NDLI: Limit equilibrium stability analysis of slopes under external loads

Content Provider	Springer Nature Link
Author	Deng, Dong ping Zhao, Lian heng Li, Liang
Copyright Year	2016
Abstract	Two calculation modes for the effect of external load on slope stability, i.e., mode I in which the external load is thought to act on slope surface, and mode II in which the external load is thought to act on slip surface along the force action line, were considered. Meanwhile, four basic distribution patterns of external load were used, of which complex external loads could be composed. In analysis process, several limit equilibrium methods, such as Swedish method, simplified Bishop method, simplified Janbu method, Spencer method, Morgenstern-Price (M-P) method, Sarma method, and unbalanced thrust method, were also adopted to contrast their differences in slope stability under the external load. According to parametric analysis, some conclusions can be obtained as follows: (1) The external load, with the large magnitude, small inclination angle, and acting position close to the slope toe, has more positive effect on slope stability; (2) The results calculated using modes I and II of external load are similar, indicating that the calculation mode of external load has little influence on slope stability; (3) If different patterns of external loads are equivalent to each other, their slope stability under these external loads are the same, and if not, the external load leads to the better slope stability, as action position of the resultant force for external load is closer to the lower sliding point of slip surface.
Starting Page	2382
Ending Page	2396
Page Count	15
File Format	PDF
ISSN	20952899
Journal	Journal of Central South University of Technology
Volume Number	23
Issue Number	9
e-ISSN	22275223
Language	English
Publisher	Central South University
Publisher Date	2016-09-30
Publisher Place	Changsha
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	slope stability calculation mode of external load distribution pattern of external load limit equilibrium slip surface factor of safety (FOS) Engineering Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys Engineering

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