The project area of Aisa Beach Games Stadium Membrane structure is 38000 square meters, mainly using PTFE membrane, and it took 108 days to complete. The roof of the stand adopts a spoke-type cable-membrane structure, with an unfolding area of nearly 40,000 square meters. The sides are all hyperbolic shaped egret flying PTFE, with an unfolding area of nearly 30,000 square meters.

The shape of the egret spreading wings looks simple, but in fact the structure is complicated. From assembling to hoisting to the beam, an'egret wing' has to go through the processes of frame assembly, polishing and welding, membrane tensioning and fixing, hoisting bolting, etc., like an art Taste. It can be said that in the membrane structure design we have done before, such a complicated structure is used to complete the shape for the first time, which brings great challenges to the construction.

In actual construction, the stadium facade membrane uses PTFE membrane material, which is made of ultra-fine glass fiber fabric coated with poly tetra fluoro ethylene resin, which feels similar to a thick plastic raincloth. This kind of membrane material has good welding performance, excellent anti-ultraviolet, anti-aging performance and flame-retardant performance. In addition, its anti-fouling and self-cleaning properties are the best among all architectural membranes, and it can also achieve the effect of whitening as it gets more tanned. However, due to poor flexibility, there are some difficulties in the construction process.

Tensioning of the membrane surface is the biggest problem. To ensure that the flatness of the membrane surface is high, the membrane surface must be tightened when it is stretched. In addition to the tension of the membrane, hoisting is also one of the difficulties, requiring ultra-high precision. Due to the material, after the film surface is stretched, there can be no hot work such as welding, so all hot work must be done on the ground. The connection points of the hoisting to the high altitude and the beam are all bolted, which requires all positioning to be accurate, and the error cannot exceed 2mm.

In order to meet this requirement, the steel cable membrane structure team installed the tire frame when the frame was placed, and made positioning bolts according to 1:1 lofting. When hoisting, the bolt holes are directly inserted into the beam. A "white egret wing" has four fixed points in the middle and both ends, and the accuracy of each fixed point is the same.