Refine your search�ソスF     
Report No.
 - 

Determinaion of parameters for a stress-strain constitutive equation considering time-dependent behavior of Toki granite

Hirano, Toru; Seno, Yasuhiro; Nakama, Shigeo ; Okubo, Seisuke*

Toki granite was tested to obtain parameters for the constitutive equation and numerical simulations were carried out. The testing method was uniaxial compressive loading at the moderate a constant strain rate that is decreased after yielding to obtain the complete stress-strain curve. In addition, two kinds of the strain rate were alternately switched to obtain the parameter ${it n}$ from one specimen. The ${it n}$ represents the strength time-dependence in the constitutive equation. Based on ${it n}$ and the complete stress-strain curve, second parameter ${it m}$ can be calculated by numerical simulations. The ${it m}$ accounts for the behavior after yielding. According to the results, Toki granite has ${it n}$=52 and ${it m}$=60. Thus shows relatively low time-dependence.

Accesses

:

- Accesses

InCites™

:

Altmetrics

:

[CLARIVATE ANALYTICS], [WEB OF SCIENCE], [HIGHLY CITED PAPER & CUP LOGO] and [HOT PAPER & FIRE LOGO] are trademarks of Clarivate Analytics, and/or its affiliated company or companies, and used herein by permission and/or license.