A constitutive relationship for jointed rock mass considering the change of roughness and its application
Xiaolin Li, Ge Zhang, Xinyi Chen, Chao Yang · 2025
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Description
Rock slopes fail along their joints, and joint surfaces wear smoother as they slide — a change most strength models ignore. Xiaolin Li and co-authors built the wear into a new model in this 2025 paper. Their constitutive relationship ties shear stiffness to roughness as it degrades with displacement. Direct shear tests supplied the underlying behavior.
The model was coded into simulation software and checked against lab tests under several squeezing loads. Peak and leftover strength both matched closely. Layered rock slopes were then simulated as the application case. Static roughness assumptions had misread how shear deformation grows. A model that watches the surface age gives engineers truer margins.
Catalog record
| CREATOR | Xiaolin Li, Ge Zhang, Xinyi Chen, Chao Yang |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 28 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |