ANALYSIS OF SAFETY PERFORMANCE OF CORRODED STEEL BOX BEAM OF QINGDAO BAY BRIDGE

J Chin Soc Corr Pro

2012, Vol. 32

Issue (4): 353-356 DOI:

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ANALYSIS OF SAFETY PERFORMANCE OF CORRODED STEEL BOX BEAM OF QINGDAO BAY BRIDGE

ZHANG Bo¹, SHAO Xinpeng², DONG Caichang¹, YU Kun³

1. Qingdao Research Institute for Marine Corrosion, Central Institute for Iron and Steel, Qingdao 266071
2. Shandong Hi-Speed Qingdao Expressway Co. Ltd, Qingdao 266061
3. Shandong Provincial Communications Planning and Design Institute, Jinan 250031

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Abstract Based on exposure corrosion test data of steel materials and coatings in Qingdao marine environment, the corrosion of Qingdao bay bridge was predicted. Combined with analysis of stress state, the safety performance of corroded steel box beam was analyzed. The results showed that the stress value of steel box beam upper and lower edge were all within allowable range using for 50 years. Even if considered stress values of the second and the third states (approximately 50 MPa), the safety performance of steel box beam also met relevant requirements.

Key words: Qingdao bay bridge steel box beam corrosion, safety performance

Received: 13 July 2011

ZTFLH:

TG172.3

Corresponding Authors: DONG Caichang E-mail: cengmeng80@163.com

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Cite this article:

ZHANG Bo, SHAO Xinpeng, DONG Caichang, YU Kun. ANALYSIS OF SAFETY PERFORMANCE OF CORRODED STEEL BOX BEAM OF QINGDAO BAY BRIDGE. J Chin Soc Corr Pro, 2012, 32(4): 353-356.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2012/V32/I4/353

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