PROBLEM TO BE SOLVED: To effectively use an internal space by securing the center space of a structure.;SOLUTION: This three-dimensional suspended beam structure includes a plurality of beam members 11, 11... radially extending from the center axis O of the structure, a plurality of first strings 12 which are disposed under the beam members 11 in the same direction as the beam members 11 while directing the longitudinal direction thereof in the radial direction, the outer peripheral ends 12a of which are connected to the first intersections P1 of the beam members 11 and column members, and the inner peripheral ends 12b of which are positioned between the center axis O of the structure and the first intersections P1 when viewed from above, second strings 13 which connect the inner peripheral ends 12b of the first strings 12, and binding members 14 for connecting the any positions (third intersections P3) of the beam members 11 between the center axis O of the structure 1 and the beam ends 11a to the second intersections P2 of the inner peripheral ends 12b of the first strings 12 and the second strings 13. The first strings 12 and the second strings 13 are tensed.;COPYRIGHT: (C)2011,JPO&INPIT
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