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- Title
Equivalent Viscoelastic Behavior of High-Temperature Granite Under Seismic Wave.
- Authors
Fan, L. F.; Yang, Q. H.; Wang, M.; Du, X. L.
- Abstract
This paper investigates the equivalent viscoelastic behavior of granite after different high-temperature treatments under stress waves. The equivalent viscoelastic behavior of granite after different high-temperature treatments under dynamic conditions was investigated by the pendulum impact test, while its quasi-static behavior was investigated by the uniaxial compression test. The attenuation coefficient, wave number, storage modulus and loss modulus of granite after high-temperature treatments were determined based on the pendulum impact test. A modified three-element model was proposed to describe the relationship between the equivalent viscoelastic behavior of granite and temperature. The proposed model was validated by comparing the storage modulus and loss modulus predicted by the proposed model and those based on the pendulum impact test. The results show that the attenuation coefficient and wave number increase as temperature increases. While the storage modulus and loss modulus decrease as the temperature increases. The proposed model could describe the storage modulus and loss modulus of granite after high-temperature treatment with acceptable accuracy.
- Subjects
GRANITE; WAVENUMBER; ATTENUATION coefficients; IMPACT testing; PENDULUMS; SEISMIC waves; STRESS waves
- Publication
Rock Mechanics & Rock Engineering, 2022, Vol 55, Issue 2, p967
- ISSN
0723-2632
- Publication type
Article
- DOI
10.1007/s00603-021-02677-8