In This Chapter

Tunnelling Operations

Authored by: S. Ponnuswamy , D. Johnson Victor

Transportation Tunnels

Print publication date:  May  2016
Online publication date:  June  2016

Print ISBN: 9781138029811
eBook ISBN: 9781498785488
Adobe ISBN:


 Download Chapter



Tunnelling operations, apart from fixing the alignment and lining (which are the preliminary and final aspects of construction of a tunnel) comprise the under mentioned intermediate operations:

(a) Excavation, picking or blasting, the first being applicable to soft soils, the second for medium soils and very soft rocks and the last applicable to medium and hard rocks.

(b) Fixing temporary supports, as necessary.

(c) Removal of blasted/excavated material (mucking).

(d) Dressing, fixing permanent supports, followed by

(e) Final operation of lining, wherever necessary.

Search for more...
Back to top

Use of cookies on this website

We are using cookies to provide statistics that help us give you the best experience of our site. You can find out more in our Privacy Policy. By continuing to use the site you are agreeing to our use of cookies.