Investigation of piles behavior under lateral cyclic load

Chunhui Liu, Liang Tang, Xianzhang Ling

Abstract


In this paper, the capability of 3D nonlinear finite
element models is validated by single pile and 5x3
pile group filed experiments that is subjected to
cyclic lateral loading. Then, a series 3D finite
elements models are built to analyze the effect of
the number of cycles of lateral loading, pile
spacing, and pile group arrangement. The results
have shown that the number of cycles affected the
pile-soil system stiffness seriously, and the pile
group effect became insignificant as the increase of
pile spacing, while this effect became more
significant with the increase of the pile group
arrangement. In practical engineering, the pile
spacing and pile group arrangement should be
considered and chosen carefully.


Keywords


piles; 3D finite element analysis; cyclic lateral load; numerical models

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ISSN 1330-9587 (Print), ISSN 1849-0433 (Online)

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