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Three dimensional modeling for steel-concrete composite bridges using systems of bar elements - Modeling of skewed bridges

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National Technical University of Athens   

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Three dimensional modeling for steel-concrete composite bridges using systems of bar elements - Modeling of skewed bridges (EN)
Adamakos, T (EN)
Vayas, I (EN)
Iliopoulos, A (EN)
journalArticle (EN)
2014-03-01T01:37:28Z
2011 (EN)
A new improved way for modeling steel composite straight bridges has been presented (Vayas, 2009; Vayas, 2010). The proposed model is based on the representation of steel I-girders through the use of equivalent trusses. The concrete slab is suitably represented by a set of bar elements. Diaphragms and stiffeners may also be taken into account. In contrast to the grillage model, which is usually used for the analysis of bridges, the recommended three dimensional model allows for a more reliable prediction of deformations and internal forces. This paper discusses the extension of the model to skewed composite bridges. The presence of skew makes the analysis complicated and for this reason the grillage analysis is not always recommended. Phenomena like differential deflections of the main girders during concreting and lateral displacements of the flanges can be adequately predicted using the proposed model. The new way for modeling composite bridges, using a spatial system of beam-like structural elements, can also be used for stability analysis of skewed bridges. Worked examples are provided to illustrate the set up procedure of the proposed modeling and to compare the different ways of analysis. © KSSC and Springer 2011. (EN)
Construction & Building Technology (EN)
Engineering, Civil (EN)
Skewed composite bridges (EN)
Modal analysis (EN)
Internal forces (EN)
Grillage analysis (EN)
Stability analysis (EN)
Structural elements (EN)
Concrete slabs (EN)
Modeling (EN)
Lateral displacements (EN)
Three-dimensional modeling (EN)
Steel composites (EN)
Composite bridges (EN)
Grillage model (EN)
I-girders (EN)
Bar elements (EN)
Worked examples (EN)
Spatial system (EN)
Three-dimensional model (EN)
Beams and girders (EN)
Steel-concrete composite (EN)
Models (EN)
Buckling analysis (EN)
Skewed bridges (EN)
Three dimensional (EN)
International Journal of Steel Structures (EN)
English
KOREAN SOC STEEL CONSTRUCTION-KSSC (EN)
National Technical University of Athens
Digital Library of National Technical University of Athens | Dspace@NTUA
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
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