PROBLEM TO BE SOLVED: To provide a column that allows a screen to avoid excessive load even when the column is deformed.;SOLUTION: An column (2) on which a screen to capture objects swept away by wave force is stretched to make a tsunami barrier (1), comprises a tubular body part (21) erected on the base, and a tubular guide part (22) fixed in the body part (21) that allows the screen to be guided to pass through the body part (21). At least a part of the guide part (22) includes an impact absorbing part.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2018,JPO&INPIT
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