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PCTCAN Access Bridge over the S-20
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DESCRIPCION

Arenas & Asociados was asked by the Managing Society of PCTCAN for projecting and supervising the works of urbanization and construction of the “Science and Technology Park of Cantabria”. In this context, we designed this bridge over the S-20, the highway that directs the traffic flows from the Spanish Plateau to Santander El Sardinero beaches. In this way, the bridge allows the connection of the Park with the North area giving access from that one new area of Santander and materializing the connection with the South avenue to Peñacastillo. The bridge announces therefore the urbanization of PCTCAN and it serves as a “gate” of the Park in the access to Santander from the highway.
The bridge is an asymmetric cable stayed bridge with central plane of stays sustaining the deck and double open plane of backstays anchored in the Abutment-Counterweight. The composite deck section is 21 m wide holding two lanes by way traffic, 3.5 m wide, with its corresponding sidewalks in the outer edges. 

The cross-section deck is embedded in the North abutment by means of a rigid connection to the concrete section which allows the transition to the keel shaped abutment. Finally the steel mast leans forwards to display an inclined geometry in a gesture of progress and dynamism, pointing to the site of the Park. Its transverse section is triangular, being anchored the main stays in the frontal vertex of the mast, while the backstays extends the lateral faces of the mast. The mast has its continuity in the abutment, being aligned with the keel of the abutment.
To sum up it consists in an urban bridge associated to an infrastructure of technological character, reason why we hope that the bridge we have built, collects the conditions of singularity and image that PCTCAN requires.

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Arenas & Asociados - 2012