It is helpful to the design and construction of the twin-tube tunnel in China.
结论对连拱隧道设计和施工具有科学指导意义。
2
It can be configured in both twin-tube and mono-tube body styles, depending on available space.
它可以根据可用空间采用双管和单管配置。
3
High pressure jet grouting with new twin-tube method was employed in the construction of a new drydock and the mucky soft soils in the site were successfully treated to prevent water seepage.