抄録
Design large roof by two curved strut of competition adopted, with respect to maintenance cost savings of endurance deterioration of construction costs and building of a length of about 300m, construction and different carbon fiber and glass fiber reinforced by a conventional high-tensile steel FRP as a result of carried out the manufacturing of construction work carried out design, construction costs further in the large roof is 10 billion yen, which was said to be about 150 billion yen in the existing method, maintenance it becomes free for 40 years, and the construction period is 2 years report so that it is possible to complete it was found.