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Narcea Viaduct, Asturias, Spain

Heavy loads at great height
This viaduct is the main infrastructure of the Espina A-63 motorway in Asturias.

Description

This viaduct is the main infrastructure of the Espina A-63 motorway in Asturias. Its 900 m length and 160 m spans between piers makes it the bridge with most successive cantilevers of Spain.

ULMA solution

The piers of up to 70 m high were built in tiers with CR-250 Climbing Brackets and ENKOFORM V-100 vertical formwork.

The pier head or pier segment was built with ENKOFORM HMK formwork on G Heavy Duty Brackets. Some 9 m high side walls were poured in two stages.

BRIO Stair provided access.