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| Content Provider | Springer Nature Link |
|---|---|
| Author | Liu, Yao ru Wu, Zhe shu Chang, Qiang Li, Bo Yang, Qiang |
| Copyright Year | 2015 |
| Abstract | The rigid body limit equilibrium method (RBLEM) and finite element method (FEM) are two widely used approaches for rock slope’s stability analysis currently. RBLEM introduced plethoric assumptions; while traditional FEM relied on artificial factors when determining factor of safety (FOS) and sliding surfaces. Based on the definition of structure instability that an elasto-plastic structure is not stable if it is unable to satisfy simultaneously equilibrium condition, kinematical admissibility and constitutive equations under given external loads, deformation reinforcement theory (DRT) is developed. With this theory, plastic complementary energy (PCE) can be used to evaluate the overall stability of rock slope, and the unbalanced force beyond the yield surface could be the identification of local failure. Compared with traditional slope stability analysis approaches, the PCE norm curve to strength reduced factor is introduced and the unbalanced force is applied to the determination of key sliding surfaces and required reinforcement. Typical and important issues in rock slope stability are tested in TFINE(a three-dimensional nonlinear finite element program), which is further applied to several representatives of high rock slope’s stability evaluation and reinforcement engineering practice in southwest of China. |
| Starting Page | 2739 |
| Ending Page | 2751 |
| Page Count | 13 |
| File Format | |
| ISSN | 20952899 |
| Journal | Journal of Central South University of Technology |
| Volume Number | 22 |
| Issue Number | 7 |
| e-ISSN | 22275223 |
| Language | English |
| Publisher | Central South University |
| Publisher Date | 2015-07-14 |
| Publisher Place | Changsha |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | stability analysis rock slope plastic complementary energy (PCE) unbalanced forces elasto-plasticity FEM Engineering Metallic Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Metals and Alloys Engineering |
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