NA-21 Utility Tunnelling: Pipe Jacking - Part 2

Today, the installation of gas, water and wastewater pipelines is still predominantly carried out using open trenches. In view of the numerous disadvantages associated with this method, it is imperative that trenchless pipeline construction be considered much more strongly in the future than it has been to date, as an alternative in the planning and construction of sewers and pipelines.

This module deals in detail with the numerous different types of shield machines, obstacle removal and possible errors in pipe jacking and their consequences.

After completing this module, you will have a sound knowledge of:

• limitations of the use of shield machines and
• errors and consequences of damage during pipe jacking.