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Study of the Longitudinal Pedestal Layout during Beam Prefabrication on Bridge Floor

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Abstract:

A method of prefabricating beam on bridge floor is sometimes employed in mountain difficult terrain. Four forms of longitudinal pedestal layout and three analysis cases obtained by orthogonal analysis method were drawn up, the mechanical behavior of the tool girder were studied by the finite element software and the role of deck pavement for tool girder was discussed. The results show that when the end of pedestal was situated in mid-span, the tool girder will reach the most disadvantageous status. Moreover, reinforced concrete deck pavement not only can improve the stiffness and integrity of the tool girder, but also can effectively decrease internal forces and deformations of the tool girder.

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Periodical:

Applied Mechanics and Materials (Volumes 178-181)

Pages:

2062-2065

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.178-181.2062

Citation:

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Online since:

May 2012

Authors:

Shui Xing Zhou, Ling Ling Li, Wei Zhou, Chang Long Yang

Keywords:

Analysis Cases, Beam Prefabrication on Bridge Floor, Bridge Engineering, Deck Pavement, Pedestal Arrangement, Tool Girder

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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