General Information
| Other name(s): | Nouveau tunnel routier du Lioran |
|---|---|
| Beginning of works: | 2003 |
| Completion: | 2007 |
| Duration of works: | 22 months |
| Status: | in use |
Project Type
| Structure: |
Tunnel |
|---|---|
| Function / usage: |
Road tunnel |
| Construction method: |
Drilling and blasting |
Location
| Location: |
Le Lioran, Laveissière, Cantal (15), Auvergne-Rhône-Alpes, France |
|---|---|
| Address: | N122 |
| To replace: |
Lioran Road Tunnel (1848)
|
| Coordinates: | 45° 5' 12.83" N 2° 44' 39.81" E |
| Coordinates: | 45° 4' 40.49" N 2° 43' 50.22" 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 2006 | Expected completion of the concrete cover of the tunnel structure. |
| 16 2007 | Opened to traffic |
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
- (2005): Le regain d'un métier historique de Sogea Construction (tunnel du Lioran, tunnel du Bois-de-Peu, le TIMA, A86 Ouest). In: Travaux, n. 822 (September 2005), pp. 96-103.
- (2005): Tunnel du Lioran (15). Forage à l'explosif en site sensible. In: Prévention BTP, n. 72 (March 2005), pp. 16-21.
- (2005): Le tunnel du Lioran est percé. In: Le Moniteur des Travaux Publics et du Bâtiment, n. 5300 (24 June 2005), pp. 45.
- About this
data sheet - Structure-ID
20010107 - Published on:
02/09/2003 - Last updated on:
28/05/2021
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