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| Content Provider | Springer Nature Link |
|---|---|
| Author | Liu, Wei He, Siming Li, Xinpo Xu, Qiang |
| Copyright Year | 2015 |
| Abstract | Surprisingly, hypermobility (high velocity and long run-out) is a remarkable feature of large landslides and is still poorly understood. In this paper, a velocity-weakening friction law is incorporated into a depth-averaged landslide model for explaining the higher mobility mechanism of landslides. In order to improve the precision of the calculation, a coupled numerical method based on the finite volume method is proposed to solve the model equations. Finally, several numerical tests are performed to verify the stability of the algorithm and reliability of the model. The comparison between numerical results and experimental data indicates that the presented model can predict the movement of landslide accurately. Considering the effect of velocity-weakening friction law, the presented model can better reflect the hypermobility of landslide than the conventional Mohr–Coulomb friction model. This work shows that the application of a universal velocity-weakening friction law is effective in describing the hypermobility of landslide and predicting the extent of landslides. |
| Starting Page | 957 |
| Ending Page | 965 |
| Page Count | 9 |
| File Format | |
| ISSN | 1612510X |
| Journal | Landslides |
| Volume Number | 13 |
| Issue Number | 5 |
| e-ISSN | 16125118 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2015-08-28 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Velocity-weakening friction law Depth-averaged landslide model Hypermobility Numerical simulation Natural Hazards Geography Agriculture Civil Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Geotechnical Engineering and Engineering Geology |
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