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Multi-Directional Slip Analysis


Arbitrary_Sliding_Direction

This example is used to illustrate the analysis of a three-dimensional slope stability model using the Multi-Directional Slip Analysis feature of SVSLOPE, i.e., a slip surface direction that does not follow the x-axis. A range of slip surface directions is analyzed and the effect on the factor of safety for the slope is noted.

This example consists of a simple one layer slope. The model is analyzed using the Bishop Simplified method and the GLE method. The purpose of this example is to analyze the stability of a simple slope along several different slip surface directions and present the resultant factors of safety.

The model is developed from: Jiang, Can. Geotech. J. 40: 308-325 (2003). Jiang results were a FOS = 1.33 using the Dynamic Programming search method and the Janbu analysis method.

Model filename: Slopes_3D > Arbitrary_Sliding_Direction.svm

Tags: Slopes_3D,SVSLOPE,3D,Steady-State,Multi-Directional Slip Analysis

Attachments:

MultiDirSlip_Cheng2007_Fig10

This model comes from Fig. 10 in the paper entitled "Three-Dimensional Asymmetrical Slope Stabiiity Analysis Extension of Bishop's, Janbu's, and Morgenstern-Price's Techniques" by Y.M.Cheng and C.J. Yip. Journal of geotechnical and geoenvironmental engineering, 133(12), 2007. Cheng, etc. got a FOS = 0.722 with the Simpified Janbu's Method.

Model filename: Slopes_3D > MultiDirSlip_Cheng2007_Fig10.svm

Tags: Slopes_3D,SVSLOPE,3D,Steady-State,Multi-Directional Slip Analysis

Attachments:

MultiDirSlip_Cheng2007_Fig11

This model is developed from Fig. 11 in the paper entitled "Three-Dimensional Asymmetrical Slope Stabiiity Analysis Extension of Bishop's, Janbu's, and Morgenstern-Price's Techniques" by Y.M.Cheng and C.J. Yip. Journal of geotechnical and geoenvironmental engineering, 133(12), 2007. Cheng, etc. got a FOS = 0.280 with Simpified Janbu's and Morgenstern Method, and the sliding direction at 63.4 degrees CW from axis X.

Model filename: Slopes_3D > MultiDirSlip_Cheng2007_Fig11.svm

Tags: Slopes_3D,SVSLOPE,3D,Steady-State,Multi-Directional Slip Analysis

Attachments:

MultiDirSlip_Huang2000_Fig7a

This model comes from Fig. 7(a) in the paper entitled "New Method for 3D and Asymmetrical Slope stability Analysis" by C.C.Huang and C.C. Tsai. Journal of geotechnical and geoenvironmental engineering, 126(10), 2000. Huang, etc. found a FOS = 1.766 with the Simpified Bishop Method.

Model filename: Slopes_3D > MultiDirSlip_Huang2000_Fig7a.svm

Tags: Slopes_3D,SVSLOPE,3D,Steady-State,Multi-Directional Slip Analysis

Attachments:

MultiDirSlip_Huang2000_Fig8a

This model comes from Fig. 8(a) in the paper entitled "New Method for 3D and Asymmetrical Slope stability Analysis" by C.C.Huang and C.C. Tsai. Journal of geotechnical and geoenvironmental engineering, 126(10), 2000. Huang, etc. got a FOS = 1.235 with the Simpified Bishop Method.

Model filename: Slopes_3D > MultiDirSlip_Huang2000_Fig8a.svm

Tags: Slopes_3D,SVSLOPE,3D,Steady-State,Multi-Directional Slip Analysis

Attachments:

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