vertical retaining wall 6 m high is supporting a horizontal backfill of soil having a void ratio of 0.5 and specific gravity of 2.7. Angle of internal friction is 32 degrees. 1. Compute the rankine force active on the wall if there is no water. 2. Compute the rankine active force on the wall if the water is on top of the horizontal backfill level. 3. Compute the rankine active force on the wall if the water table is at the bottom of the wall and the water content is 10%

vertical retaining wall 6 m high is supporting a horizontal backfill of soil having a void ratio of 0.5 and specific gravity of 2.7. Angle of internal friction is 32 degrees. 1. Compute the rankine force active on the wall if there is no water. 2. Compute the rankine active force on the wall if the water is on top of the horizontal backfill level. 3. Compute the rankine active force on the wall if the water table is at the bottom of the wall and the water content is 10%

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter12: Lateral Earth Pressure

Section: Chapter Questions

Problem 12.6P

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A retaining wall 6 m high is supporting a horizontal backfill of soil having a void ratio of 0.5 and specific gravity of 2.7. The angle of internal friction is 32. Compute the rankine active force on the wall if there is no water. ISelect) Compute the rankine active force on the wall if the water table is on top of the horizontal backfil level. | Select ) Compute the rankine active force on the wall if the water table is at the bottomn of the wall and the water content is 10N (Select)
A concrete retaining wall 8 m high is supporting a horizontal backfill having a dry unit weight of 16.25kN/m3. The cohesionless soil has an angle of internal friction of 33 degrees and a void ratio 0f 0.65. (Use four decimal places) A. Compute the rankine active force on the wall. B. Compute the rankine active force on the wall if water logging occurs at a depth of 3.5 from the ground surface. C. Compute the location of the resultant active force from the bottom.
A cohesionless granular soil with a unit weight of 18 kN/m³ is retained behind a cantilever wall as shown in Figure E2. Assume no groundwater near the influence zone and that the unit weight of concrete is 23.5 kN/m³ and 8 = 32° on the base of the wall. i. Determine the maximum and minimum pressures under the base. ii. What is the factor of safety against sliding? 50 kPa 0.4m- | = 38° 2m -3.5m- 0.4m Figure E2 6.4m
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A retaining wall 5 m. high is supporting a horizontal backfillhaving a dry unit weight of 1600kg/m3. The cohesionless soil has an angle of friction of 32degree. a. Compute the Rankine active force on the wall b. Compute the Rankine active force on the wall of the water table is located at a depth of 2.5m. below the ground surface. The saturated unit weight is 18.7kn/m3. c. Compute the location of the resultant active force from the bottom from the second condition.
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A retaining wall 6-m high supports a cohesionless soil having a dry density of 1600 kg/m³, angle of shearing resistance is 32 degrees and void ratio of 0.68. The surface of the soil is horizontal and level with the top of the wall. Neglect wall friction and assume active condition. Determine a. The resultant pressure if the soil is dry. b. The resultant pressure if due to inadequate drainage, it is waterlogged to a level 4m below the top of the slope. c. The location measured from the base of the wall of the resultant pressure during the waterlogged condition.
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Determine the stability of the cantilever gravity retaining wall shown in figure below. The existing soil is a clay and the backfill is a coarse-grained soil. The base of the wall will rest on a 50-mm-thick, compacted layer of the backfill. The interface friction between the base and the compacted layer of backfill is 25.0°. Groundwater level is 8 m below the base. 1.0 m Batter 1:20 0.4 m 1.8 m 9, = 20 kPa 8⁰ Ysat = 18 kN/m³ cs = 25° 8 = 15⁰ Backfill Drainage blanket Y = 23.5 kN/m³ 3 m Existing soil 6.1 m 0.9 mi Ysat = 19 kN/m³ = 35° % = 25°
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