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Title: Enlargement of some existing structures in the northwest section of M-30

Author(s): Domínguez Bautista, R.; de Sobrón Lumbreras, L.; Torroja Cavanillas, J. A.las, J. A.; Olaguíbel Álvarez-Valdés, J. Mª; de Villar Luengo, J. Mª; Rosado Martín, J. R.

Publication: ACHE

Volume: 58

Issue: 243

Appears on pages(s): 41 - 50

Keywords:

DOI:

Date: 1/1/2007

Abstract:
The article presents a structural intervention of special characteristics that has been carried out within the enlargement works that are being developed in the M-30 urban motorway. In the Northwest zone of Madrid the M-30 was constructed at a lower level than the adjacent land running between walls and under three structures of great wide that in surface adopt a roundabout form. It has been necessary to widen these structures. In order to do this, several possibilities have been studied and finally the extension with a singular constructive process has been executed. The process that has been chosen has allowed to move the abutments of the existing structures without demolishing the original decks.


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