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| Content Provider | Springer Nature Link |
|---|---|
| Author | Bonilla Sierra, V. Scholtès, L. Donzé, F. V. Elmouttie, M. K. |
| Copyright Year | 2015 |
| Abstract | Structural and mechanical analyses of rock mass are key components for rock slope stability assessment. The complementary use of photogrammetric techniques and numerical models coupling discrete fracture networks with the discrete element method (DEM) provides a methodology that can be applied to assess the mechanical behaviour of realistic three-dimensional (3D) configurations for which fracture persistence cannot be assumed. A real case has been studied to show the complete methodology from the acquisition of the photogrammetric data to the numerical modelling of the potential progressive failure process occurring in the rock mass. Using a 3D mapping system and its associated structural mapping tool Sirovision, the topography and the discontinuity set of an unstable rock block located in a limestone layer of the Mount Néron, located in the French Alps, were imported into a DEM code specially enhanced for the modelling of pre-fractured rock masses. A stability analysis has been carried out, emphasizing the contribution of rock bridge failure through a mixed shear-tensile failure process to the generation of new failure surfaces. This addresses limitations in methodologies using only shear strength reduction method. It is believed that the proposed methodology can strengthen the basis for a more comprehensive stability analysis of complex fractured rock slopes. |
| Starting Page | 497 |
| Ending Page | 511 |
| Page Count | 15 |
| File Format | |
| ISSN | 18611125 |
| Journal | Acta Geotechnica |
| Volume Number | 10 |
| Issue Number | 4 |
| e-ISSN | 18611133 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2015-02-06 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | DFN–DEM numerical modelling Photogrammetry Progressive failure Rock slope stability Geoengineering, Foundations, Hydraulics Continuum Mechanics and Mechanics of Materials Geotechnical Engineering & Applied Earth Sciences Soil Science & Conservation Soft and Granular Matter, Complex Fluids and Microfluidics Structural Mechanics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Geotechnical Engineering and Engineering Geology |
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