DOME OPENING AND SHUTTING GYMNASIUM OR CULTURE ART PUBLIC PERFORMANCE MARKET

摘要

A steel-roofed stadium is provided to secure the air-tightness according to the bond of a domeplate by forming a concavo part and a convex part on the upper surface of the domeplate. A steel-roofed stadium comprises an outer frame(3), a support plate(1) and a domeplate(2). The outer frame is formed in the front or rear side of a gymnasium(A) or a cultural art performance place. The outer frame is made by bending an H-beam ach. The support plates are located at the both inner side of the outer frame. The H-beam is formed at the outer side of the support plate. The domeplate is combined in the outer side of the support plate. A wheel is formed at the inner side of the domeplate. The domeplate moves to the upper side along the support plate. The wheel is transferred along an H-beam web of the support plate.