An open piled quay is generally composed of a jetty-type beam-slab structure supported on piles and wave panel installed either on one side or on both sides of the structure,advantageously characterized by wave protection,current transmitting,prevention of siltation and low cost.

The necessity of building permeable breakwater on piled foundation in Hai′an New Port from such aspects as satisfying port operation requirement, external condition fit for project implementation, and feasibility of construction scheme is analyzed.