Die Renaissance der Fachwerkbrücke
Jorge Bernabeu Larena
Alejandro Barnabeu Larena
|Published in:||Stahlbau, February 2014, n. 2, v. 83|
Revival of trusses in bridges. After Second World War, truss bridges almost disappeared in Western Europe for more than three decades.
However, in the mid-eighties they were recovered due to several technical developments that led to a dual approach. On one hand, Germany recovered composite truss decks for high speed railway bridges. Meanwhile, the evolution of post-tensioning concrete sections with exterior prestress and the lightening of the webs, led in France to a new approach of the truss. As a result, the impact of significant realizations expands the use of truss bridges throughout Europe in the nineties. Finally, in the twenty-first century tubular trusses provide an interior passage through the truss section, offering the experience of entering the structure. Truss girders are very suitable for saving large spans, as well as to explore new cross sections types and new formal and expressive possibilities.
|Keywords:||railway bridge, bridge design, concrete bridge, truss, history of construction, composite bridge construction|
|Available from:||Refer to publisher|
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