Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 14, Problem 14.16CTP
To determine
Find the magnitude and location of the resultant active force on the wall.
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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
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Chapter 14 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
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- A 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_forwardA retaining wall supports a horizontal backfill that is composed of two types of soil. The first layer is 5.71 meters high. It has a unit weight of 16.03 kN/m3. The second layer is 6.21 meters and has a unit weight of 18.46 kN/m3. If the angle of friction for both layers is 37°, determine the total active force (kN) acting on the retaining wall per unit width.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
- a 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_forwardAn 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_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
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