Submarine construction for tsunami and flooding protection, for tidal energy and energy storage, and for fish farming

摘要

Disclosed is a tsunami barrier for resisting impulse waves. It has a wall with a lower end fixed on the ground underneath the water. The wall has double-fence structure with parallel fences. The space between the fences is filled with rocks or rubble or concrete blocks. The system has a double-pontoon bridge with two parallel pontoons separated by a gap broad enough to let rocks or rubble or concrete blocks be immersed through the gap. Each of the two parallel pontoons contains fence-expending means for temporarily holding the fences and immersing the fences into the sea.