New Lioran Road Tunnel
General Information
| Structural Type: |
Tunnel
|
|---|---|
| Function / usage: |
Road tunnel
|
| Construction method: |
Drilling and blasting
|
| Other name(s): | Nouveau tunnel routier du Lioran |
| Built: | 2003 - 2007 |
| Duration of works: | 22 months |
| Status: | in use |
Geographic Information & Related Structures
| Location: |
Le Lioran, Laveissière, Cantal (15), Auvergne, France, Europe |
|---|---|
| Address: | N122 |
| To replace |
Lioran Road Tunnel (1848)
|
| Coordinates: | 45° 5' 3.00" N 2° 44' 19.00" E |
Technical Information
Dimensions
| height | 4.50 m | |
| total length | 3 470 m | |
| clearance | 4.30 m | |
| tunnel length | 1 515 m | |
| tunnel section area | 100 m2 | |
| roadway / carriageway width | 2 x 3.50 m |
Quantities
| concrete volume | 40 000 m3 | |
| shotcrete | 6 000 m3 | |
| explosives used | 173 t |
Cost
| cost of construction | Euro 78 570 000 |
Chronology
| July 2003 End of 2005 | Breakthrough. |
|---|---|
| End of 10 March 2006 | Expected completion of the concrete cover of the tunnel structure. |
Participants
Owner
Client
- Arrondissement interdépartemental des ouvrages d'art
- Direction Départementale de l'Equipement du Cantal
Civil works
Earthworks
Water proofing
Relevant Web Sites
Relevant Publications
- Tunnel du Lioran (15), in "Prévention BTP", March 2005, n. 72
- Le tunnel du Lioran est percé, in "Le Moniteur des Travaux Publics et du Bâtiment", 24 June 2005, n. 5300
- Le regain d'un métier historique de Sogea Construction (tunnel du Lioran, tunnel du Bois-de-Peu, le TIMA, A86 Ouest), in "Travaux", September 2005, n. 822
Internal Information
| Structure-ID: | s0010107 |
|---|---|
| Created: | 02/09/2003 |
| Last Updated: | 19/04/2013 |