15-H high frictiopless relaining wallVer'tical back and inclined backfillGiven:ラ→d = 10°, グ- 1101643, φ。 25: and C'- 8816/f42%3DDelermine the Rankine activeTength of the wall after the occurrence of the tensileCrack.Neglect tension stresses and assume awater- filled crack developsforce into horizontal and vertical componentsFind:Pa,->force,per unit->; also resolue the resultant

The coefficient of active earth pressure is Ka = cos α×cos α-cos2α-cos2ϕcos α+cos2α-cos2ϕ Where ϕ…

Answered: Rankine active for

Engineering

Civil Engineering

Rankine active for

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter14: Lateral Earth Pressure

Section: Chapter Questions

Problem 14.12P

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The cantilever wall proven in under determine has the following properties: uniform mass,m=zero.seventy seven kN.s ^ 2 / (m ^ 2) uniform inertia,EI=0.4 * 10 ^ 6 * kN.m^ 2 In addition, the wall is sporting concentrated hundreds on the pinnacle and at midheight as shown within the same parent. The deflected shape of this structure is given as w(x) = 1 - cos(pi*x / 2 * H) The structure is worked up by El-Centro earthquake with zeta=five%. it's far required to investigate this wall below situations;( A) If the wall does not bring any concentrated loads. (B) The wall contains each concentrated hundreds M_{1} and M_{2} as shown within the equal figure.For each cases (A) and (B), determine:(1) The most pinnacle displacement, base second, and base shear. (2) The maximum displacement, moment, and shear at midheight.
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Kindly give me both right solutions with clear calculations. Note: Both questions are subbarts please answer all A smooth vertical wall, 4 m high, retains a mass of dry loose sand. The sand has a 30° angle of internal friction and unit weight of 14.8 kN/m³. Compute the total lateral force per meter acting against the wall if the wall is prevented from yielding. A) 39.47 KN B) 59.2 KN C) 75.1 kN D) 141.1 KN Estimate the lateral force per meter run of the wall if sufficient yield of the wall is permitted so as to develop the active Rankine state. A) 39.47 KN B) 59.2 KN C) 75.1 KN D) 141.1 KN
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.
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