Detalhes do Projeto
DOURO LITORAL ROAD CONCESSION
SEIXO ALVO TUNNEL
Client: DLACE – Douro Litoral, ACE
Location: Seixo Alvo – Vila Nova de Gaia – Portugal
Execution Period: 18 Meses
Execution of a road tunnel as part of the Douro Litoral concession, executed using the methodologies “NATM” and “Drill and Blast”
Length 2×300 m
2 Galleries
Section : 148 m2
Width : 15 m
Open sky excavation: 175.000 m³
Excavation ZG3: 56.400 m³
Excavation ZG2: 17.700 m³
Excavation ZG1: 9.456 m³
Forepoling: 30.000 m
Steel in arches: 376 tons
Rockbolting: 24.000 m
Shotcrete: 51.000 m2
Definitive concrete coating: 10.500 m³
Steel A500: 1.100 tons
