Question

# SOL MECHANCS... For the RC retaining wall given in the figure below...

SOİL MECHANİCS...

For the RC retaining wall given in the figure below

a) Calculate the required extent of the base slab forward the back of the wall such that a factor of safety of 2.0 against overturning is met.

b) Subsequently check if the required minimum factor of safety of 1.5 is met against base sliding. If not, design a base key. Calculate the passive pressure starting from the bottom level of the base slab. Also use 2/3 of the shear strength parameters of the base soil in calculations and apply a FS 2.0 for the passive resistance.

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For the RC retaining wall given in the figure below a) Calculate the required extent of the base slab forward the back of the wall such that a factor of safety of 2.0 against overturning is met. b) Subsequently check if the required minimum factor of safety of 1.5 is met against base sliding. Ifnot, design a base key. Calculate the passive pressure starting from the bottom level of the base slab. Also use 2H3 of the shear strength parameters of the base soil in calculations and apply a FS 2.0 for the passive resistance. ¢=25° 3 "3:1 7 kN/m 10 ' Base soil (silt clay) 3 c=65 kPa, ¢=35', 7:20 kNJ'm

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