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problem 1: An excavation project (B = L =20m) has soil profile shown in the figure where. cw/su = 0.5 and γsat = 18 kN/m3.

A) find out the factor of safety (Fp) against push-in failure.

B) find out the factor of safety (Fb) against basal heave failure using the slip circle method.

C) find out the factor of safety (Fb) against basal heave failure using Terzaghi’s method.

D) find out the factor of safety (Fb) against basal heave failure using Bjerrum and Eid’s method.

E) Is it necessary to check sand boiling (Fs). If yes, find out Fs using one dimension seepage method. If not, indicate your reason.

572_excavation project.jpg

problem 2: A 2m×2m shallow foundation is shown as figure below. find out long-term and short-term bearing capacity (qult) using Terzaghi method.

1208_terzaghi method.jpg

γsat = 20 kN/m3
c’ = 5kPa
Φ’ = 25° 
cu = 30 kPa

Civil Engineering, Engineering

  • Category:- Civil Engineering
  • Reference No.:- M91134

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