Abstract
A kind of diatomaceous soft rock and its constitutive model are studied in this article. Based on Yin and Graham's (1999) 3-D elastic viscoplastic constitutive model, the formulation under a triaxial stress state is established, and it is used to simulate the time-dependent stress-strain behavior and effective stress path of consolidated undrained triaxial tests of both normally consolidated and overconsolidated soft rock. The comparison between the model predictions and measured results shows that their agreement is good. This demonstrates that the constitutive equation established here can be used to simulate the time-dependent stress-strain behavior of the soft rock under triaxial stress condition.
| Original language | English |
|---|---|
| Pages (from-to) | 183-200 |
| Number of pages | 18 |
| Journal | Marine Georesources and Geotechnology |
| Volume | 21 |
| Issue number | 3-4 |
| DOIs | |
| Publication status | Published - 1 Jul 2003 |
Keywords
- Consolidated-undrained triaxial test
- Constitutive relation
- Equivalent time
- Soft rock
- Strain softening
- Time-dependent
ASJC Scopus subject areas
- Oceanography
- Geotechnical Engineering and Engineering Geology
- Ocean Engineering