For the cantilever retaining wall shown in the figure below, let the following data be given: Wall dimensions: H = 8 m, x1 = 0.4 m, x2 = 0.6 m, x3 = 1.5 m, x4 = 3.5 m, x5 = 0.96 m, D= 1.75 m, α = 10° Soil properties: 71 = 14.8 kN/m³, ₁ = 32°, Y2 = 17.6 kN/m³, 2 = 28°, c₂ = 30 kN/m² The value of Ka is 0.3210. For 2 = 28°: Nc = 25.80; N₁ = 14.72; N₁ = = 16.72. H c₁ = 0 Φί x5 Calculate the factor of safety with respect to overturning, sliding, and bearing capacity. Use Yconcrete 21.58 kN/m³. Also, use k₁ = k₂ = 2/3 and P = 0 in the equation 3 FS (sliding) tan(k12) + Bk2c₁₂ + Pp Pa cos a (Enter your answers to three significant figures.) FS (overturning) FS (sliding) FS (bearing) = =

For the cantilever retaining wall shown in the figure below, let the following data be given: Wall dimensions: H = 8 m, x1 = 0.4 m, x2 = 0.6 m, x3 = 1.5 m, x4 = 3.5 m, x5 = 0.96 m, D= 1.75 m, α = 10° Soil properties: 71 = 14.8 kN/m³, ₁ = 32°, Y2 = 17.6 kN/m³, 2 = 28°, c₂ = 30 kN/m² The value of Ka is 0.3210. For 2 = 28°: Nc = 25.80; N₁ = 14.72; N₁ = = 16.72. H c₁ = 0 Φί x5 Calculate the factor of safety with respect to overturning, sliding, and bearing capacity. Use Yconcrete 21.58 kN/m³. Also, use k₁ = k₂ = 2/3 and P = 0 in the equation 3 FS (sliding) tan(k12) + Bk2c₁₂ + Pp Pa cos a (Enter your answers to three significant figures.) FS (overturning) FS (sliding) FS (bearing) = =

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter15: Retaining Walls, Braced Cuts, And Sheet Pile Walls

Section: Chapter Questions

Problem 15.5P

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For the cantilever retaining wall shown in the figure below, let the following data be given: Wall dimensions: = 6.5 , = 0.3 , = 0.6 , = 0.8 , = 2 , = 0.8 , = 1.5 , = 0 Soil properties: = 17.08 , = 36, = 19.65 , = 15, = 30 For = 15: = 10.98; = 3.94; = 2.65. Calculate the factor of safety with respect to overturning, sliding, and bearing capacity. Use = 23.58 . Also, use = = 2/3 and = 0 in equation (Enter your answers to three significant figures.) = = =
For the cantilever retaining wall shown in Figure P13.1, let the following data be given: Wall dimensions: H = 8m x₁ = 0.40m x₂ = 0.60m Soil properties: Y₁ = 16.80kN/m³ Y2 = 17.60kN/m³ c=0 x3 = 1.50m x₁ = 3.50m x = 0.96m $₁ = 32° $½ = = 28° Figure P13.1 a. Calculate the factor of safety with respect to overturning. b. Calculate the factor of safety with respect to sliding. c. The magnitude of the pressure on the base at the toe. d. The magnitude of the pressure on the base at the heel. D = 1.75m a = 10° C₂' = 30kN/m² Use the Yconcrete = 23.58kN/m³. Also, use k₁=k₂ = 2/3 which are the factor to calculate for p' and Ca-
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Design a cantilever retaining wall shown in let the following data be given: Wall dimensions : H= 8 m, x1=0.4 m, x2=0.6 m, x3=1.5 m, x=3.5 m, X5=0.96 m, D = 1.75 m, a = 10° Soil properties : Y1 = 16.5 kN/m³, Q'r= 32°, y2 = 17.6 kN/m³, $'2= 28°, c'2=30 kN/m² Wall properties : Yconcrete = 23.58 kN/m³. Others : ki=k2= 2/3, Pp = 0 a) Calculate the factor of safety with respect to overturning, sliding, and bearing capacity. b) Is the design of the wall satisfactory with respect to the overturning, sliding, and bearing capacity limit states? Analyze your results referred to the Factor of Safety against overturning, FOSO > 2.5 and Factor of Safety against sliding, FOSS > 1.5. で
The cross section of a cantilever retaining wall is given below. Based on the given soil properties and wall geometry: (x = 23.5 kN/m³). Wall dimensions: H = 5 m, X₁ = 0.3 m, X₂=0.80 m, X3 = 1.25 m, X4 = 2 m, X5 = 0.55 m, D = 1 m Soil properties: y = 17 kN/m³, Ø₁ = 29°, 72= 18 kN/m³, 0₂ = 22°, c₂ = 30 kN/m² www Xs |—×3 →|· 1. Calculate the factor of safety with respect to: A. Overturning about the toe? Use a table to calculate the materials and moments. B. Sliding about the base of the footing? Use kl=k2= H FUS
3. Compute the resultant lateral force for the soil-wall system shown in Figure 3. You may ignore tensile cracks. Use • A- Coloumb • B - Rankine 0=30°, y=20kN/m³ 4m Ground water table 7m c=50KN/m², p=10°, y=18KN/m³ 0=25°, y=20KN/m³ 8 m Gravity wall Figure 3
4. A retaining wall shown in the figure, determine the Rankine Active force, Pa, per unit length of the wall and the location of the resultant. H = 10 ft, H1 = 5 ft, Y1 = 105 Ib/ft? , Y2 = 122 Ib/ft? , 01 = 30° , $2 = 30° Sand H1 Y1 ci = 0 Groundwater table Н Sand Y2 (saturated unit weight) c2 = 0 Frictionless wall
The cross section of a cantilever retaining wall is given below. Based on the given soil properties and wall geometry: ( Knowing that y, = 23.5 kN/m³ ) Wall dimensions: H = 7 m, X, = 0.55 m, X, = 0.75 m, X, = 1.2 m, X, = 2.1 m, X, = 0.7 m, D = 1 m Soil properties: Y, = 17 kN/m², , y,= 18 kN/m², , kN/m² ーュート 1. Calculate the factor of safety with respect to: A. Overturning about the toe? B. Sliding about the base of the footing? Use kl=k2= マで

The figure below shows a retaining wall with a horizontal backfill, which may fail in active mode. Note that the water table elevations in front of the wall and at the back of the wall are different. calculate and draw all lateral pressures acting against the wall ? Please urgent help me.. thank you
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