Treatment and Effect of Loess Metro Tunnel under Surrounding Pressure and Water Immersion Environment

Table 3

Summary of affected water supply and drainage pipelines.

Name	Pipe diameter	Burying depth (m)	Texture of material	Influence situation
Rain pipe	DN1000	5.1	Brick construction	Truncation
Rain pipe	DN1500	5.6	Concrete	Truncation
Rain pipe	DN300	0.5	Concrete	Truncation
Tap water pipe	DN400	1.7	Ductile iron pipe	Have been relocated
Sewage pipe	DN500	3.5	Concrete	Temporary plugging
Tap water pipe	DN1000	1.5	Concrete	Adding plug