In the recent years, in order to diminish the wave reflection and the wave force, many countries have conducted researches to study new type of breakwaters instead of the solid conventional structure.

• 随着港口和海岸防护技术的发展，传统的直立式防波堤已不能满足工程实际的需要，近年来各国竞相研究各种新型的防波堤结构，以减小波浪反射和结构受力，并降低工程造价。