Activity grandstand tension membrane works

Quick answer：

The 'activity grandstand tension membrane works' refers to architectural structures or installations that utilize tensioned membranes as a primary design element for grandstands. These membranes are typically made of flexible materials such as ETFE (Ethylene Tetrafluoroethylene) or PTFE (Polytetrafluoroethylene), which are stretched over a frame to create a durable, lightweight, and visually striking structure. They are often used in sports facilities, concert halls, or other large-scale public venues for their aesthetic appeal and functional benefits, such as acoustics and weather resistance.