Detection and Evaluation of Ling Bridge in Ningbo

Bo Shan Zhang; Jun Xu

doi:10.4028/www.scientific.net/AMM.744-746.850

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 744-746Detection and Evaluation of Ling Bridge in Ningbo

Detection and Evaluation of Ling Bridge in Ningbo

Abstract:

Ling Bridge in Ningbo, a province-protected historic relic in Zhejiang, is the only three-hinged steel arch bridge existing in China as well as the first modern steel arch bridge co-constructed by Chinese engineers and foreign engineers in 1936. For over 70 years the bridge has served as an important transportation node on urban trunk road, bearing significant traffic pressure. It is necessary to have its status quo detected and its safe use evaluated to sustain normal operation of the bridge. The status assessment of the bridge is conducted in the following aspects: first, visual inspection was applied to check types of existing diseases and to estimate their threat degrees to the bridge; then, spatial linear examination was applied to detect structural deformation and to calculate whether there exists a instability hazard; finally, strength and fatigue calculation was made to determine safety degree of the bridge structure.

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Periodical:

Applied Mechanics and Materials (Volumes 744-746)

Pages:

850-854

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.744-746.850

Citation:

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Online since:

March 2015

Authors:

Bo Shan Zhang*, Jun Xu

Keywords:

Disease, Evaluation, Orthotropic Steel Plate, Steel Arch Bridge

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* - Corresponding Author

References

[1] Ministry of Transport of the People's Republic of China. JTJ 021-89. General specifications for design of highway bridges and culverts. Beijing. Transport Press. 1989 (in Chinese).

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[2] Ministry of Transport of the People's Republic of China. JTJ 025-86. Specifications for Design of Steel Structure and Timber Structure Highway Bridges and Culverts. Beijing. Transport Press. 1986 (in Chinese).

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