Active earth pressure per meter length on theretaining wall with a smooth vertical back asshown in the figure will beSAND3Y 2t/mO= 30° H= 9 m

Given data : γ= 2 t/m3Angle of internal fricition (ϕ)=30∘H=9 m

Answered: Active earth pressure per meter length…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter13: Lateral Earth Pressure: At-rest, Rankine, And Coulomb

Section: Chapter Questions

Problem 13.4P

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PLEASE ANSWER ASAP A frictionless vertical retaining wall has a height of 4 meters and retains a horizontal surcharge of 11 kPa. The unit weight of the backfill is 15 kN/m3 with cohesion of 8 kN/m2 and an angle of friction of 260. Compute the active force (in kN) after the tensile crack.
32 A frictionless vertical retaining wall has a height of 4 m. and retains a horizontal surcharge of 9 kPa. Unit weight of the backfill is 16 kN/m3 with a cohesion of 13 kPa. Angle of friciton is 31°. Compute the depth of tensile crack (meters). Round off to three decimal places.
A 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 diagram
A 7.5m high frictionless retaining wall supports a soil with cohesion, c'=12 kPa, friction angle=23 degrees, Gs= 2.65, void ratio 0.89, and most unit weight of 15.2 k/Nm? Clogging of weepholes occur such that the water table rises 1.5m above the base of the wall. Neglect any surcharge. Determine the magnitude and location of the native force acting towards the wall.
A 4m high vertical wall supports, a saturated cohesive soil (du= 0) with horizontal surface. The top 2.5 m of the backfill has bulk density 17.6 kN/m³ and apparent cohesion of 15 kN/m². The bulk density and apparent cohesion of the bottom 1.5 m is 19.2 kN/m² and 20 kN/m² respectively. If tension cracks develop, what would be the total active pressure on the wall?Also draw the pressure distribution diagram.
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.
For a smooth vertical wall supporting a granular backfill with ϕ' = 34°, determine Ka using Eq. (16.22) for α = 0, 5, 10, 15, and 20 degrees

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Active earth pressure per meter length on the retaining wall with a smooth vertical back as shown in the figure will be SAND 3 y 2t/m 0 = 30° H=9 m