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The construction of the girder just above the existing Shinkansen viaduct in urban area

The construction of the girder just above the existing Shinkansen viaduct in urban area
Auteur(s): , , ,
Présenté pendant IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015, publié dans , pp. 158-159
DOI: 10.2749/222137815815774430
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We are now carrying out a project to open new line ""Ueno-Tokyo line'', which connects two radiate railway lines. This line is now under construction just above the in-service Shinkansen line, beca...
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Auteur(s):



Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015
Publié dans:
Page(s): 158-159 Nombre total de pages (du PDF): 6
Page(s): 158-159
Nombre total de pages (du PDF): 6
Année: 2015
DOI: 10.2749/222137815815774430
Abstrait:

We are now carrying out a project to open new line ""Ueno-Tokyo line'', which connects two radiate railway lines. This line is now under construction just above the in-service Shinkansen line, because we couldn't obtain the space for new line in urban area. We applied a viaduct structure with double- deck system, which consisted of a viaduct for the new line added on the existing viaduct for Shinkansen. The construction site was so narrow, that we couldn't get the sufficient space for using a large size crane. Therefore, we specially manufactured a huge movable erection girder, and a push-out method was applied to construct the main girders by using the movable erection girder. We completed all of the girder constructions with high difficulty without any accidents by carrying out elegant design and construction. In this paper, we describe the construction of the girders between piers of new viaduct just above the Shinkansen line.