With the large-scale development of ocean engineering, it becomes common to encounter the existing submarine pipelines in pile driving area. In this paper, based on a pier berth reconstruction project, three-dimensional (3D) numerical models taking into account the pore water effect are presented to investigate the influence of large-diameter pipe pile driving on adjacent submarine pipelines. Extensive numerical studies are conducted to investigate the effect of the minimum plane distance of pile-pipe on the relative displacement of pipe-soil and the excess pore water pressure of surrounding soil around the pipe at different pile driving depths.
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