Detalhes do Projeto
ALGER MOTORWAY
CONSTRUCTION OF THE SECOND SECTION BETWEEN BOUDOUAOU AND ZERALDA
Owner: AGA – Algérienne de Gestion des Autoroutes
Site: Boudouaou / Zeralda Sul – Alger – Algeria
Conclusion year: 2014
Construction of 65 km road with highway profile, with 16 road knots and 63 viaducts.
Earthworks (26% excavation and 74% of borrowed landfill);
Headers and hydraulic passages with average diameters of 1200 to 2000mm;
White and black paving (crusher run and bituminous);
Horizontal, vertical traffic and information signalling;
Acoustic screens and retention basins.
Viaducts
- RC viaducts with prefabricated and pre-stressed beams;
- Mixed structure viaducts (metal and RC structure);
- Reinforced concrete and reinforced earth retaining walls;
- Single span upper and lower passages;
Earthworks
- Topsoil regulation 2 010 000 m2
- Excavations (soils of any nature) 3 981 000 m3
- Landfill with borrowed material 11 300 000 m3
Drainages
- Excavation in ditch 36 700 m3
- Channels and scapes 113 910 m
- RC piping – DN 300 to 2000mm 15 300 m
- 1200mm hydraulic passages 180 un
Paving
- Granular material base layer 1 430 200 m3
- Bituminous layer – binder 776 300 ton
- Bituminous layer – wear 305 800 ton
Road signalling
- Horizontal markers 521 751 m
- Safety railing 267 780 m
- Vertical signalling 1 347 un
Viaducts
- Ø 1200mm Piles 24 000 m
- Structural concrete 117 130 m3
- Steel in reinforced concrete 16 920 ton
- Pre-stressed steel 724 ton
- Steel in metal structures 6 260 ton
- Bearings 1 139 un
