Realisations
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Reinforcement of retaining wall
[Public works]
Reinforcement of retaining wall (Albania)
150 000 m2
Creation of a retaining wall solution with NOTEX C geosynthetic reinforcement.
Reinforced backfill
[Public works]
Landslide of the RD959 (L'Honor De Cos - France)
6 000m²
Following the landslide of the RD 959 at HONOR DE COS (France) in 2020, a quick solution had to be found for the rehabilitation of the road: an embankment reconstituted in Untreated Gravel (GNT) and reinforced by geosynthetic.
Pre-consolidation platform for the creation of a road
[Public works]
RD22 - La Chapelle d’Armentières (59)
15 000 m2
During the construction of the RD22 road, soil was identified as compressible. To consolidate the ground, a solution combining vertical drains at a depth of 22 m with the SOMTUBE FTF draining geocomposite was selected.
Waterproofing of motorway ponds
[Hydraulic structures]
A63 stormwater ponds - Saint-Geours-de-Maremne (40)
67 000 m2
To ensure the sustainability and waterproofing of the A63 stormwater ponds, a DRAINTUBE® FT solution was implemented. It drains rising groundwater while guaranteeing the waterproofing of the ponds.
Drainage under and within the body of the dike
[Hydraulic structures]
Development of controlled flooding field structures - Renty (62)
7 800 m2 (under dike)
As a result of frequent floods, flood storage areas were developed to receive flood waters. SOMTUBE® FTF and DRAINATEX® were used to guarantee the sustainability of the dikes as well as water drainage.
Seawall construction and reinforcement
[Public works]
LA COUARDE SUR MER seawall - Ile de Ré (17)
1 500 m2
The construction of a protective seawall poses numerous internal stability issues. The NOTEX® GX solution helps address these issues by guaranteeing the stability of the seawall.
Drainage and protection under waterproofing layer
[Public works]
A22 motorway central reservation - Roncq - Tourcoing (59)
43 000 m2
The waterproof area of the A22 motorway’s central reservation is affected by gas leaks. The DRAINTUBE® FT drainage system was installed to drain gases and guarantee the integrity of the geomembrane.
Drainage in road structure
[Public works]
RN6 - Zinguichor - Tanaff (Senegal)
188 000 m2
The rehabilitation of the RN6 national road, linking Zinguichor to Tanaff (116 km), is affected by rising groundwater from the Casamance river. The SOMTUBE® FTF geocomposite solution was implemented to effectively drain water from the soil.
Road drainage trench earthwork and waterproof culverts
[Public works]
A150 motorway - Rouen (76)
18 000 ml
As part of the A150 project in Rouen, the DRAINCOTEX® solution was used for road drainage trench earthwork, combined with STABILINER® ALVEO to create a water barrier, retain earth and revegetate culverts.
ONE GROUP, 7 ENTITIES
