Abstract
The construction of mechanical-mathematical model and numerical method for the deformation processes of rock massifs with goafs and underground structures is very complex and also important task in modern rock mechanics. In this study, the mechanical-mathematical model is developed for rock massif in vicinity of underground goafs considering the internal block-layered structure of the rock massif. A new constitutive model is introduced in this study to describe the negative Poisson's ratio for the lock-layered structure. Two types of defining equations systems for studying the state of a rock massif taking into account the block-layered structure are described. Finally, several examples are given using the present mechanical-mathematical model.
| Original language | English |
|---|---|
| Pages (from-to) | 92-97 |
| Number of pages | 6 |
| Journal | Theoretical and Applied Mechanics Letters |
| Volume | 10 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jan 2020 |
| Externally published | Yes |
Keywords
- Block-layered structure
- Destruction and limit criteria
- Negative Poisson's ratio
- Rock massif
- Stress-strain state
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