Approach viaducts to the Martigues bridge - France
DOI:
https://doi.org/10.3989/ic.1972.v25.i245.3188Abstract
This article describes the approaches to a large metal bridge 300 m in length. These approaches consist of two viaducts whose decks are continuous beams of prestressed concrete 260 and 315 m long; spans in both viaducts are 45 m long. The cross section is a slab with two 3 m deep ribs; there are no stiffeners, neither between the spans nor over the supports. The two structures have been constructed with spans of 45 m over a self-supporting formwork which has proven very efficient.
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