Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 380-386 |
| Seitenumfang | 7 |
| Fachzeitschrift | Journal of Rock Mechanics and Geotechnical Engineering |
| Jahrgang | 6 |
| Ausgabenummer | 4 |
| Publikationsstatus | Veröffentlicht - 23 Juni 2014 |
| Extern publiziert | Ja |
Abstract
Limit equilibrium method (LEM) and strength reduction method (SRM) are the most widely used methods for slope stability analysis. However, it can be noted that they both have some limitations in practical application. In the LEM, the constitutive model cannot be considered and many assumptions are needed between slices of soil/rock. The SRM requires iterative calculations and does not give the slip surface directly. A method for slope stability analysis based on the graph theory is recently developed to directly calculate the minimum safety factor and potential critical slip surface according to the stress results of numerical simulation. The method is based on current stress state and can overcome the disadvantages mentioned above in the two traditional methods. The influences of edge generation and mesh geometry on the position of slip surface and the safety factor of slope are studied, in which a new method for edge generation is proposed, and reasonable mesh size is suggested. The results of benchmark examples and a rock slope show good accuracy and efficiency of the presented method.
ASJC Scopus Sachgebiete
- Erdkunde und Planetologie (insg.)
- Geotechnik und Ingenieurgeologie
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in: Journal of Rock Mechanics and Geotechnical Engineering, Jahrgang 6, Nr. 4, 23.06.2014, S. 380-386.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Effect of graph generation on slope stability analysis based on graph theory
AU - Li, Enpu
AU - Zhuang, Xiaoying
AU - Zheng, Wenbo
AU - Cai, Yongchang
PY - 2014/6/23
Y1 - 2014/6/23
N2 - Limit equilibrium method (LEM) and strength reduction method (SRM) are the most widely used methods for slope stability analysis. However, it can be noted that they both have some limitations in practical application. In the LEM, the constitutive model cannot be considered and many assumptions are needed between slices of soil/rock. The SRM requires iterative calculations and does not give the slip surface directly. A method for slope stability analysis based on the graph theory is recently developed to directly calculate the minimum safety factor and potential critical slip surface according to the stress results of numerical simulation. The method is based on current stress state and can overcome the disadvantages mentioned above in the two traditional methods. The influences of edge generation and mesh geometry on the position of slip surface and the safety factor of slope are studied, in which a new method for edge generation is proposed, and reasonable mesh size is suggested. The results of benchmark examples and a rock slope show good accuracy and efficiency of the presented method.
AB - Limit equilibrium method (LEM) and strength reduction method (SRM) are the most widely used methods for slope stability analysis. However, it can be noted that they both have some limitations in practical application. In the LEM, the constitutive model cannot be considered and many assumptions are needed between slices of soil/rock. The SRM requires iterative calculations and does not give the slip surface directly. A method for slope stability analysis based on the graph theory is recently developed to directly calculate the minimum safety factor and potential critical slip surface according to the stress results of numerical simulation. The method is based on current stress state and can overcome the disadvantages mentioned above in the two traditional methods. The influences of edge generation and mesh geometry on the position of slip surface and the safety factor of slope are studied, in which a new method for edge generation is proposed, and reasonable mesh size is suggested. The results of benchmark examples and a rock slope show good accuracy and efficiency of the presented method.
KW - Edge generation
KW - Graph theory
KW - Mesh geometry
KW - Slope stability analysis
UR - http://www.scopus.com/inward/record.url?scp=84925288568&partnerID=8YFLogxK
U2 - 10.1016/j.jrmge.2014.05.003
DO - 10.1016/j.jrmge.2014.05.003
M3 - Article
AN - SCOPUS:84925288568
VL - 6
SP - 380
EP - 386
JO - Journal of Rock Mechanics and Geotechnical Engineering
JF - Journal of Rock Mechanics and Geotechnical Engineering
SN - 1674-7755
IS - 4
ER -