Prague Bypass, section 513, structures SO 223, SO 224 a SO 225, CZ

Prague Bypass, section 513, structures SO 223, SO 224 a SO 225
Three overpasses carrying the local farm road and allow for wild animals to pass the new motorway

REQUIREMENTS
• Replacing the original design of massive insitu arches to lower the cost
• Keeping the exactly same width of the bridge
• Lowering on site risks associated with insitu structure
• Quick solution with minimum impact to site traffic management and close by environment

SOLUTION
• Using arch structure and simple foundation on strips
• To keep the same length using special width of the elements 2,36m
• Using special precast walls with the slope of 1:1,2
• Using spandrel walls of earth reinforced system with facing bricks

  • CLIENT ŘSD ČR (Czech Highway Agency)
  • YEAR 2009
  • INSTALATIONin three phases – January to April 2009, each structure in 5 days incl the wingwalls
  • CONTRACTORAlpine Bau CZ
  • CONSULTANTPragoprojekt a.s., Valbek s.r.o.
  • STRUCTURECM4 52 x 225 twin arch precast system
  • SPAN2 x 16m (clear)
  • HEIGHT8,3m (clear)
  • LENGTH26,2m (11 rings by 2,36m)
  • TAGS