The prestressed cable-latticed frame-truss arch roof structure is designed for Yangtze River trunk Stream Model Hall, this space structure is still the precedent at the moment at home.

• 摘要长江防洪模型长江干流大厅采用预应力拉索+网架+钢管拱的屋盖结构体系，这种空间结构形式目前在国内还是先例。