| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof structure, for sufficiently securing strength, even if a beam member is not thickened, and smoothly releasing wind even to blowing-in of a side wind. SOLUTION: This roof structure has the beam member composed of a downward recessed first curved part and an upward recessed second curved part continuing with one end in the length direction of this first curvcved part, and a girder member installed between the beam members. A roof material composed of a light shielding net, is laid on a roof surface composed of these beam member and girder member. One end part in the length direction of the beam member is connected to an upper end part of a column erected on an installation surface. COPYRIGHT: (C)2005,JPO&NCIPI
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