the plastic energy per cycle.
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22 November 2018
In all the articles in Acta Mechanica Solida Sinica, Volume 31, Issues 1–4, the copyright is incorrectly displayed as “The Chinese Society of Theoretical and Applied Mechanics and Technology ” where it should be “The Chinese Society of Theoretical and Applied Mechanics”.
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Acknowledgements
This study is sponsored by the National Natural Science Foundation of China (Nos. 51179153 and 11572246). The financial support provided by these sponsors is greatly appreciated.
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He, M.M., Li, N., Huang, B.Q. et al. Plastic Strain Energy Model for Rock Salt Under Fatigue Loading. Acta Mech. Solida Sin. 31, 322–331 (2018). https://doi.org/10.1007/s10338-018-0025-7
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DOI: https://doi.org/10.1007/s10338-018-0025-7