A new design scheme has recently been introduced to a sheet pile cellular cofferdam, which takes the effect of the embedded part of a sheet pile on the structural stability into account. On the basis of the modification of the design way, the sutomatic design system for this type of structure has been established. Port engineers are able to conduct basic design of a breakwater and a seawall made of the sheet pile celluar cofferdam.

Parametric studies have been conducted using this automatic design system. It has been confirmed based on the study that this system provides the reasonable structural sections, embedded length, and so on. Some particular characteristics of this type of structures have also been provided in this present report.

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