From the principles of momentum, a calculation equation has been derived for the sunken boat load on underwater sunk tube tunnel or shield driving tunnel.

• 从动量原理出发导出水底沉管隧道和盾构隧道的沉船荷载计算公式;以某河口附近可能沉船情况为例,计算沉管和盾构隧道的沉船荷载。