| 摘要 |
PCT No. PCT/JP85/00732 Sec. 371 Date Jun. 25, 1986 Sec. 102(e) Date Jun. 25, 1986 PCT Filed Dec. 28, 1985 PCT Pub. No. WO86/06123 PCT Pub. Date Oct. 23, 1986.A dome-shaped roof structure for a large construction such as an athletic stadium is capable of being partly opening according to the environmental conditions such as the weather. The dome-shaped roof structure includes a dome-shaped stationary roof section having a central opening and fixedly secured at an outer periphery thereof to the external wall of the construction, and a plurality of movable roof units each having a shape to cover one of a plurality of divisions of the central opening and pivotably secured at one end thereof to a support located near the circumference of the central opening so as to be turned between a first position where the central opening is closed and a second position where the same is opened. |
