The pipesection of the immersed tunnel is the large-volume concrete structure, which is complicated in the structure shape.
沉管隧道工程中的管段为大体积混凝土构件,结构形式较为复杂。
2
Clean devices which cannot stand washing and the pipesection which may have dirt and sundries left after washing such as filters or dirt separators.
对不能经受冲洗的设备和冲洗后可能存留脏物、杂物的管道段,如过滤器及除污器等,要进行清理。
3
In the article, the pro-gram of pipeline section removal and new pipesection installation construction in winter and construction process are introduced.