| 摘要 |
PROBLEM TO BE SOLVED: To provide a block which prevents levee raising or inundation of a building. SOLUTION: On the corrugated sheet block, large and small protrusions different in size are provided in parallel. The protrusions of the corrugated sheet block are set sequentially higher from its end. In an inundation prevention method, the lower protrusions of the corrugated sheet block are arranged toward the flooding side, so that the inundation of the building can be prevented from being caused by the levee raising or flooding. The corrugated sheet block, the weight of which is increased by filling a recess of the corrugated sheet block with soil, can be usually used as a flowerbed. COPYRIGHT: (C)2011,JPO&INPIT
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