| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a dome-like structure, of which a bottom part with no triangular structure installed is reinforced so that strength and rigidity of the part can be increased.SOLUTION: A hierarchical structure is an assembly of layered structure parts S, each of which is composed of; triangular structure bodies 40 which touch the upper layer with apexes of the triangles alone (upright triangular structure bodies 42), and triangular structure bodies 40 which touch the upper layer with sides of the triangles (inverted triangular structure bodies 41), being placed alternately side by side along the circumference. The hierarchical structure has an opening part 120 in the lowest layered structure part S, where at least one of the upright triangular structure bodies 42 and at lease one of the adjacent inverted triangular structure bodies 41 are removed. At least one of the connectors 71 on top of the aforesaid upright triangular structure body 42 of the opening part 120 is fitted with a support pillar member 160 in the vertically downward direction.</p> |
