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Using Ordinary Method of Slices, compute the factor of safety for the trial circle shown below. The slope contains seepage (notice the water Table)
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Problem 1 For a slope as shown in the figure below. Using the ordinary method of slices (i.e. Fellenius), find the factor of safety for the trial case B = 45',' = 20°, c' = 19.2 kPa, y = 18.08 kN/m, H= 12.2 m, a = 30° and 0 = 700. Hint: You can divide the trial slip surface into 7 slices as below. 700 ① / ② / ③ / 0 / 0 3.2 3 3 3 3 3
What is the main disadvantage of the ordinary method of slices compared to other methods of slices? O It can only consider certain shapes for the slip surface It cannot consider the interaction between the adjacent slices O The water table must be below the slip surface for using this method O All of above
The following figure shows a slope stability analysis undertaken on a clay slope using the method of slices. The table gives some details of the analysis. Fill in the spaces of the table and compute the factor of safety for the slope. Use the equation for Ordinary (Swedish) method given by + (W cosa - ul) tang') (W sin a) Y=20kNm c' = 20KN/m 6' = 29° (=b/cos Note: W should be equal to bhy Solution: W Wcos | Wsin...
Question 1 A slope with angle B -45, H = 9 m, cohesion c =20 kN/m², 0=25, y = 17 kN/m is to be constructed; Find; 1- The critical height of the slope. 2- The factor of safety so that Fc = FØ =F (Hint: Taylors stability number) Question 2 A slope of height H=12 m, ß = 50°, r=18 kN/m', c=30 kN/m², Ø = 25° Find the factor of safety using; 1- Ordinary method of slices. 2- Bishop's simplified...
Find the factor of safety using bishops modified method (total and effective stresses with 6 slices) O. GWT: horizontal, passes through slope toe, shown as blue dashed line FAILURE SURFACE: center of circle given as black point, failure surface passes through the toe 3 m 6 m 20° m O. GWT: horizontal, passes through slope toe, shown as blue dashed line FAILURE SURFACE: center of circle given as black point, failure surface passes through the toe 3 m 6 m...
Homework 13 Due: 12/03/2018 Name 1 of 1 CVE3715 Problem 1: For the slope shown below, determine the factor of safety against sliding along the circular slip surface AC. Use the ordinary method of slices 27 m 7.5 m BV C 21 m y 19 kN/m3 c'-31 kN/m2 4 240 A30
ne of Issue: 20-03-2619 Semester: 302 of slices, determine the factor of safety against shear failurd slope shown in the figure with respect to effective stress along the surface AB in the pressures along the slip surface may be estimated from the piezometric soil properties are c 12 own, assuming a condition of steady seepage. The soil properes 8.0 m 8.0 m piezometric surface 2.0 m 3.0 m ne of Issue: 20-03-2619 Semester: 302 of slices, determine the factor of...
A 6 m deep slope is going to be excavated in a deep soil deposit. The geometry of the slope is shown in the following figure. Assume. The soil has the following properties: yt = 19 kN/m3, cu = 20 kPa, u = 0o R = 10 m, AB = 2 m Water table is well below the toe of the embankment. Note: only a is a variable input. Find the net area and the centroid of this net area...
19. In order to determine the factor of safety of the d/s slope during steady seepage, the section of a homogeneous earth dam was drawn to scale of 1 cm = 10 m; and the following results were obtained on a trial slip circle. Area of N-diagram = 12.15 sq cm. Area of T-diagram = 6.50 sq cm. Area of U-diagram = 4.02 sq cm. Length of arc = 11.60 cm The dam material has the following properties : Effective...
4) A large slope is constructed as shown in the figure below. A failure surface is considered passing through the crest and the toe of the slope. The soil properties are y= 18 kN/m2, c 0 kPa and =25°. The water table is well below the ground surface Using the theory for the stability of an infinite slope, estimate the factor of safety. [5 а. marks] b. Use Fellenius' method to determine the Factor of Safety against failure. [13 marks]...