| 摘要 |
PROBLEM TO BE SOLVED: To provide a Tsunami evacuation tower for keeping safety at damaged time, by making column damage hard to be caused. ! SOLUTION: A Tsunami evacuation tower 1 comprises a plurality of columns 3 erected by a foundation, an evacuation deck 2 provided in a predetermined height and stairs 5, in which the evacuation deck 2 is a truss structure that the columns 3 are arranged in a corner part position and a long side predetermined position to a rectangular floor surface composed of the long side and the short side, the mutual columns 3 are connected in a peripheral shape by an upper frame 21 and a lower frame 22, the long edge side upper frame 21 and lower frame 22 become an upper chord material 21A and a lower chord material 22A, the upper chord material 21A and the lower chord material 22A are connected by a plurality of diagonal members 23, mutual both long edge side upper chord materials 21A are connected by upper beam materials 21B and 35 in a nodal point position of the diagonal member |
