مدیریت بحران

http://www.irandoc.ac.ir/onto/irandoc-meta/Concept

It is applied to a variety of structures employed in river, dock, and maritime works which are generally carried out in pairs from river banks, or in continuation of river channels at their outlets into deep water; or out into docks, and outside their entrances; or for forming basins along the sea-coast for ports in tideless seas.