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 qn² = 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.
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 qn² = 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.
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter14: Sheet-pile Walls
Section: Chapter Questions
Problem 14.4P
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