Installation Technology of Webs in the Construction of PC Box-Girder Bridge with Corrugated Steel Webs

Ya Jiang Du; Bing Wen Yang; Shui Wan

doi:10.4028/www.scientific.net/AMM.204-208.2209

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Installation Technology of Webs in the...

Installation Technology of Webs in the Construction of PC Box-Girder Bridge with Corrugated Steel Webs

Abstract:

In the construction of prestressed concrete(PC) box-girder bridge with corrugated steel webs used cast-in-place cantilever method, the key component-corrugated steel webs are fabricated in factory first and then transported to the construction site. Because of the low out-of plane stiffness, corrugated steel webs are easy to deform in the construction, which brings many difficulties for construction. The precision of installing the corrugated steel web has a direct effect on the cross-section shape of the box-girder. So it is a key step to monitor the orientation and installation of corrugated steel web during construction. Based on the experience of some PC box-girder bridges with corrugated steel webs having been built, a method to control the installation accuracy of corrugated steel webs is proposed and some quality assurance measures are introduced in order to ensure the accuracy, reliability and security of the installation of corrugated steel web. The method can be taken as a reference in the construction of this kind of bridge.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

2209-2213

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.2209

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Online since:

October 2012

Authors:

Ya Jiang Du, Bing Wen Yang, Shui Wan

Keywords:

Cast-in-Place Cantilever Method, Construction Control, Corrugated Steel Web, Orientation and Installation

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References

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