Study of the Effect on Efficiency of External Prestressing and Economy to Box-Girder Bridge with Different Styles of Webs

Jin Song Zhu; Jian Feng Li

doi:10.4028/www.scientific.net/AMM.256-259.1605

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 256-259Study of the Effect on Efficiency of External...

Study of the Effect on Efficiency of External Prestressing and Economy to Box-Girder Bridge with Different Styles of Webs

Abstract:

Prestressed box-girder bridges have been applied in modern bridges widely as the perfect structural performance, the design method and calculation theory of prestressed box-girder bridges have been relatively perfect. The self-weight of box-girder bridges is reduced during the process of development from concrete structure to composite structure. The prestressed efficiency and the economy are also improved, simultaneously. But up to now, the quantitative research of the effect on efficiency of external prestressing to box-girder bridge with different styles of webs is lack. This paper illustrates the effect on efficiency of external prestressing and economy to box-girder bridge with different styles of webs. The results show that the box-girder bridge with corrugated steel webs has the highest prestressed efficiency and the lowest life cycle cost and the best economy.

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Periodical:

Applied Mechanics and Materials (Volumes 256-259)

Pages:

1605-1608

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.256-259.1605

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Online since:

December 2012

Authors:

Jin Song Zhu, Jian Feng Li

Keywords:

Box Girder, Economy, Prestressing Efficiency, Web

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