| 摘要 |
PROBLEM TO BE SOLVED: To provide a dome-like structure which can have many kinds of main columns constituted with a small number of components and is reducible in manufacturing cost.SOLUTION: A main column 700 is provided by combining a column leg part 720 which is fixed in the center of a base 30, a center colum member 710 which has a column body part 730 having an upper end stood in a column shape from the column leg part 720 up to the height of a border between a lowest-layer structure part 15a and a next-layer structure part 14a, and a column head member 740 which is formed in a different body from the center column member 710 and arranged at the upper end of the center column member 710. The column head member 740 is provided with a beam fixation part (fin 745) where one-end sides of a plurality of floor beams 820 are fixed according to an arrangement of the floor beams 820, and a support member 810 is provided which is fixed to a part of a beam frame member 52 according to the arrangement of the plurality of floor beams 820. Other-end sides of the floor beams 820 are fixed to the support member 810, and a floor of the next-layer structure part 14a is provided on the floor beams 820. |
