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The Parametric Research of Prestressed Concrete Continuous Girder Bridge for High-speed Railway

The Parametric Research of Prestressed Concrete Continuous Girder Bridge for High-speed Railway
Autor(en): ,
Beitrag für IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010, veröffentlicht in , S. 456-457
DOI: 10.2749/222137810796025410
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In this paper, the design parameters of prestressed concrete continuous girder bridge of the frequently used high-speed railway with the ballasted track and non-ballasted track has been studied. Th...
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Bibliografische Angaben

Autor(en):

Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Large Structures and Infrastructures for Environmentally Constrained and Urbanised Areas, Venice, Italy, 22-24 September 2010
Veröffentlicht in:
Seite(n): 456-457 Anzahl der Seiten (im PDF): 7
Seite(n): 456-457
Anzahl der Seiten (im PDF): 7
Jahr: 2010
DOI: 10.2749/222137810796025410
Abstrakt:

In this paper, the design parameters of prestressed concrete continuous girder bridge of the frequently used high-speed railway with the ballasted track and non-ballasted track has been studied. Then, the design conditions of high-speed railway prestressed concrete continuous girder bridges with the ballasted track and the non-ballasted track has been discussed, including secondary permanent loads, temperature mode, the control of stress level, the choice of strength safety factor, elastic deformation under live load and temperature load and the controlled factors of

post-construction creep in non-ballast track beams. Next, based on the study of high-speed railway continuous prestressed concrete bridge with the main span of 56m, 64m, 72m, 80m and 100m, design parameters and the main influential factors of the prestressed concrete continuous girder bridge has been studied. So, these results could provide a basis for the selection comparison and economics of continuous girder bridge in the future.

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