Guadalquivir bridge – Spain
DOI:
https://doi.org/10.3989/ic.1978.v31.i302.2563Abstract
The interesting solution used for substituting this bridge is described and is considered unique amongst the many similar jobs carried out by the same authors, who were awarded the project RENFE has offered in this regard. All these jobs had the basic condition that they had to be carried out without interrupting traffic as the existing track was the only line available. This article explains the difficulties which arose and the steps adopted to build-up the cutwaters and abutments, as well as construction of the new planking, which was more resistant, and which was used for a while jointly with the old. The scrapping and load operation was also a delicate job. Finally, we wish to point out that a rust-resistant material, which does not require exterior painting, was used. However, this requires a strict material and welding quality control. The result has been very satisfactory as far as speed, effectiveness and economy are concerned.
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