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Structural Engineering and Mechanics
  Volume 33, Number 4, November10 2009 , pages 529-537
DOI: https://doi.org/10.12989/sem.2009.33.4.529
 


Performance functions for laterally loaded single concrete piles in homogeneous clays
Gokhan Imancli, M. Rifat Kahyaoglu, Gurkan Ozden and Arif S. Kayalar

 
Abstract
    A key parameter in the design of a laterally loaded pile is the determination of its performance level. Performance level of a pile is usually expressed as the maximum head deflection and bending moment. In general, uncertainties in the performance of a pile originates from many factors such as inherent variability of soil properties, inadequate soil exploration programs, errors taking place in the determination of soil parameters, limited calculation models as well as uncertainties in loads. This makes it difficult for practicing engineers to decide for the reliability of laterally loaded piles both in cohesive and cohesionless soils. In this paper, limit state functions and consequent performance functions are obtained for single concrete piles to predict the maximum bending moment, a widely accepted design criterion along with the permissible pile head displacement. Analyses were made utilizing three dimensional finite element method and soil-structure-interaction (SSI) effects were accounted for.
 
Key Words
    laterally loaded pile; clay; maximum bending moment; pile head displacement; response surface method; performance function; soil-structure-interaction.
 
Address
Gokhan Imancli, M. Rifat Kahyaoglu, Gurkan Ozden and Arif S. Kayalar: Dokuz Eylul University, Department of Civil Engineering, Kaynaklar Yerleskesi, Buca-Izmir 35160, Turkey
 

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