Abstract

This paper deals with nonlinear behavior of pile-supported bridge during earthquake motions. The formulation takes the FEM-BEM (finite element method-boundary element method) for the near structure zone while the BEM for the far field zone. The analyses addressed to the parameter studies of component influence on the behavior of the total superstructure-pile-soil system for the total rational design practice. The results are interpreted with regards to: (1) inelastic behavior of superstructure or/and substructure; (2) different superstructure properties and vertical excitation conditions; and (3) soil layering effect on pile response with emphasis on kinematic and inertial interactions.

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