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Simple Slope Example - No pore pressures

Simple Slope Example (no pore pressures considered)


This example presents the simple case of a total stress analysis without considering pore water pressures. The soil properties are presented in Table 1 and the model of the problem is shown in Figure 1. The factor of safety and its corresponding critical circular failure is required.


Table 1: Material Properties

c΄ (kN/m2)

φ΄ (deg.)

γ (kN/m3)

3.0

19.6

20.0


xslopestex1.jpg__1170x0_q85_subsampling-2_upscale.jpg.pagespeed.ic.4VSAzqKIug.webp

Figure 1 Model of the problem

Method: Bishop

Factor of Safety

Normal model

0.978

Reversed model

0.994

Note : Referee Factor of Safety = 1.00 [Giam]

Mean Bishop FOS (18 samples) = 0.993

Mean FOS (33 samples) = 0.991


xslopestex2.jpg__1170x0_q85_subsampling-2_upscale.jpg.pagespeed.ic.eZWsSSisW4.webp

Figure 2 – Normal model solution


xslopestex3.jpg__1170x0_q85_subsampling-2_upscale.jpg.pagespeed.ic.FZEOgiro_E.webp

Figure 3 – Reversed model solution


 

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