• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 28 Issue 4
Jul.  2015
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Article Contents
HAO Niebing, GU Anbang. Construction Control of 500 m Scale Concrete- Filled Steel Tubular Arch Bridge[J]. Journal of Southwest Jiaotong University, 2015, 28(4): 635-640. doi: 10.3969/j.issn.0258-2724.2015.04.010
Citation: HAO Niebing, GU Anbang. Construction Control of 500 m Scale Concrete- Filled Steel Tubular Arch Bridge[J]. Journal of Southwest Jiaotong University, 2015, 28(4): 635-640. doi: 10.3969/j.issn.0258-2724.2015.04.010

Construction Control of 500 m Scale Concrete- Filled Steel Tubular Arch Bridge

doi: 10.3969/j.issn.0258-2724.2015.04.010
  • Received Date: 07 May 2014
  • Publish Date: 25 Aug 2015
  • In order to solve the problems in construction control of 500 m scale concrete-filled steel tubular (CFST) arch bridges, the limitations of the existing construction control methods were analyzed. Based on the mechanical characteristics of the structure in construction process, an adjustable domain method for construction control was proposed, and the corresponding calculation formulas were deduced. From the preponderances of this method and the requirements of arch rib assembling, a line shape control measure for assembling was given. By controlling the line shape, stress and cable force to a certain range and adjusting them only in key construction stages, the adjustable domain method can reduce cable tension adjustment. The proposed method was applied to the Bosideng bridge, the errors of line shape and stress after closure were both within the allowable ranges of JTG/T F502011. The practice shows that the adjustable domain method is reliable for the construction control of 500 m scale CFST arch bridges.

     

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