NA-21 - Utility Tunnelling: Micro Tunnelling - Part 1

Micro tunnelling refers to unmanned, remote-controlled methods for jacking pipes. This module covers the various methods, in particular, micro tunnelling with hydraulic, pneumatic, auger and scraper conveyance and soil displacement. The focus is on single- and two-phase micro tunnelling, the technical components in micro tunnelling and areas of application. After completion of this module, you will have a sound knowledge of: - spectrum of process technologies; - machine and control components and - their functions; - advantages and disadvantages as well as - areas of application.