NDLI: Stability assessment of a slope under a transformer substation using numerical modelling

Content Provider	Springer Nature Link
Author	Li, H. J. Dai, F. C. Li, W. C. Xu, L. Min, H.
Copyright Year	2010
Abstract	This paper presents an analysis of the deformation mechanism and stability assessment of a slope in Yunnan Province, China. Field investigations indicated that the deformation of the slope was caused by the combined effects of the unfavorable topographical, geological and hydrogeological conditions and the placement of man-made fill. The stability of the slope was assessed by 3D numerical modeling which showed that the factor of safety of the slope was 1.1 in the natural state but reduced to 1.03 after fill was placed. Pile reinforcement was undertaken, which raised the factor of safety to 1.27.L’article présente une analyse du mécanisme de déformation et une évaluation de la stabilité d’une pente dans la province de Yunnan, en Chine. Les travaux de terrain ont indiqué que la déformation de la pente résultait d’effets combinés en rapport avec des conditions topographiques, géologiques et hydrogéologiques défavorables et la construction d’un remblai. La stabilité de la pente a été évaluée à l’aide d’une simulation numérique 3D qui a montré que le facteur de sécurité de la pente valait 1,1 en conditions naturelles mais passait à 1,03 après construction du remblai. Des renforcements par pieux ont été réalisés, ce qui a fait passer le coefficient de sécurité à 1,27.
Starting Page	385
Ending Page	394
Page Count	10
File Format	PDF
ISSN	14359529
Journal	Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur
Volume Number	70
Issue Number	3
e-ISSN	14359537
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-09-17
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Remblai sur pente Mécanisme de déformation Simulation numérique Diminution de résistance Applied Earth Sciences Geoengineering, Foundations, Hydraulics Geoecology/Natural Processes Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Geology Geotechnical Engineering and Engineering Geology

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