The technology of steel tube hoisting and installation with long span over 100 m and that of floating construction are seldom comparatively in Qiantang Tidal Bore Zone.

• 100 m以上大跨度钢结构整体吊装和浮沉施工在钱塘江强涌潮区中较为少见；介绍了多台吊机组合吊装大跨度钢结构的方法和在钱塘江强涌潮区水上浮运和沉放钢管的施工技术.