additional given/ replacement: fc'=21mpa and fy=415 mpa2. solve and give the correct answerfoundation and retaining wall 2. The cantilever retaining wall resists active lateral earth pressure throughout its length.Given: a= 0.25md=2.8mb= 0.55me=6mc=0.55mH=6.5mUnit weight of soil = 17 kN/m³Unit of concrete = 24 kN/m³Active earth pressure = 1/36.5mNeglect passive earth pressure at the toe.Consider per meter strip of the wall along its length.Calculate the total lateral force in kN on the wall dueto active pressure.0.50mDetermine the overturning moment (OM) in kN.mdue to lateral earth pressure.2.80mHow much is the moment (RM) resisting the overturning moment?Determine the factor of safety against the overturning moment. (FS=RM)OMDetermine the ultimate moment at the wall stem.Determine the number of 20mmØ bars required at the stem of the wall. Use 75mmcover to the centroid of stem reinforcement.

Step 1: Retaining walls are used to support soil laterally to retain it at different levels or of…

0.50m Calculate the total lateral force in KN on the wall due to active pressure. Determine the overturning moment (OM) in kN.m due to lateral earth pressure. -2.80m How much is the moment (RM) resisting the overturning moment? Determine the factor of safety against the overturning moment. (FS=RM) OM Determine the ultimate moment at the wall stem. Determine the number of 20mmØ bars required at the stem of the wall. Use 75mm cover to the centroid of stem reinforcement.

0.50m Calculate the total lateral force in KN on the wall due to active pressure. Determine the overturning moment (OM) in kN.m due to lateral earth pressure. -2.80m How much is the moment (RM) resisting the overturning moment? Determine the factor of safety against the overturning moment. (FS=RM) OM Determine the ultimate moment at the wall stem. Determine the number of 20mmØ bars required at the stem of the wall. Use 75mm cover to the centroid of stem reinforcement.

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 12.5P

See similar textbooks

Similar questions

A retaining wall 7 m high, with its back face smooth and vertical. It retains sand with its surface horizontal. Using Rankine’s theory, determine the active earth pressure at the base when the backfill is saturated. Take γ=18 kN/m^3 ,ϕ=30°, γ_sat=21 kN/m^3.
A retaining wall 4m high supports a horizontal granular back-fill. The unit weight of back fil is 1.65 kN/m^3. Angle of friction of soil is 35 degrees , wall friction angle is 10 degrees. Compute the Coulumbs passive pressure coefficient . Compute the passive force per unit length of wall. Compute the location of the passive force from the bottom of wall.
A retaining wall 7 m high, with its back face smooth and vertical. It retains sand with its surface horizontal. Using Rankine’s theory, determine the active earth pressure at the base when the backfill is dry. Take γ=18 kN/m^3 ,ϕ=30°, γ_sat=21 kN/m^3.
A retaining wall 6m high retains sand with φ = 30° and unit weight24kN/m3 upto the depth of 3 m from top. From 3 m to 6 m the material is cohesive soil with c = 20kN/m2 and φ = 20°. Unit weight of cohesivesoil is 18 kN/m3 A uniform surcharge of 100 kN/m2 acts on top of thesoil determine the total lateral pressure acting on the wall and its pointsof application.
A retaining wall 7 m high, with its back face smooth and vertical. It retains sand with its surface horizontal. Using Rankine’s theory, determine the active earth pressure at the base when the backfill is submerged with water table at the surface. Take γ=18 kN/m^3 ,ϕ=30°, γ_sat=21 kN/m^3.
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.
A 6m vertical retaining wall is supporting a cohesion less horizontal back fill having a unit weight of 16kN/m3 and an angle off riction of 32 degrees. It carries a uniforms urcharge of15kN/m3. a)Determine the at rest lateral force per unit length of wall. b) Determine the Rankines active force per unit length of wall. c)Determine the Rankines passive force per unit length of wall.
A retaining wall has a vertical back and is 10m high. The soil is sandyloam of unit weight 20 kN/m3. It shows a cohesion of 12 kN/m2 and φ = 20°. Neglecting wall friction, determine the thrust on the wall. Theupper surface of the fill is horizontal
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%
The cantilever retaining wall, whose cross section is shown below, retains a sandy backfill with soils properties as given in the figure.5.1. Evaluate the stability of the wall against overturning and sliding. Assume that thepassive earth pressure is fully mobilized in front of the wall, i.e. use include passive pressure in your calculations. 5.2. Draw the pressure distribution beneath the retaining wall indicating the numerical values of the maximum and minimum pressures. Given density of concrete = 24kN/m3 revision paper 2020
Compute for the height of the retaining wall if the Force (CLUE: Ha in the reference book) applied per meter of analysis of the wall is computed as 38,471.12 N/m. Active soil pressure coefficient is 0.333 and the unit weight of the backfill soil is 17,265.50 N/m3.
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 wall