Jose Antonio Lozano-Galant, Lidia Ruiz-Ripoll, Ignacio Payá-Zaforteza, José Turmo - Modifications of the stress-state of cable-stayed bridges due to staggered construction of their superstructure (Vol IX, No 4)

Vilnius Gediminas Technical UniversityRiga Technical UniversityTallinn University of TechnologyBaltic Road Association

 

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2015 Impact Factor: 0.519 ©2015 Thomson Reuters, 2015 Journal Citation Report®

ISSN 1822-427X print
ISSN 1822-4288 online
 

 

 
 

"The Baltic Journal of Road and Bridge Engineering"
Vilnius: Technika, 2014, Vol IX, No 4, p. 241-250


Jose Antonio Lozano-Galant, Lidia Ruiz-Ripoll, Ignacio Payá-Zaforteza, José Turmo
Modifications of the stress-state of cable-stayed bridges due to staggered construction of their superstructure
DOI: 10.3846/bjrbe.2014.30
 
In current practice, the effects of the evolutionary erection of cable-stayed bridge superstructure are rarely included into the simulation of its tensioning process. In fact, stay forces in service are usually defined in early stages of design, when the construction process has not even been conceived in detail yet. In order to fill this gap, the effects of the evolutionary erection of cable-stayed bridge superstructure throughout the tensioning process are studied in this paper. This study is focused on steel cable-stayed bridges erected on temporary supports. For the very first time a new criterion to include the effects of the evolutionary erection of cable-stayed bridges into the definition of the stay forces in the service state is presented.
 
Keywords: cable-stayed bridge, erection, stay force, simulation, construction process, tensioning process.

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