group of 30 HP 10 x 57 piles are arranged in a 5 x 6 grid at 27 in on center. The soil is a clay with unit side friction resistance fS = 2000 lb/ft2 and a unit toe bearing resistance qn’ = 15000 lb/ft2. See table 21.1 for the steel H-pile cross-sectional data of the standard H profiles in the Coduto book or elsewhere. Assume that H-piles are plugged. a) Determine the pile length which separates individual and block failure of pile group. b) Determine the nominal capacity of the pile group Png at this critical length.
group of 30 HP 10 x 57 piles are arranged in a 5 x 6 grid at 27 in on center. The soil is a clay with unit side friction resistance fS = 2000 lb/ft2 and a unit toe bearing resistance qn’ = 15000 lb/ft2. See table 21.1 for the steel H-pile cross-sectional data of the standard H profiles in the Coduto book or elsewhere. Assume that H-piles are plugged. a) Determine the pile length which separates individual and block failure of pile group. b) Determine the nominal capacity of the pile group Png at this critical length.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A group of 30 HP 10 x 57 piles are arranged in a 5 x 6 grid at 27 in on center. The soil is
a clay with unit side friction resistance fS = 2000 lb/ft2 and a unit toe bearing resistance
qn’ = 15000 lb/ft2. See table 21.1 for the steel H-pile cross-sectional data of the standard
H profiles in the Coduto book or elsewhere. Assume that H-piles are plugged. a)
Determine the pile length which separates individual and block failure of pile group. b)
Determine the nominal capacity of the pile group Png at this critical length.
Transcribed Image Text:A group of 30 HP 10 x 57 piles are arranged in a 5 x 6 grid at 27 in on center. The soil is
a clay with unit side friction resistance fs = 2000 lb/ft2 and a unit toe bearing resistance
= 15000 lb/ft². See table 21.1 for the steel H-pile cross-sectional data of the standard
H profiles in the Coduto book or elsewhere. Assume that H-piles are plugged. a)
Determine the pile length which separates individual and block failure of pile group. b)
Determine the nominal capacity of the pile group Png at this critical length.
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