Answer fast Compute the factor of safety for below slope using Janbu's = 0 soils charts. Assume a total unitweight of 110 pcf. (hint: you should consider all possible failure surfaces to calculate the minimumfactor of safety)20 ft.3S₁ = 500 psf10 ft.+10 ft.Su=300 psfSu = 400 psf

Let's continue by calculating the factor of safety (FOS) for the trial failure surface using Janbu's…

Answered: Compute the factor of safety for below…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter13: Slope Stability

Section: Chapter Questions

Problem 13.13P

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You are required to analyse a slope stability problem using the Swedish method for failure along the slip surface as shown in the figure below. The slope is inclined at an angle of 30° to the horizontal and has a height of 10 m. The ground water table (GWT) is located at a depth of 5.1 m below the crest. It goes along the slope and reaches at the toe level as shown in the figure. Soil investigation revealed that the site consists of a layer of silty clay overlying a layer of sand. Assume c = (40 + 2x) kPa and ϕ = 10° for the silty clay, and c = 0 and ϕ = (30 + x)° for the sand layer; where x is the last digit of your student ID (e.g., if your student ID is 5746189, x = 9). All slices have equal width (b = 2.89 m) and the slices are numbered 1‒6 from left to right. The coordinates of the midpoint of the bases (M , M , M , M , M , M ) of the slices are shown on the right side of the figure. The weights of slices 1‒6 are as follows (in kN/m): W1 = 53.5, W2 = 141.3, W3 = 199.6, W4= 224.8,…
concept of slope stability in fine soil the factor that affect the stability and the causes of failuar
Plz, answer all the parts have been asked in this question Geotechnical Engineering-2 Question-1: a. A fill load is applied on ground surface. WT being on the ground surface, describe the variation of porewater pressure and effective vertical stress with time for an element of soil at depth z and locate excess pore water pressure on the curve. b. Explain in-situ correction to e-logo' curve for Overconsolidated clay, with the help of diagram only c. Discuss the theorectical curve of U Vs log(Tv) with experimental curve of dial readings Vs log(t) from Oedometer Test.
A geotechnical engineer is evaluating the stability of the slope shown in Figure 1. This evaluation is considering the potential for a shear failure along the shear surface shown. The soil has φ’= 30o and no cohesive strength. a). Compute the effective shear strength at Point A along this surface when the groundwater table is at level B, then compute the new shear strength if the groundwater table rises to level C. The unit weight of the soil is 120 lb/ft3 above the groundwater table and 123 lb/ft3 below b). If the shear stress at point A is 2000 psf, what are the factors of safety against sliding at water level B and C? Hint: use effective stress and assume the failure surface at point A is horizontal.
What is the factor of safety and where is the most critical failure surface? - Assume planar failure mode Please show hand calculations and explain any steps. Thankyou!
Please give the correct solutionnof this problem on geotechnical engineering
Answer Q13 to Q 15 based on following description A cutting in a saturated clay is inclined at a slope 1 vert:1.2 horizontal and has a vertical height of 10.0 m. The bulk unit weight of the soil is 18 kN/m³ and its undrained cohesion is 35 kN/m³. Undrained friction angle, -0. Area of slip mass = 51.2 m², d= 7 m r=12m 2m 1 W 10m FoS of a slope along a circular slip surface is given by; cular F = Wd Calculate the arc length along the slip surface, La a-964.8 m O b. 16.8 m O c. 114.0 m O d. 8.4 m d=5m 1.2
Question-3:(i). For the given failure surface, determine the factor of safety in terms of total stress for the slope given in the Figure 01. The unit weight for both soils is 19 kN/m3. The characteristic undrained strength (cu) is 30 kN/m2 for soil 1 and 45 kN/m2 for soil 2. What is the factor of safety aginst slope failure?(ii). Which method of slope stability analysis you would use to evaluate long term stability of the slope shown in Figure 01, and Why?
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3500 kN 3 m x 3 m 0.6 m Ya = 17.5 kN/m³ Sand 0.6 m GWT Sand Ysat = 18.3 kN/m3 1.2 m Y sat = 17.1 kN/m³ C, = 0.06 Clay 1.2 m e, = 1.4 Cc = 0.38 %3D
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Compute the factor of safety for below slope using Janbu's = 0 soils charts. Assume a total unit weight of 110 pcf. (hint: you should consider all possible failure surfaces to calculate the minimum factor of safety) 20 ft. 3 S₁ = 500 psf 10 ft. + 10 ft. Su=300 psf Su = 400 psf