吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊2): 159-163.

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Calculation on bearing capacity of eccentric compression reinforced concrete short column with circular combined-section

LIU Han-bing1, ZHENG Ji-guang1,2, ZOU Pin-de1   

  1. 1. College of Transportation, Jilin University, Changchun 130022, China;
    2. Jilin Province Transportation and Traffic Research Institute, Changchun 130012, China
  • Received:2010-11-09 Online:2011-09-30 Published:2011-09-30

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Abstract:

Considering of section stress characteristics in different load stages and strain analysis in ultimate state,based on the assumption for neutral axis in the strain figure of core concrete respectively subjected to the first stage and the second stage load,the theoretical formula of ultimate bearing capacity for RC short column with circular combined-section,which core section is subjected to the first stage load and combined-section is subjected to the same directional eccentric second stage load is deduced using integral.The accuracy of this theoretical formula can be satisfy the requirement of engineering compare to the simulation results using Ansys finite element analysis.

Key words: bridge engineering, secondary load, reinforced concrete, column, eccentric compression, bearing capacity calculation

CLC Number: 

  • U443.2


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