Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Question
Chapter 13, Problem 13.20P
To determine
Find the Rankine passive force
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3) A 5-m-high retaining wall is shown in Figure-2. Determine
A) Rankine active force per unit length of the wall and the location of the resultant
B) Rankine passive force per unit length of the wall and the location of the resultant
In Fig. 1 a retaining wall has a vertical back and is 8 m high. Determine the magnitude and the location the resultant of active force per unit meter with plot the diagram of active earth pressure. Neglecting the effect of wall friction. plot the diagram of active earth pressure
Determine the active and passive force acting on a 3 meter high wall that supports clay with an undrained shear strength of 100 kPa and a unit weight of 19.20 kN/m
Chapter 13 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
Ch. 13 - Prob. 13.1PCh. 13 - Prob. 13.2PCh. 13 - Prob. 13.3PCh. 13 - Prob. 13.4PCh. 13 - Prob. 13.5PCh. 13 - Prob. 13.6PCh. 13 - Prob. 13.7PCh. 13 - Prob. 13.8PCh. 13 - Prob. 13.9PCh. 13 - Prob. 13.10P
Ch. 13 - Prob. 13.11PCh. 13 - Prob. 13.12PCh. 13 - Prob. 13.13PCh. 13 - Prob. 13.14PCh. 13 - Prob. 13.15PCh. 13 - Prob. 13.16PCh. 13 - Prob. 13.17PCh. 13 - Prob. 13.18PCh. 13 - Prob. 13.19PCh. 13 - Prob. 13.20PCh. 13 - Prob. 13.21PCh. 13 - Prob. 13.22PCh. 13 - Prob. 13.23PCh. 13 - Prob. 13.24PCh. 13 - Prob. 13.25PCh. 13 - Prob. 13.26PCh. 13 - Prob. 13.27PCh. 13 - Prob. 13.1CTP
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- A retaining wall is shown in Figure 1. Determine the Rankine active and passive force, per unit length of the wall and the location of the resultant with the following measurements and parameters given:arrow_forwardA retaining wall supports a horizontal backfill that is composed of two types of soil. First layer: 4.27 meters high, Unit weight of 17.25 kN/m3, coefficient of active pressure of 0.286 Second layer: 6.27 meters high, Unit weight of 18.27 kN/m3, coefficient of active pressure of 0.309 Determine the distance of the total active force measured from the bottom of the wall. Round off to three decimal places.arrow_forwardCalculate the active and passive earth pressures . And the distance at which the net active force and passive force will act on the retaining wall.arrow_forward
- An 8 m high retaining wall supports a 5.5 m deep sand (γd = 18.5 kN/m3, Φ = 34°) overlying a saturated sandy clay (γsat = 20.3 kN/m3, Φ = 28°, c = 17kPa). The groundwater level is located at the interface of two layers. Determine the magnitude (kN) and location (m) of the resultant active force on the 25m long wall.arrow_forwardConsider a 4-m-high retaining wall with a vertical back and horizontal granular backfill, as shown in Figure 12.25. Given: γ = 18 kN/m3, Φ' = 40º, c' = 0, ẟ' = 20º, kv = 0, and kh = 0.2. Determine the passive force Ppe per unit length of the wall taking the earthquake effect into consideration.arrow_forwarda retaining wall supports a horizontal backfill that is composed of two types of soil. first layer: 4.92 meters high, Unit weight of 16.29 kN/m^3, coefficient of active pressure of 0.296 second: 6.85 meters high, Unit weight of 18.31 kN/m^3, coefficient of active pressure of 0.302 determine the distance of the total active force measured from the bottom of the wallarrow_forward
- A retaining wall supports a horizontal backfill that is composed of two types of soil First layer: 4.75 meters high, Unit weight of 16.35 kN/m^3, coefficient of active pressure of 0.295 Second layer: 5.38 meters high, Unit weight of 18.54 kN/m^3, coefficient of active pressure of 0.305 Determine the distance of the total active force measured from the bottom of the wallarrow_forwardA retaining wall 7.5 m high, retains a cohesionless horizontal-backfill. The top 3 m. of the fill has a unit weight of 18 kN/m^3 and angle of friction of 30 degrees and the rest has a unit weight of 24 kN/m^3 and angle of friction of 20 degrees. Compute the intensity oft rmuor the bottom of the wall in kPa. Compute the total active thrust per meter run of the wall. Compute the height of point of application of the thrust above the wall.arrow_forwardA 4m high vertical wall supports a saturated cohesive soil φ = 0 withhorizontal surface. The top 2.5m of the backfill has bulk density of 17.6kN/m3 and apparent cohesion of 15 kN/m2 The bulk density and apparent cohesion of the bottom 1.5 m is 19.2 kN/m3 and 20 kN/m2 respectively. If tension cracks develop, what would be the total active pressure on the wall? Also draw the pressure distribution diagramarrow_forward
- From the given figure. Determine the total active lateral pressure at the base of the wall in kPaarrow_forwardIn Figure 12.24, which shows a vertical retaining wall with a granular backfill, let H = 4 m, α = 17.5º, γ = 16.5 kN/m3, Φ' = 35º, and ẟ' = 10º. Based on Caquot and Kerisel’s solution, what would be the passive force per meter length of the wall?arrow_forwardGiven the height of the retaining wall, H is 6.4 m; the backfill is a saturated clay with f 5 08, c 5 30.2 kN/m2 , gsat 5 17.76 kN/m3 , a. Determine the Rankine active pressure distribution diagram behind the wall. b. Determine the depth of the tensile crack, zc. c. Estimate the Rankine active force per foot length of the wall before and after the occurrence of the tensile crack.arrow_forward
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