Numerical Analysis and Calculation of Internal Forces of Steel Box Continuous Girder Bridge Construction Process

Abstract:

In order to determine the most unfavorable condition of the steel box girder, ensure its stress and deformation in the safe state, the steel box girder bridge should apply the finite element analysis software to modeling analysis. At the same time, data calculation can provide the theoretical evidence for the factory manufacturing lines. The tender DB01 of the continuous bridge of the Hong Kong-Zhuhai-Macao Bridge provides the backdrop for this essay, using MIDAS/Civil 2012 to do numeral simulation analysis on the hoisting, and then analyzing the stress and deformation of the main beam at the different construction stages. The analysis reveals that the temporary maximum of a hinged steel box girder should be 47.5MPa in the process of construction which is allowed by the stress of the steel Q 345.And after the No.1 beam has been put in the right place and connected, the maximum displacement of the No.6 joint is 19.4mm downward. With the construction stage CS7 completed, the maximum downward displacement is 14.2mm. Making the stress free alignment is superposing the minus figure of the cumulative displacement on the basis of designed line. Each beam segment has been made according to the stress free alignment .Also, after field construction, the ideology of designed lines of the bridge will be brought into reality.

• Periodical: Applied Mechanics and Materials (Volumes 578-579)
• Pages: 929-935
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.578-579.929
• Online since: July 2014
• Authors: Ting Liu*, Qian Su, Wen Chao Zhang, Hao Bai
• Keywords: Construction Stage Analysis, Continuous Bridge, Numeral Calculation, Steel Box Girder, Steel Box Girder Continuous Bridge Numeral Calculation Construction Stage Analysis

References

[1] Ministry of Railways. Industry standard of the People's Republic of China: Code for Design of High Speed Railway. TB10020-2009, 2009 (in Chinese).

[2] Ministry of Railways. Industry standard of the People's Republic of China: Passenger dedicated railway track laying without a frantic jumble condition assessment technologies guide (iron construction.

[2006] 158) [R]. Beijing: china railway publishing house, 2006 (in Chinese).

[3] Mou Junjie, Weng Xiaoli. Railway construction technology, 2008, (5), p. 31to37+41 (in Chinese).

[4] ShangJinGuang Zhang Xianzhou. Journal of subgrade engineering, 2011, (3), pp.26-28+32 (in Chinese).

[5] Song Jian, Li Mingling, Zhou Quanneng, et al. Railway standard design, 2010, (02), pp.4-6. (in Chinese).

[6] Li Mingling. Journal of engineering science in China, 2009. (01), pp.48-59. (in Chinese).

[7] Wang Liqin, Jin Baocheng, Yang Youhai, Jia Wenjun. Journal of railway, 2008. (01), pp.43-47. (in Chinese).