Łazienkowski bridge fire in Warsaw – structural damage and restoration method

Henryk Zobel , Wojciech Andrzej Karwowski , Marcin Wróbel , Przemysław Mossakowski

Abstract

On the 14th of February, 2015, a huge fire broke out on Łazienkowski Bridge; a five span bridge, 423 m long and 28 m wide, built in the years 1972-74. It was a fully steel structure with four plate girders and orthotropic deck. The fire started under the first span during the replacement of wooden service decks. The next day, the Department of Bridges of the Warsaw University of Technology was designated to conduct an expertise material investigation, geometrical verification, and FEM model analysis. The subject of this paper concentrates on geometrical issues. The main difficulty of this task was the lack of full reference data regarding the bridge's original structure. The old design was incomplete and there was no actual surveying results for the undamaged structure. As a conclusion, some remarks focused on surveying measurements and on the final decision regarding this bridge are given. It was eventually exchanged into a brand new one and put into public use on the 28th of October, 2015.
Author Henryk Zobel IDM
Henryk Zobel,,
- The Institute of Roads and Bridges
, Wojciech Andrzej Karwowski IDM
Wojciech Andrzej Karwowski,,
- The Institute of Roads and Bridges
, Marcin Wróbel IDM
Marcin Wróbel,,
- The Institute of Roads and Bridges
, Przemysław Mossakowski IDM
Przemysław Mossakowski,,
- The Institute of Roads and Bridges
Journal seriesArchives of Civil Engineering, ISSN 1230-2945
Issue year2016
Vol62
No4/1
Pages171-186
Publication size in sheets0.75
Keywords in Polishpożar, most, pomost ortotropowy, metody geodezyjne, niweleta, pionowość dźwigarów
Keywords in Englishfire, bridge, orthotropic deck, surveying methods, formation line, girder verticality
DOIDOI:10.1515/ace-2015-0104
Languageen angielski
File
11_ZOBEL_ET_AL.pdf 1.4 MB
Score (nominal)15
ScoreMinisterial score = 15.0, 28-11-2017, ArticleFromJournal
Ministerial score (2013-2016) = 15.0, 28-11-2017, ArticleFromJournal
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