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Viaduc du Lez

General Information

Completion: 2017
Status: completed

Project Type

Structure: main bridge:
Tied-arch bridge with inclined hangers
approach viaduct:
Quadruple T-section girder bridge
southern approach viaduct:
Twin girder bridge
Haunched girder bridge
Function / usage: High-speed rail bridge
Construction method: main bridge:
Longitudinal launching
approach viaduct:
Precast girders with cast-in-situ slab
southern approach viaduct:
Longitudinal launching
Material: approach viaduct:
Reinforced concrete bridge
southern approach viaduct:
Steel-reinforced concrete composite bridge

Location

Location: , , ,
Crosses:
  • Lez River
Part of:
Coordinates: 43° 35' 16.82" N    3° 54' 26.59" E

Technical Information

Dimensions

total length 576.4 m
bridge surface 7 800 m²
number of tracks 2
abutments number 2
piers number 15
piles diameter 1.2 m
length 25 - 30 m
number 194
precast elements (RC) number 44
approach viaduct PC12-PC15
span lengths 28.5 m - 31.4 m - 21 m
approach viaduct PC4-PC6
span lengths 2 x 28 m
approach viaduct PC6-PC9
span lengths 3 x 28 m
approach viaduct PC9-PC12
span lengths 3 x 28.5 m
main bridge PC15-C16
rise 17.5 m
span 90 m
southern approach viaduct C0-PC4
total length 180 m
span lengths 39 m - 2 x 51 m - 39 m
on-center distance between girders 7.87 m
girder depth 2.65 - 3.50 m

Quantities

concrete volume 15 000 m³
reinforcing steel 2 600 t
main bridge PC15-C16
structural steel 1 600 t
southern approach viaduct C0-PC4
structural steel 800 t

Design Loads

design speed 350 km/h

Materials

piers reinforced concrete
arches steel
abutments reinforced concrete

Participants

Conceding authority
Concessionaire
Special foundations
Reinforcing steel

Relevant Web Sites

There currently are no relevant websites listed.

Relevant Publications

  • Abi Nader, Imad / Berthe, Nicolas / Regallet, Dominique / Saunier, Benoît / Villain, Grégory (2015): Le viaduc du Lez et de la Lironde. In: Travaux, n. 912 (January 2015), pp. 120-125.
  • About this
    data sheet
  • Structure-ID
    20072648
  • Date created
    01/03/2017
  • Last Update
    03/09/2017