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The high speed railway line Madrid-Extremadura crosses over the Almonte River at its arrival at Alcantara reservoir through a viaduct that consists of a large arch bridge of high strength concrete with superior deck and 384 m main span. That span will turn the bridge in 2015, when it is scheduled to be completed, into the largest arch bridge for high-speed railway in the world. Because of this uniqueness, a number of specific verifications and analysis are necessary to address its design and construction. Major design decisions are described in this article, including the choice of typology, obtaining of the antifunicular form for the arch, wind analysis and wind tunnel studies, and complex nonlinear time dependent models analysis. [ABSTRACT FROM AUTHOR]

Wine and the railroad are two key elements in the history of the Ribera del Duero in Valladolid. Over the years this area has undergone a series of social, economic and landscape significant changes due to the agrarian crisis of the mid-twentieth century. Yet the wine industry has established itself as the engine of the riverside economy through the production of quality wines and, more recently, the wine tourism which has allowed the development of a stronger economic fabric. Using this potential in wine and the railway line Valladolid-Ariza, a proposal for boosting tourism is suggested which will group all other heritage resources (landscape, cuisine, art and culture) located in the Valladolid section of the Ribera del Duero. [ABSTRACT FROM AUTHOR]