Expandable stand construction for stadiums consists of rotatably mounted roof frame, rotatably mounted support, and stand section fastened to support at approximately half height

摘要

The expandable stand construction consists of a rotatably mounted roof frame (2), a rotatably mounted support (1), and a stand section fastened to the support at approximately half height. The roof frame, support and stand sections are constructed in steel or concrete. The top joint of the support which forms the connection to the roof frame is made from welded steel plates screwed to the roof frame. The bottom joint of steel enables a rotation.