Avançon bridge

 Bex, Switzerland, 2012

  • GFRP-balsa sandwich bridge deck adhesively bonded onto two steel girders
  • Span 11.45 m, width 7.50 m, 65° skew angle
  • Semi-integrated bridge without expansion joints and no separate sealing
  • Replacement of one-lane concrete bridge by new two-lane bridge without increasing total load on old brick abutments
  • Reduction of bridge closure time from 50 days (conventional replacement) to 10 days


GFRP-Balsa Sandwich Bridge Deck: Concept, Design, and Experimental Validation

T. Keller; J. Rothe; J. De Castro; M. Osei-Antwi 

Journal of Composites for Construction. 2014. Vol. 18, num. 2, p. 04013043. DOI : 10.1061/(Asce)Cc.1943-5614.0000423.

Lightweight construction for heavy traffic: bridge composed of balsa wood
Telecast Einstein, broadcast station DRS (Switzerland), January 31, 2013

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