A steel pipe pile of 61 cm outside diameter with 2.5 cm wall thickness is driven into saturated cohesive soil to a depth of 20 m. The undrained cohesive strength of the soil is 85 kPa. a) Calculate the ultimate lateral resistance of the pile using Broms' method with the load applied at the ground level. b) If the pile is restrained against rotation, calculate the ultimate lateral resistance.

 

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Ultimate lateral resistance, P/cd 100 60 40 20 10 Papag Restrained 3 4 6 d 10 eld=0 1.0 16 20 40 100 Ultimate resistance moment, M.Jcd³ P=Free head TT d 200 400 600 Fig. (1): Ultimate lateral resistance of a long pile in cohesive soil related to embedded length (after Broms (1964a)) Ultimate lateral resistance, P/cd 100 60 40 20 10 Papag Restrained 3 4 6 d 10 eld=0 1.0 16 20 40 100 Ultimate resistance moment, M.Jcd³ P=Free head TT d 200 400 600 Fig. (1): Ultimate lateral resistance of a long pile in cohesive soil related to embedded length (after Broms (1964a))

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Given data determine fy Z Ultimate where z a ultimate Ultimate Lateral Resistance cu do do b ... View the full answer