An Investigation of Effects and Safety of Pipelines due to Twin Tunneling

Table 1

Summary of pipeline dimension parameters.

Pipeline dimension	Pipe 1	Pipe 2	Pipe 3	Pipe 4	Pipe 5
Diameter, D (m)	0.27	0.61	1.02	1.51	2.01
Wall thickness, T (mm)	6	10	26	52	95