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Journal of Japan Association for Earthquake Engineering
Grouped-drilled shaft foundations are one of the most common foundation types in highway bridge foundations, and it is expected to develop a nonlinear numerical model to predict their deformation capacities during earthquakes. In this paper, numerical simulations of model single and grouped drilled-shafts are conducted using a fiber model that considers the effects of material nonlinearity including lateral confinement from surrounding soil to pile concrete and reinforcement swelling. Numericaldoi:10.5610/jaee.6.4_38 fatcat:73nd4vd24vhldhqph7vqezjwfe