Abstract

In the article, an attempt is made to describe the scale of the problem of the revitalization of railway bridges found on lines no longer in use. The issue of changes in use of historic railway bridges is considered on the example of a bridge in Łęknica built in the years 1897-1898. The described bridge is untypical due to the inverted parabolic truss girders and the placement of 9 spans in a horizontal arch of a small radius. The structural solutions of the railway structure as well as the scope of construction works carried out in an effort to adapt it for pedestrian and cyclist traffic have been presented.

Highlights

  • In the article, an attempt is made to describe the scale of the problem of the revitalization of railway bridges found on lines no longer in use

  • As an effect of these actions, a network of railway lines of great density was created in many regions

  • Near the end of the 80s of the last century, many of these lines within Poland were gradually abandoned, with the existing bridges and overpasses connected with them were left to the uncontrolled effects of time. This was caused by the high costs of maintaining railway traffic and the increased significance of road transport

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Summary

Revitalization of historical railway bridges

The main manager of rail infrastructure in Poland is PKP Polskie Linie Kolejowe S.A. (Polish Railway Lines). Cantilever bridges or truss girders with riveted connections have not been created for many years; they are a reflection of the history of the development of technology and, with time, will vanish from the landscape This is infrastructure which, without due surveillance, is subject to theft, which further accelerates its degradation. Revitalization of abandoned railway lines is a phenomenon raising a lot of interest in Poland over the last years, and selected examples have been described in literature [e.g. 3-5]. Included in such efforts is the Stary Raduszec – Łęknica – Bad Muskau – Weißwasser railway line, which the railway bridge on The Nysa Łużycka River comprises a fragment of. Thanks to https://doi.org/10.10 51/matecconf /201928401003 the international efforts of local governments, using outside financial resources for transborder purposes, it was possible to impede the progressing degradation and carry out the revitalization of the Tuplice – Łęknica – Bad Muskau part

History of the structure
Bridge structure and its technical state
Revitalization of the railway bridge
Findings
Summary

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