• 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 20 Issue 3
Jun.  2007
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Article Contents
LI Song, QIANG Shizhong, TANG Ying. Parametric Investigation of Ultimate Bearing Capacity of Reinforced Concrete Arch Bridges[J]. Journal of Southwest Jiaotong University, 2007, 20(3): 293-298.
Citation: LI Song, QIANG Shizhong, TANG Ying. Parametric Investigation of Ultimate Bearing Capacity of Reinforced Concrete Arch Bridges[J]. Journal of Southwest Jiaotong University, 2007, 20(3): 293-298.

Parametric Investigation of Ultimate Bearing Capacity of Reinforced Concrete Arch Bridges

  • Received Date: 06 Nov 2006
  • Publish Date: 25 Jun 2007
  • Based on the collapse theory and a 3D numerical simulation model,the ultimate bearing capacity of reinforced concrete arch ribs was calculated to accurately determine the ultimate bearing capacity of a long-span reinforced concrete arch bridge.In this research,the effects of geometric nonlinearity,material nonlinearity,geometric imperfection,concrete crush,concrete crack and aggregate interlocking were taken into account.The effects of geometric imperfection,cross-section type,load distribution form and raise-to-span ratio on the ultimate bearing capacity were mainly discussed.The results show that the mechanical characters of reinforced concrete have a great effect on the ultimate bearing capacity,the ultimate bearing capacity varies nonlinearly with the initial geometric imperfection,and the relationship between the ultimate bearing capacity and the length to radius ratio of arch rib is a cube curve.

     

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