Behavior of Laterally Loaded Piles in Multilayered Soils

  • Zhang L
  • Zhao M
  • Zou X
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AbstractPiles have been widely used to resist lateral loads in geotechnical engineering. In reality, piles are always embedded in layered soils; however, theoretical solutions for laterally loaded piles in multilayered soil system are limited in the literature. Based on the basic concept of the subgrade reaction theory, semianalytical solutions using the power series method were proposed to assess the behavior of a vertical pile with variable cross sections and embedded in a multilayered soil system to support lateral loads at its head. For the present method, the moduli of the lateral subgrade reaction were assumed to be of constant depth for clay soil and of linearly increasing depth for sandy soil. By considering the deflection and force continuum conditions along the pile length, a matrix form of pile response at any depth was expressed through the deflections and lateral forces at the pile head. The validity of the presented solution was verified by back-predicting behaviors of laterally loaded piles...

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  • Ling Zhang

  • Minghua Zhao

  • Xinjun Zou

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