Jose Antonio Lozano-Galant, Ignacio Payá-Zaforteza, Jose Turmo - Effects in service of the staggered construction of cable-stayed bridges built on temporary supports (Vol X, No 3)

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, 2015, Vol X, No 3, p. 247-254


Jose Antonio Lozano-Galant, Ignacio Payá-Zaforteza, Jose Turmo

Effects in service of the staggered construction of cable-stayed bridges built on temporary supports

DOI: 10.3846/bjrbe.2015.31
 
Cable-stayed bridges can be rarely built on a single construction stage and staggered construction is commonly used. The effects of this staggered construction are not only economical as they might also play an important role in the structural behavior in service. Despite of this importance, these effects are rarely included into the definition of the structural response in service. In order to fill this gap, this paper deals with the effects in service of the staggered erection of steel cable-stayed bridges built on temporary supports. To do so, a criterion based on the minimization of the bending energy in terms of stay forces is applied to several cable-stayed bridges. This study shows the importance of the existence of the pylon-deck connection as well as the number and location of both construction joints and temporary supports during staggered erection.
 
Keywords: cable-stayed bridge, temporary supports, construction joint, optimization, objective service stage.

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