On July 21, the Shaanxi Normal University Smart Education and Digital Education Research Center Project, a fully enclosed smart gas film in the deep foundation pit of the Shaanxi Normal University Smart Education and Digital Education Research Center project, was put into use. The foundation pit gas film is the largest fully enclosed intelligent air film for deep foundation pits in northwest China. The overall length is 113 meters, the width is 96 meters, and the height is 48 meters. The total area of membrane deployment is about 19,000 square meters, completely covering nearly 10,000 square meters of foundation pit support area. The total internal volume after underground excavation is completed is 280,000 cubic meters.

On July 21, the Shaanxi Normal University Smart Education and Digital Education Research Center Project, a fully enclosed smart gas film in the deep foundation pit of the Shaanxi Normal University Smart Education and Digital Education Research Center project, was put into use. The foundation pit gas film is the largest fully enclosed intelligent air film for deep foundation pits in northwest China. The overall length is 113 meters, the width is 96 meters, and the height is 48 meters. The total area of membrane deployment is about 19,000 square meters, completely covering nearly 10,000 square meters of foundation pit support area. The total internal volume after underground excavation is completed is 280,000 cubic meters.