14.973 16

António Ramos


Free Account, Maia

Arrábida Bridge

The bridge of Arrábida was the second bridge between Porto and VNGaia to be built for the road traffic, being one of the six bridges still existing in the city of Porto, being these by order of construction the Bridge of D. Maria Pia, Ponte Luis I, the Arrábida Bridge itself, the Ponte de São João, the Freixo Bridge and the Ponte do Infante.

Around the 1940s, it was observed that traffic on Ponte Luís I, between Porto and VNGaia, was very difficult, mainly due to the demographic expansion of the Oporto district and the municipality of VNGaia. need for an alternative crossing. In March 1952 the J.A.E. (Autonomous Board of Roads) awarded the preparation of the preliminary projects to a Bridgestone Engineer of world renown, Professor Edgar Cardoso. The project was to be approved in 1955.

At the cost of about 240 thousand contos, about 1,200,000 euros, in March 1957 the works began. In its construction, 20,000 tons of cement, 58,700 m3 of reinforced concrete, 2,250 tons of steel in the men and 2,200 tons of rolled steel were spent on the used cramp.
The 22 of June of 1963 is finally inaugurated Bridge of the Arrábida, in the mandate of

Nuno Pinheiro Torres, with four elevators so that the pedestrians could overcome the distance of seventy meters from the river to the board, making the pedestrian crossing much easier. In the towers of the elevators, an integral part of the structure of that work of art, one can observe four ornamental sculptures five meters high, cast in bronze. Two on the Porto side, sculptor Barata Feyo, and symbolizing "The Welcoming Genius of the City of Porto" and "The Genius of the River Fauna and Hydroelectric Power Plant", and two on the Gaia side, by the sculptor Gustavo Bastos, representing "O Master of Water for Man "and" Man in his Possibility of Transposing Watercourses ".

At the time of its construction in 1963, the bridge had the largest reinforced concrete arch of any bridge in the world (believed to have been the first of its kind in the world).

The total length of the platform is 615m, having a width of 27m. Its span of 270m, and 52m of bow, this arch consists of two parallel hollow ribs, 8 m wide, connected to each other by longitudinal and transverse bracing.

The Engineer responsible for his design and construction was Edgar Cardoso.

Commenti 16

Informazioni

Sezione
Visto da 14.973
Pubblicato
Lingua
Licenza

Exif

Fotocamera NIKON D3300
Obiettivo AF-S DX VR Zoom-Nikkor 18-105mm f/3.5-5.6G ED
Diaframma 9
Tempo di esposizione 1/320
Distanza focale 18.0 mm
ISO 200

Preferite pubbliche