Abstract
It is necessary to conduct two-dimensional nonlinear earthquake response analysis many times in order to evaluate probabilistic characteristic of residual deformations of a quay wall. We aim at proposing a simple estimation method of effects of variation in earthquake ground motion on residual deformation of quay walls. Variations in input strong motions are considered as variations in site amplification factors and those in site phase characteristics. As the result, the distribution of residual deformation of a quay wall by 136 earthquake ground motions is simply estimated with residual deformations by 3 earthquake ground motions.