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LIN Shang-shun, CHEN Bao-chun. Calculation method of ultimate bearing capacity for plain concrete column[J]. Journal of Traffic and Transportation Engineering, 2015, 15(2): 22-31. doi: 10.19818/j.cnki.1671-1637.2015.02.003
Citation: LIN Shang-shun, CHEN Bao-chun. Calculation method of ultimate bearing capacity for plain concrete column[J]. Journal of Traffic and Transportation Engineering, 2015, 15(2): 22-31. doi: 10.19818/j.cnki.1671-1637.2015.02.003
shu

Calculation method of ultimate bearing capacity for plain concrete column

doi: 10.19818/j.cnki.1671-1637.2015.02.003
  • 1.

    School of Civil Engineering, Fujian University of Technology, Fuzhou 350118, Fujian, China

  • 2.

    School of Civil Engineering, Fuzhou University, Fuzhou 350116, Fujian, China

More Information
  • Author Bio:

    LIN Shang-shun(1972-), male, senior engineer, doctoral student, +86-591-83530205, 578982122@qq.com

    TANG Tao(1963-), male, professor, PhD, +86-10-51467246, ttang@bjtu.edu.cn

  • Received Date: 2014-10-20
  • Publish Date: 2015-02-25
    Abstract
  • The tests of ultimate bearing capacity for 19 plain concrete columns were carried out.The reasonable scopes of slenderness and eccentricity of plain concrete columns were proposed.The bearing capacities of test columns were calculated by nonlinear finite element method.A calculation method of ultimate bearing capacity for plain concrete column was presented by theoretical analysis and regression of test data.Calculation result shows that when the slendernesses of test columns are higher than 15 and the eccentricities are 0.3, their failure modes are section tensile failure, which can not play full material performance of compression.When the slendernesses are not higher than 15 and the eccentricities are not higher than 0.3, their failure modes are section compression failure.The mean ratio of calculated values by the finite element method to test values is 0.995, the variance is 0.001 8, so the calculated value fits well with test value, and the finite element method can be used for the parameter analysis of plain concrete column.Based on considering the coupling influence of slenderness and eccentricity on bearing capacity, in the proposed calculation method of ultimate bearing capacity, the mean ratio of calculated values by the proposed method and the finite element method is 0.976, the variance is0.003, which indicates that the proposed method has high precision and high safety.

     

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