| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluid force reduction structure capable of suppressing the occurrence of a water-level difference on the periphery of a structure to the utmost when a tsunami and a flood surge.SOLUTION: Reduction work 20 for reducing a force, which is received by evacuation facilities 1, by flowing water includes a plurality of columnar bodies 21... that are arranged at intervals in such a manner as to surround the evacuation facilities. The interval between the columnar bodies 21 and 21 is set to be a distance that enables residence of the water flowing into a space between group columns 2A-2D and the evacuation facilities. |
