Two railway bridges on the route Žilina – Krásno at Kysucou, SK

Two railway bridges on the route Žilina – Krásno at Kysucou
ŽSR, modernization of railway route Žilina – Krásno at Kysucou, bridges SO 33 302 and 33 307
Construction of two railway bridges in stages, while maintaining traffic on the second track

REQUIREMENTS
• Open structural solution, with no bottom slab and no dividing walls to interrupt the river flow
• Installation of bridges in stages, to allow continous traffic on the second track
• Eliminating the risk of using in-situ structures and use of temporary bridges
• A fast track solution, based on short-term traffic closures established on short notices

SOLUTION
• Open frame structures, without bottom slab
• Use of precast edge beams and wing-walls, for maximum speed of construction
• Installation of second half bridge in only several hours
• Working on half of the brdige, while traffic continued on the other line

  • CLIENT National Railway Authority
  • YEAR 2009
  • INSTALATIONfirst bridge – 23 to24.07. 2009, second bridge 25 to 26.09.2009
  • CONTRACTORHastra s.r.o. for Skanskou BS a.s.
  • DESIGNERVG projekt s.r.o.
  • STRUCTUREOC 4,0m x 2,9m resp. 5,0 m x 1,8m frame precast system
  • SPAN4,0m resp. 5,0m (internal)
  • HEIGHT2,8m resp.1,7m (internal)
  • LENGTH11,55m (3+3 rings of 1,91m) resp. 10,54m (3+3 rings of 1,74m)
  • TAGS