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| Content Provider | Springer Nature Link |
|---|---|
| Author | Matsukura, Y. |
| Copyright Year | 2001 |
| Abstract | This paper discusses the stability analysis undertaken on a 11,000 m3 rockfall at Toyohama Tunnel in 1996. It is considered that this rockfall resulted from slab failure caused by shearing, with the sliding plane passing through the deepest part of the notch formed at the cliff base. The slope stability analysis was carried out using Culmann's analysis and the measured properties of the Middle Miocene hyaloclastic rocks which form the cliff. It is shown that the cliff reaches a critical condition when the depth of the notch is some 2.5 m, corresponding with the approximately 2 m estimated from photographs. Cet article présente l'analyse de stabilité réalisée pour un éboulement de 11.000 m3 au tunnel de Toyohama en 1996. On considère que cet éboulement résulte d'une rupture de plaque causée par cisaillement, le plan de glissement passant par la partie la plus profonde de l'encoche formée à la base de la falaise. L'analyse de stabilité de talus a été réalisée en utilisant la méthode de Culmann et des caractéristiques mécaniques mesurées pour les roches hyaloclastiques du Miocène moyen, constituant la falaise. On montre que des conditions critiques se présentent lorsque la profondeur de l'encoche atteint 2,5 m, valeur en accord avec la profondeur de 2 m estimée d'après des photographies. |
| Starting Page | 285 |
| Ending Page | 289 |
| Page Count | 5 |
| File Format | |
| ISSN | 14359529 |
| Journal | Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur |
| Volume Number | 60 |
| Issue Number | 4 |
| e-ISSN | 14359537 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2001-07-10 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Geology Geotechnical Engineering and Engineering Geology |
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