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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Projects & Construction

Comenius bridge in Jaromer, Czech Republic

< Table of Contents for Projects & Construction
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Projects & Construction
  • Pages: 10
  • Title: Comenius bridge in Jaromer, Czech Republic
  • Author(s): Vladimir Janata, Jindrich Beran, Miloslav Lukes, Jiri Lahodny, Petr Nehasil
  • Keywords: footbridge, beam string structure, tendon, hot dip galvanizing, prestressed steel structure, strain gauge, redistribution of internal forces, sustainability
Abstract
New Comenius Bridge in Jarom・ for pedestrians and cyclists of length 61m and width 4,5m, connects historical centre of the town with the right bank of the river. It was built instead of the original bridge from the year 1886 destroyed by flood in 2013. Sufficient height of level of deck of the bridge above the flood level enabled to realize unusual subtle triangular prestressed beam-string structure with central compressed beam which won the architectural competition. Due to the requirement to refurbish historical abutments the bridge acts as a simple beam on them. Three corner tendons are prestressed to ensure favorable redistribution of internal forces in the structure and to deform the structure opposite to the deflection from vertical loading. The structure is hot-dip galvanized without any additional painting.

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