新型水工建筑物沉管式水下通道

Immersed Tube Tunnel——A New Type of Hydraulic Structure

本文介绍了一种新型的水工建筑物——沉管式水下通道。它包括圆形钢制管道或矩形钢筋混凝土管道两种型式。沉管式水下通道可用于通行汽车、火车,还可用于输送如水、天然气、石油,或敷设电缆等。笔者对沉管通道的主要施工工序和其在我国水利水电工程中的应用情况做了叙述。

A new hydraulic structure——Immersed tube tunnel, including two main types namely the steel circular shell and the rectangular reinforced concrete tube are introducted. Immersed tube tunnel can be used as road or rail tunnel and for water, gas, oil transportation or as eleetric cable way ete. The main constraction procedures and possible application in the water resources and hydropower engineering field are also diacussed.