悬浮隧道是在水中穿越江河湖海的新型构筑物，具有隧道和海洋结构的双重特性。介绍了悬浮隧道的概念和特点、研究历史及在动力分析方面的研究概况。

Submerged floating tunnel (SFT) is a kind of innovative structure used to cross great rivers, large lakes, bays and straits. Submerged floating tunnels possess the duofeatures of tunnels and offshore structures. In this paper, the concept and properties of submerged floating tunnels, the stateoftheart of studies on submerged floating tunnels, especially the dynamic analysis on the interaction between the submerged floating tunnel structures and the surrounding aqueous environment are set forth in brief.