Externally Prestressed High Strength Concrete Viaduct
Publication: Journal of Bridge Engineering
Volume 5, Issue 4
Abstract
This paper presents an externally prestressed high strength concrete viaduct designed and erected in Spain. This viaduct, a three-span (41 + 50 + 41 m) continuous beam, has been designed and built with a 60-MPa strength concrete and a fully external replaceable prestressing. The paper describes the bridge, the erection procedure, the ultimate analysis performed with a nonlinear finite-element numerical model, and the thermal stresses measured and calculated at the anchorage diaphragms due to the hydration heat of the concrete. The results of the static tests carried out on the bridge also are commented upon.
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References
1.
American Concrete Institute (ACI). ( 1990). “External prestressing in bridges.” SP-120, Detroit.
2.
Comité Euro-International du Béton-Fédération International de la Précontrainte (CEB-FIP). ( 1991). “Model code 1990.” Zurich.
3.
Menn, C. ( 1990). Prestressed concrete bridges, Birkhäuser, Boston.
4.
Ramos, G. ( 1994). “Estudio del Comportamiento en Servicio, Prerotura y Rotura de Puentes de Hormigón con Pretensado Exterior [Study of the Behavior, In Service and at Ultimate, of Externally Prestressed Concrete Bridges].” PhD dissertation, Technical University of Catalunya, Civ. Engrg. School, Barcelona, Spain (in Spanish).
5.
Ramos, G., and Aparicio, A. C. (1996). “Ultimate analysis of monolithic and segmental externally prestressed concrete bridges.”J. Bridge Engrg., ASCE, 1(1), 10–17.
6.
Symposium nacional de hormigón de altas prestaciones. (1998). Fundación Agustín de Bethancourt, Madrid (in Spanish).
Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 5 • Issue 4 • November 2000
Pages: 337 - 343
History
Received: Oct 23, 1998
Published online: Nov 1, 2000
Published in print: Nov 2000
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